diff --git "a/train01.json" "b/train01.json"
deleted file mode 100644--- "a/train01.json"
+++ /dev/null
@@ -1,3523 +0,0 @@
-[
-  {
-    "sen1": "1. It isn’t necessary to finish the work today. ",
-    "sen2": "1. You don’t have to finish the work today"
-  },
-  {
-    "sen1": "2. Sally finally managed to get a job. ",
-    "sen2": "2. Sally finally succeeded in getting the job"
-  },
-  {
-    "sen1": "3. That’s the last time I go to that restaurant. ",
-    "sen2": "3. I certainly will never go to that restaurant"
-  },
-  {
-    "sen1": "4. “I advised you to take a holiday” The doctor said. ",
-    "sen2": "4. “You’d better take a holiday” - the doctor said"
-  },
-  {
-    "sen1": "5. If you don’t rest your self you really will be ill. ",
-    "sen2": "5. Unless you rest yourself, you really will be ill"
-  },
-  {
-    "sen1": "6. The doctor told him that he worked too hard. ",
-    "sen2": "6. “You work too hard” - the doctor said to him"
-  },
-  {
-    "sen1": "7. Those pictures are beautiful. ",
-    "sen2": "7. How beautiful those pictures are"
-  },
-  {
-    "sen1": "8. It was an interesting film. ",
-    "sen2": "8. What an interesting film!"
-  },
-  {
-    "sen1": "9. What’s the weight of your suitcase?",
-    "sen2": "9. How heavy is your suitcase?"
-  },
-  {
-    "sen1": "10. How tall is Peter?",
-    "sen2": "10. What is the height of Peter?"
-  },
-  {
-    "sen1": "1. We arrived too late to see the first film. ",
-    "sen2": "1. We didn’t arrive early enough to see the first film"
-  },
-  {
-    "sen1": "2. “I’m sorry that I broke the glass” said Peter. ",
-    "sen2": "2. Peter apologized for breaking the glass"
-  },
-  {
-    "sen1": "3. I was downing, but he saved me. ",
-    "sen2": "3. If he hadn’t saved me, I would have been downing"
-  },
-  {
-    "sen1": "4. Sally is the cleverest student in the class. ",
-    "sen2": "4. Nobody is cleverer than Sally in the class"
-  },
-  {
-    "sen1": "5. I have never read such a romantic story before. ",
-    "sen2": "5. This is the most romantic story I have ever read"
-  },
-  {
-    "sen1": "6. We can’t afford to buy the car. ",
-    "sen2": "6. The car is too expensive for me to buy"
-  },
-  {
-    "sen1": "7. His parents made him study hard for the exams. ",
-    "sen2": "7. He was made to study hard for the exams"
-  },
-  {
-    "sen1": "8. We started cooking for the party four hours ago. ",
-    "sen2": "8. We have been cooking for the party for four hours"
-  },
-  {
-    "sen1": "9. He has never behaved so violent before. ",
-    "sen2": "9. He is behaving more violently than ever before"
-  },
-  {
-    "sen1": "10. We couldn’t get nearer because of the police. ",
-    "sen2": "10. The police prevented us from getting nearer"
-  },
-  {
-    "sen1": "1. Somebody repaired her car yesterday. ",
-    "sen2": "1. She had her car repaired yesterday"
-  },
-  {
-    "sen1": "2. You must see the manager tomorrow morning. ",
-    "sen2": "2. You’ve got to see the manager tomorrow morning"
-  },
-  {
-    "sen1": "3. I’ve warned you not to go near the dog. ",
-    "sen2": "3. I’ve warned you about going near the dog"
-  },
-  {
-    "sen1": "4. She can meet him if he arrives before eleven. ",
-    "sen2": "4. So long as he arrives before eleven, she can meet him"
-  },
-  {
-    "sen1": "5. There was never any answer when I rang. ",
-    "sen2": "5. Every time I rang, there was not any answer. "
-  },
-  {
-    "sen1": "6. She knows more about it than I do. ",
-    "sen2": "6. I don’t know as much about it as she does"
-  },
-  {
-    "sen1": "7. Although he had a good salary, he was unhappy in his job. ",
-    "sen2": "7. In spite of having a good salary, he was unhappy in his job"
-  },
-  {
-    "sen1": "8. He prefers golf to tennis. ",
-    "sen2": "8. He’d rather play golf than tennis"
-  },
-  {
-    "sen1": "9. The garden still needs digging. ",
-    "sen2": "9. The garden hasn’t been dug yet"
-  },
-  {
-    "sen1": "10. Susan felt sick, because she ate four cream cakes. ",
-    "sen2": "10. If Susan hadn’t eaten four cream cakes, she wouldn’t’ t have felt sick"
-  },
-  {
-    "sen1": "1. She couldn’t afford to buy the car. ",
-    "sen2": "1. The car is too expensive for her to buy"
-  },
-  {
-    "sen1": "2. She didn’t say a word as she left the room. ",
-    "sen2": "2. She left the room without saying a word"
-  },
-  {
-    "sen1": "3. They think the owner of the house is abroad. ",
-    "sen2": "3. The owner of the house is thought to be abroad"
-  },
-  {
-    "sen1": "4. You remembered to post the letter, didn’t you?",
-    "sen2": "4. You didn’t forget to post the letter, did you?"
-  },
-  {
-    "sen1": "5. Speaking English fluently is not easy. ",
-    "sen2": "5. It is not easy to speak English"
-  },
-  {
-    "sen1": "6. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "6. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "7. She asked John how he liked her new dress. ",
-    "sen2": "7. “How do you like my new dress, John?”, she asked"
-  },
-  {
-    "sen1": "8. A train leaves at eight o’clock every morning. ",
-    "sen2": "8. There is a train leaving ay 8 o’clock every morning"
-  },
-  {
-    "sen1": "9. Nobody can deny that she has a beautiful voice. ",
-    "sen2": "9. It can’t be denied that she has a beautiful voice"
-  },
-  {
-    "sen1": "10. I would like you to help me to put the chair away. ",
-    "sen2": "10. Do you mind helping me to put the chair away?"
-  },
-  {
-    "sen1": "1. Reading scientific books is one of my interests. ",
-    "sen2": "1. I’m interested in reading scientific books"
-  },
-  {
-    "sen1": "2. Unless he phones her immediately, he won’t get any information. ",
-    "sen2": "2. If he doesn’t phone her immediately, he won’t get any information"
-  },
-  {
-    "sen1": "3. The garage is going to repair the car for us next week. ",
-    "sen2": "3. We are going to have the car repaired by the garage next week"
-  },
-  {
-    "sen1": "4. The news was wonderful that she decided to have a celebration. ",
-    "sen2": "4. It was such the wonderful news that she decided to have a celebration"
-  },
-  {
-    "sen1": "5. It’s very difficult to leave here after such a long time. ",
-    "sen2": "5. It isn’t easy to leave here after such a long time"
-  },
-  {
-    "sen1": "6. I always see him working in the garden on Sundays. ",
-    "sen2": "6. He takes every Sundays to work in the garden"
-  },
-  {
-    "sen1": "7. 18 people came although we had expected only 16. ",
-    "sen2": "7. Two extra people came although we had expected only 16. "
-  },
-  {
-    "sen1": "8. Jerry’s salary as an accountant is two thousand dollars a month. ",
-    "sen2": "8. Jerry makes two thousand dollars a month as an accountant"
-  },
-  {
-    "sen1": "9. We need a week to think about it. ",
-    "sen2": "9. We need to think about it for a week"
-  },
-  {
-    "sen1": "10. The owners of newspapers are usually very rich. ",
-    "sen2": "10. The people who owes newspapers are usually very rich"
-  },
-  {
-    "sen1": "1. She and I have never been there before. ",
-    "sen2": "1. Neither she nor I have been there before"
-  },
-  {
-    "sen1": "2. It was such a good weather that we went swimming. ",
-    "sen2": "2. The weather was so good that we went swimming"
-  },
-  {
-    "sen1": "3. I can’t see that far. ",
-    "sen2": "3. It is too far for me to see"
-  },
-  {
-    "sen1": "4. I have never been to the ballet before. ",
-    "sen2": "4. It is the first time I have been to the ballet"
-  },
-  {
-    "sen1": "5. John doesn’t always speak the truth, I’m afraid. ",
-    "sen2": "5. You can’t believe that John always speaks the truth"
-  },
-  {
-    "sen1": "6. Why don’t you put your luggage under the seat? He asked. ",
-    "sen2": "6. He suggested I should put my luggage under the seat"
-  },
-  {
-    "sen1": "7. The restaurant is so dirty that no one wants to eat there. ",
-    "sen2": "7. It is such a dirty restaurant that no one wants to eat there"
-  },
-  {
-    "sen1": "8. I’m always nervous when I face a lot of people. ",
-    "sen2": "8. Facing a lot of people always makes me nervous"
-  },
-  {
-    "sen1": "9. Apples are usually cheaper than oranges. ",
-    "sen2": "9. Apples are not as expensive as oranges"
-  },
-  {
-    "sen1": "10. You can’t visitMoscowunless you get a visa. ",
-    "sen2": "10. If you don’t get a visa, you can’t visit Moscow"
-  },
-  {
-    "sen1": "1. John smoked cigarettes when he was a young man. ",
-    "sen2": "1. John used to smoke cigarettes when he was a young man"
-  },
-  {
-    "sen1": "2. “Hand your books to me when you have finished, please. ”",
-    "sen2": "2. He asked me to hand my books to him when I had finished. "
-  },
-  {
-    "sen1": "3. In countries likeBritainthe weather changes all the time. ",
-    "sen2": "3. In countries likeBritain, the weather is very changeable"
-  },
-  {
-    "sen1": "4. You do not have to pay for secondary education inBritain. ",
-    "sen2": "4. Secondary education is free inBritain"
-  },
-  {
-    "sen1": "5. He had a weak heart which meant he couldn’t walk very far. ",
-    "sen2": "5. His heart was so weak that he couldn’t walk very far"
-  },
-  {
-    "sen1": "6. Unless he phones immediately he won’t get information. ",
-    "sen2": "6. If he doesn’t phone immediately, he won’t get any information"
-  },
-  {
-    "sen1": "7. How long is it since they bought the house?",
-    "sen2": "7. When did they buy the house?"
-  },
-  {
-    "sen1": "8. He couldn’t repair the broken vase. ",
-    "sen2": "8. The broken vase couldn’t be repaired by him"
-  },
-  {
-    "sen1": "9. The garden still needs digging. ",
-    "sen2": "9. The garden hasn’t been dug yet"
-  },
-  {
-    "sen1": "10. Have you had a cheaper carpet than this?",
-    "sen2": "10. Is this the cheapest carpet have you had?"
-  },
-  {
-    "sen1": "1. When I was younger I used to go climbing more than I do now. ",
-    "sen2": "1. Now I do not go climbing as much as I used to when I was younger"
-  },
-  {
-    "sen1": "2. Englandno longer had dreadful fogs. ",
-    "sen2": "2. There used to be dreadful dogs inEngland"
-  },
-  {
-    "sen1": "3. It is years since we decorated the room. ",
-    "sen2": "3. We haven’t decorated the room for years"
-  },
-  {
-    "sen1": "4. By the time we arrive the other guests will have already started dinner. ",
-    "sen2": "4. The other guests will start dinner before we arrive. "
-  },
-  {
-    "sen1": "5. I would like the school holidays to be longer. ",
-    "sen2": "5. I wish the school holidays were longer"
-  },
-  {
-    "sen1": "6. John is not old enough to join the club. ",
-    "sen2": "6. John is too young to join the club"
-  },
-  {
-    "sen1": "7. He is to blame for his mistakes. This is very necessary. ",
-    "sen2": "7. It is very necessary for him to be to blame for his mistakes. "
-  },
-  {
-    "sen1": "8. He must pass his intermediate level English examination. That was obligatory. ",
-    "sen2": "8. It was obligatory for him to pass his intermediate level English examination"
-  },
-  {
-    "sen1": "9. The mother came and lived with them to take care of their children. That was their-   request. ",
-    "sen2": "9. It was their request that the mother came and lived with them to take care of their children"
-  },
-  {
-    "sen1": "10. Isabel: “You can’t borrow my pen, Robert”. ",
-    "sen2": "10. Isabel deny lending Robert her pen"
-  },
-  {
-    "sen1": "11. You lied to him, which was wrong. ",
-    "sen2": "11. You were wrong to lie to him"
-  },
-  {
-    "sen1": "1. I wouldn’t do anything for you. ",
-    "sen2": "1. There’s nothing I would not do for you"
-  },
-  {
-    "sen1": "2. Yogurt is supposed to be good for you. ",
-    "sen2": "2. Yogurt is supposed to do good for you"
-  },
-  {
-    "sen1": "3. Is it essential to meet your aunt at the station?",
-    "sen2": "3. Does your aunt have to be met at the station?"
-  },
-  {
-    "sen1": "4. Even though I admire his courage, I think he is foolish. ",
-    "sen2": "4. Much as I admire his courage, I think he is foolish"
-  },
-  {
-    "sen1": "5. Given fair warning, I could have avoided that date. ",
-    "sen2": "5. If you had told me in advance, I could have avoided that date"
-  },
-  {
-    "sen1": "6. Please don’t say things like that. ",
-    "sen2": "6. I wish you didn’t say things like that"
-  },
-  {
-    "sen1": "8. It would have been a superb weekend if it hadn’t been for the weather. ",
-    "sen2": "8. But for the weather, it would have been a superb weekend"
-  },
-  {
-    "sen1": "9. Dogs can swim better than cats can. ",
-    "sen2": "9. Cats can not swim as well as dogs can. "
-  },
-  {
-    "sen1": "10. She hasn’t been to the hair dresser for three months. ",
-    "sen2": "10. It’s three months since she went to the hairdresser"
-  },
-  {
-    "sen1": "11. There’s a spare bed in David’s room. ",
-    "sen2": "11. David’s room has a spare bed. "
-  },
-  {
-    "sen1": "1. I can’t get my feet into these shoes. ",
-    "sen2": "1. These shoes are too small for me to get my feet into"
-  },
-  {
-    "sen1": "2. I am very pleased that we shall meet again soon. ",
-    "sen2": "2. I’m looking forward to meeting again soon"
-  },
-  {
-    "sen1": "3. “Keep away from this area” said the security guard, when approached the fence. ",
-    "sen2": "3. The security guard told me to keep away from this area"
-  },
-  {
-    "sen1": "4. I’ve never met such a famous person before. ",
-    "sen2": "4. It is the first time I met such a famous person"
-  },
-  {
-    "sen1": "5. This pudding can be cooked in its tin. ",
-    "sen2": "5. You don’t have to put this pudding out of its tin to cook it. "
-  },
-  {
-    "sen1": "6. They thought that he was waiting for a message. ",
-    "sen2": "6. He was thought to have been waiting for a message"
-  },
-  {
-    "sen1": "7. He couldn’t drive his car because he has no driving license. ",
-    "sen2": "7. If he had driving license, he could drive his car"
-  },
-  {
-    "sen1": "8. He found out the key which he lost a long time ago. ",
-    "sen2": "8. The key which he lost a long tine ago was found out by him"
-  },
-  {
-    "sen1": "9. Nothing could be done to help him. ",
-    "sen2": "9. They could not do anything to help him"
-  },
-  {
-    "sen1": "10. He was accustomed to stay up late. ",
-    "sen2": "10. He used to stay up late"
-  },
-  {
-    "sen1": "1. Someone stole my purse from my handbag. ",
-    "sen2": "1. My purse was stolen from my handbag"
-  },
-  {
-    "sen1": "2. She asked John to repeat what he has said. ",
-    "sen2": "2. “Please repeat what you have said”, she told John"
-  },
-  {
-    "sen1": "3. It is a pity you didn’t tell us about this. ",
-    "sen2": "3. I wish you had told us about this"
-  },
-  {
-    "sen1": "4. We couldn’t go out because the weather was so bad. ",
-    "sen2": "4. It was such the bad weather that we couldn’t go out"
-  },
-  {
-    "sen1": "5. “Keep away from this area” said the security guard when we approached the fence.      ",
-    "sen2": "5. The security guard told me to keep away from this area"
-  },
-  {
-    "sen1": "6. He could repair the broken vase. ",
-    "sen2": "6. The broken vase couldn’t be repaired"
-  },
-  {
-    "sen1": "7. He is sorry now that he didn’t invite us to the party. ",
-    "sen2": "7. He wishes he had invited us to the party"
-  },
-  {
-    "sen1": "8. Although he had a good salary. He was unhappy in his job. ",
-    "sen2": "8. Despite having a good salary, he was unhappy in his job"
-  },
-  {
-    "sen1": "9. He couldn’t afford to buy the car. ",
-    "sen2": "9. He wasn’t rich enough to buy the car"
-  },
-  {
-    "sen1": "10. Couldn’t you have got a bus to the station?",
-    "sen2": "10. Wasn’t it possible to get a bus to the station?"
-  },
-  {
-    "sen1": "1. Jane is a brilliant swimmer. She presentedBritainin the Olympic Games. ",
-    "sen2": "1. Jane, who is a brilliant swimmer, presentedBritainin the Olympic games"
-  },
-  {
-    "sen1": "2. The girl living next-door to me is getting married next year. ",
-    "sen2": "2. The girl that lives next-door to me is getting married next year"
-  },
-  {
-    "sen1": "3. This mountain is high; we can’t climb it. ",
-    "sen2": "3. This mountain is too high for us to climb. "
-  },
-  {
-    "sen1": "4. Are you very tall? Can you reach that picture?",
-    "sen2": "4. Are you tall enough to reach that picture?"
-  },
-  {
-    "sen1": "5. A donkey is less beautiful than a horse. ",
-    "sen2": "5. A donkey is not as beautiful as a horse"
-  },
-  {
-    "sen1": "6. She doesn’t usually stay up late. ",
-    "sen2": "6. She’s not used to staying up late"
-  },
-  {
-    "sen1": "7. I f I were you, I’d look for another job. ",
-    "sen2": "7. I suggested you should look for another job"
-  },
-  {
-    "sen1": "8. He lost his money simply he wasn’t careful. ",
-    "sen2": "8. If he had been careful, he would not have lost his money"
-  },
-  {
-    "sen1": "9. They last visited me five years ago. ",
-    "sen2": "9. They haven’t visited me for five years"
-  },
-  {
-    "sen1": "10. All his suits were made inParis. ",
-    "sen2": "10. He had all his suits made in Paris"
-  },
-  {
-    "sen1": "1. I saw him come out of the house. ",
-    "sen2": "1. He was seen to come out of the house by me"
-  },
-  {
-    "sen1": "2. I haven’t had much money; I can’t buy any new clothes. ",
-    "sen2": "2. If only I had much money to buy some new clothes"
-  },
-  {
-    "sen1": "3. She was believed to have taken part in revolutionary activities. ",
-    "sen2": "3. It was believed that she took part in revolutionary activities"
-  },
-  {
-    "sen1": "4. In a few countries, the whole population only enjoys a reasonable standard of living.                                                                                                      Only . . . . . . . . . ",
-    "sen2": "4. Only a reasonable standard of living is enjoyed by the whole population is a few countries"
-  },
-  {
-    "sen1": "5. We went out in spite of the rain. ",
-    "sen2": "5. Although it rained, we went out"
-  },
-  {
-    "sen1": "6. Mr. John would rather watch TV than go to the cinema. ",
-    "sen2": "6. Mr. John prefers watching TV to going to the cinema"
-  },
-  {
-    "sen1": "7. It was impossible to work in that condition. ",
-    "sen2": "7. Working in that condition was impossible"
-  },
-  {
-    "sen1": "8. Frank is very good at tennis. ",
-    "sen2": "8. Frank plays tennis very well"
-  },
-  {
-    "sen1": "9. I’m sorry. I couldn’t help him",
-    "sen2": "9. I wish I could help him"
-  },
-  {
-    "sen1": "10. Speaking English fluently is not easy. ",
-    "sen2": "10. It is not easy to speak English fluently"
-  },
-  {
-    "sen1": "1. This is too hard a question for her to answer. ",
-    "sen2": "1. The question is too hard for her to answer"
-  },
-  {
-    "sen1": "2. Since she was not certain of the way, she asked the policeman. ",
-    "sen2": "2. Not being certain of the way, she asked the policeman"
-  },
-  {
-    "sen1": "3. She wanted to know if he had studied French. ",
-    "sen2": "3. She asked him “Have you studied French?”"
-  },
-  {
-    "sen1": "4. I’m sorry that I didn’t study French last year. ",
-    "sen2": "4. I wish I had studied French last year"
-  },
-  {
-    "sen1": "5. The children will go swimming if it is sunny. ",
-    "sen2": "5. Unless it isn’t sunny, the children will go swimming"
-  },
-  {
-    "sen1": "6. “Bring your swimming things in case it is rainy. ",
-    "sen2": "6. He told me to bring my swimming things in case it was sunny"
-  },
-  {
-    "sen1": "7. There’s no need for you to talk so loudly. ",
-    "sen2": "7. You don’t have to talk so loudly"
-  },
-  {
-    "sen1": "8. I haven’t been toBristolfor three years. ",
-    "sen2": "8. The last time I went toBristolwas three years ago"
-  },
-  {
-    "sen1": "9. No one has signed this cheque. ",
-    "sen2": "9. This cheque hasn’t been signed"
-  },
-  {
-    "sen1": "10. Tim will be eighteen next week. ",
-    "sen2": "10. It’s Tim eighteenth birthday next week"
-  },
-  {
-    "sen1": "1. Her grief was so great that she almost fainted. ",
-    "sen2": "1. So great was her grief that she almost fainted"
-  },
-  {
-    "sen1": "2. You can leave only when I tell you. ",
-    "sen2": "2. Until I tell you can’t you leave"
-  },
-  {
-    "sen1": "3. She prefers Italian food to French food. ",
-    "sen2": "3. She’d rather eat Italian food than French food"
-  },
-  {
-    "sen1": "4. Sarah is better at Chemistry than Susan. ",
-    "sen2": "4. Susan is not as good at Chemistry as Sarah"
-  },
-  {
-    "sen1": "5. When’s John and Mary’s wedding?",
-    "sen2": "5. When are John and Mary married?"
-  },
-  {
-    "sen1": "6. Most people understand him when he speaks English. ",
-    "sen2": "6. He can make people understand when he speaks English"
-  },
-  {
-    "sen1": "7. Tom is sorry he didn’t watch the football match last night. ",
-    "sen2": "7. Tom wishes he had watched the football match last night"
-  },
-  {
-    "sen1": "8. The test we did yesterday was so difficult that we couldn’t finish it in two hours.    ",
-    "sen2": "8. Yesterday we did such a difficult test that we couldn’t finish it in 2 hours"
-  },
-  {
-    "sen1": "9. “How many students are there in your class?”",
-    "sen2": "9. The man asked me how many students there were in my class"
-  },
-  {
-    "sen1": "10. She is listening to the radio. She turned it off at seven- thirty. ",
-    "sen2": "10. She has been listening to the radio before seven-thirty"
-  },
-  {
-    "sen1": "11. You should take science appreciation courses at school. ",
-    "sen2": "11. The lady-researcher advised us to take science appreciation courses at school"
-  },
-  {
-    "sen1": "1. You have to pay taxes or go to prison. ",
-    "sen2": "1. Falling to pay taxes, you may go to prison"
-  },
-  {
-    "sen1": "2. The work completely failed and everyone was surprised. ",
-    "sen2": "2. To everybody’s surprise, the work completely failed"
-  },
-  {
-    "sen1": "3. The poor farmer was tired but he kept working. ",
-    "sen2": "3. In spite of being tired, the poor farmer kept working"
-  },
-  {
-    "sen1": "4. This is the sad news you have brought. ",
-    "sen2": "4. What the sad news you have brought"
-  },
-  {
-    "sen1": "5. She may be innocent. I don’t know that. ",
-    "sen2": "5. I do not know whether she is innocent or not"
-  },
-  {
-    "sen1": "6. They will catch all the prisoners again tonight. ",
-    "sen2": "6. All the prisoners will be caught again tonight"
-  },
-  {
-    "sen1": "7. Joanne doesn’t like to read her stories. ",
-    "sen2": "7. Joanne isn’t interested in reading stories"
-  },
-  {
-    "sen1": "8. No, please don’t tell him. ",
-    "sen2": "8. I’d rather you didn’t tell him"
-  },
-  {
-    "sen1": "9. Why don’t you ask her yourself?",
-    "sen2": "9. I suggest you should ask her yourself. "
-  },
-  {
-    "sen1": "10. An up- to - date visa is necessary forAndorra. ",
-    "sen2": "10. You’ll need to get an up-to-date visa forAndorra"
-  },
-  {
-    "sen1": "1. Joan eats very little so as not to put on weight. ",
-    "sen2": "1. Joan eats very little because she doesn’t want to put on weight"
-  },
-  {
-    "sen1": "2. She rarely met such a beautiful film star. ",
-    "sen2": "2. Rarely did she meet such a beautiful film star"
-  },
-  {
-    "sen1": "3. Though he was poor, he wasn’t always unhappy. ",
-    "sen2": "3. Despite being poor, he wasn’t always unhappy"
-  },
-  {
-    "sen1": "4. She can’t ask intelligent questions. She can’t profit from listening to her colleagues.  ",
-    "sen2": "4. She can’t neither ask intelligent questions nor profit from listening to her colleagues"
-  },
-  {
-    "sen1": "5. She spoke English very carefully. He spoke very clearly. ",
-    "sen2": "5. He not only spoke English very carefully but also very clearly"
-  },
-  {
-    "sen1": "6. Gravity makes balls thrown into the air fall back down. ",
-    "sen2": "6. If there weren’t gravity, balls thrown into the air would fall back down"
-  },
-  {
-    "sen1": "7. Because Faraday’s father was very poor, he couldn’t send Faraday to school. ",
-    "sen2": "7. Faraday’s father was too poor to send him to school"
-  },
-  {
-    "sen1": "8. It is such a boring book that nobody likes it. ",
-    "sen2": "8. The book is so boring that nobody likes it"
-  },
-  {
-    "sen1": "9. They were so strong that they could lift the rock. ",
-    "sen2": "9. They were such strong people that they could lift the rock"
-  },
-  {
-    "sen1": "10. I can’t play tennis as well as my brother does. ",
-    "sen2": "10. My brother plays tennis better than I do"
-  },
-  {
-    "sen1": "1. Jim didn’t lend me any money, so I was unable to buy a car. ",
-    "sen2": "1. If Jim had lent me some money, I would have been able to buy a car"
-  },
-  {
-    "sen1": "2. On arrival at the shop, the goods are inspected carefully. ",
-    "sen2": "2. When arriving at the shop, the goods are inspected carefully"
-  },
-  {
-    "sen1": "3. Laurence hasn’t seen her sister since she left forJapan. ",
-    "sen2": "3. Laurence last saw her sister when she left forJapan"
-  },
-  {
-    "sen1": "4. Peter said he didn’t feel well. ",
-    "sen2": "4. Peter said, “I don’t not fell well”"
-  },
-  {
-    "sen1": "5. John is fat because she eats so many chips. ",
-    "sen2": "5. If John did not eat so many chips, he would not be fat"
-  },
-  {
-    "sen1": "6. John is fat because she eats so many chips. ",
-    "sen2": "6. If John did not eat so many chips, he would not be fat"
-  },
-  {
-    "sen1": "7. Collecting dolls from foreign countries is one of Jane’s interests. ",
-    "sen2": "7. Jane is interested in collecting stamps"
-  },
-  {
-    "sen1": "8. George doesn’t nearly as energetic as he used to be. ",
-    "sen2": "8. George used to be more energetic"
-  },
-  {
-    "sen1": "9. If he doesn’t change his ways, he will end up in prisons. ",
-    "sen2": "9. Unless he changes his way, he will end up in prisons"
-  },
-  {
-    "sen1": "10. He didn’t do his homework, so he got bad marks today. ",
-    "sen2": "10. If he had done his homework, he would not have got bad marks today"
-  },
-  {
-    "sen1": "1. The ship was not surrendered until it was half burnt. ",
-    "sen2": "1. Before the ship was half burnt, it had not been surrendered"
-  },
-  {
-    "sen1": "2. The weather forecast was inaccurate, so we didn’t take the right precaution.                             ",
-    "sen2": "2. Had the weather forecast been accurate, we would have taken the right precaution"
-  },
-  {
-    "sen1": "3. The temperature didn’t fall below zero last night, so the crops weren’t damaged.             ",
-    "sen2": "3. If the temperature had fallen below zero last night, the crops would have been damaged"
-  },
-  {
-    "sen1": "4. Though I am poor, I’ll not serve a villain. ",
-    "sen2": "4. Poor as I am, I’ll not serve a villain"
-  },
-  {
-    "sen1": "5. Although I pay him much, this man is never satisfied. ",
-    "sen2": "5. However much I pay this man, he is never satisfied"
-  },
-  {
-    "sen1": "6. The mangoes are so cheap that they can not be good. ",
-    "sen2": "6. Since the mangoes are cheap, they can not be good"
-  },
-  {
-    "sen1": "7. You must speak slowly or he will not be able to understand you. ",
-    "sen2": "7. Unless you speak slowly, he will not able to understand you"
-  },
-  {
-    "sen1": "8. John always spoke to his lawyer before signing the contract. ",
-    "sen2": "8. John didn’t sign the contract without speaking to his lawyer"
-  },
-  {
-    "sen1": "9. Jane is the tallest girl in her class. ",
-    "sen2": "9. Nobody in Jane’s class is taller than her"
-  },
-  {
-    "sen1": "10. My suit needs cleaning before I go to the party. ",
-    "sen2": "10. I need to clean my suit before I go to the party"
-  },
-  {
-    "sen1": "1. Did they build the garage at the same as the house?",
-    "sen2": "1. Was the garage built at the same as the house?"
-  },
-  {
-    "sen1": "2. The people who were at the meeting will say nothing to the press. ",
-    "sen2": "2. Nobody who was at the meeting will say to the press"
-  },
-  {
-    "sen1": "3. The heavy rain made it impossible for us to have a picnic. ",
-    "sen2": "3. We were impossible to have a picnic because of the heavy rain"
-  },
-  {
-    "sen1": "4. Joan will stay on at school unless she finds a job before September. ",
-    "sen2": "4. If she doesn’t find a job before September, Joan will stay on at school"
-  },
-  {
-    "sen1": "5. I don’t really want to go out tonight. ",
-    "sen2": "5. I’d rather not go out tonight"
-  },
-  {
-    "sen1": "6. Shirley didn’t begin to read until she was eight. ",
-    "sen2": "6. It wasn’t until she was eight that Shirley began to read"
-  },
-  {
-    "sen1": "7. Lucy hasn’t worn that dress since Barbara’s wedding. ",
-    "sen2": "7. The last time Lucy worn that dress was at Barbara’s wedding"
-  },
-  {
-    "sen1": "8. Let’s go abroad for our holiday this year. ",
-    "sen2": "8. Why don’t we go abroad for our holiday this year?"
-  },
-  {
-    "sen1": "9. He is such a slowly speaker that his students get very bored. ",
-    "sen2": "9. He speaks so slowly that his students get very bored"
-  },
-  {
-    "sen1": "10. Mackenzie wrote four best-sellers before he was twenty. ",
-    "sen2": "10. By the age of twenty, Mackenzie had written four best-sellers"
-  },
-  {
-    "sen1": "1. She asked John how he liked her new dress. ",
-    "sen2": "1. “How do you like my new dress?” - She asked John"
-  },
-  {
-    "sen1": "2. A train leaves at eight every morning. ",
-    "sen2": "2. There is a train leaving at eight every morning"
-  },
-  {
-    "sen1": "3. He stole some money and was arrested for it. ",
-    "sen2": "3. He was arrested for stealing some money"
-  },
-  {
-    "sen1": "4. She met Mike when she went toSpainfor her holiday last year. ",
-    "sen2": "4. She wouldn’t have met Mike if she hadn’t gone toSpainfor her holiday last year"
-  },
-  {
-    "sen1": "5. Someone should do the job tomorrow. ",
-    "sen2": "5. The job should be done tomorrow"
-  },
-  {
-    "sen1": "6. I’ve never met a more dependent person than Roger. ",
-    "sen2": "6. Roger is the most dependent person I have ever met"
-  },
-  {
-    "sen1": "7. Somebody opened the door just after she rang the bell. ",
-    "sen2": "7. She has hardly rung the bell when somebody opened the door"
-  },
-  {
-    "sen1": "8. People say that he has been all over the world. ",
-    "sen2": "8. He is said to have been all over the world"
-  },
-  {
-    "sen1": "9. I have to write letters, but I hate it. ",
-    "sen2": "9. I hate having to write letters"
-  },
-  {
-    "sen1": "10. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "10. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "1. I have no advice to offer you. ",
-    "sen2": "1. I have no advice that is offered to you"
-  },
-  {
-    "sen1": "2. As the war ended, soldiers returned home. ",
-    "sen2": "2. The war ended and soldiers returned home"
-  },
-  {
-    "sen1": "3. It is said that he died by his own hand. ",
-    "sen2": "3. He is said to have died by his own hand"
-  },
-  {
-    "sen1": "4. Do as I tell that or you’ll regret about it. ",
-    "sen2": "4. Unless you do as I tell that, you’ll regret about it"
-  },
-  {
-    "sen1": "5. We must do our homework well or the master will get angry with us. ",
-    "sen2": "5. Unless you do our homework well, the master will get angry with us"
-  },
-  {
-    "sen1": "6. “Don’t forget to phone the office,” She told him. ",
-    "sen2": "6. She reminded him to phone the office"
-  },
-  {
-    "sen1": "7. I’m afraid I haven’t got time to listen to you. ",
-    "sen2": "7. I wish I had time to listen to you"
-  },
-  {
-    "sen1": "8. The police have just released John. ",
-    "sen2": "8. John has just been released by the police"
-  },
-  {
-    "sen1": "9. I couldn’t hear them because they were speaking too softly. ",
-    "sen2": "9. They were speaking too softly for us to hear"
-  },
-  {
-    "sen1": "10. We spent five hours getting toLondon. ",
-    "sen2": "10. It took us five hours to get toLondon"
-  },
-  {
-    "sen1": "1. The news of her son’s death was a great shock to her. ",
-    "sen2": "1. The news that her son died was a great shock to her"
-  },
-  {
-    "sen1": "2. “You can’t borrow my motorbike, Peter” Mary said. ",
-    "sen2": "2. Mary refused to lend Peter her motorbike"
-  },
-  {
-    "sen1": "3. He had written the problem on the blackboard. He solved it. ",
-    "sen2": "3. Hardly had he written the problem on the blackboard when he solved it"
-  },
-  {
-    "sen1": "4. He studied English. He also studied French. ",
-    "sen2": "4. Not only did he study English but also French"
-  },
-  {
-    "sen1": "5. We live far from our house. We miss it very much. ",
-    "sen2": "5. The farther we live from our house, the more we miss it"
-  },
-  {
-    "sen1": "6. You may be strong, but you can’t lift this heavy box. ",
-    "sen2": "6. No matter strong you are, you can’t lift this heavy box"
-  },
-  {
-    "sen1": "7. Jane weighs as much as her sister. ",
-    "sen2": "7. Jane is as heavy as her sister"
-  },
-  {
-    "sen1": "8. They were building a new shopping center when we came. ",
-    "sen2": "8. A new shopping center was being built when we came"
-  },
-  {
-    "sen1": "9. Are they going to demolish these old houses?",
-    "sen2": "9. Are these old houses going to be demolished?"
-  },
-  {
-    "sen1": "10. It was such bad coffee that he couldn’t drink it. ",
-    "sen2": "10. The coffee was so bad that he couldn’t drink it"
-  },
-  {
-    "sen1": "1. Weather conditions influence most crops. ",
-    "sen2": "1. Most crops are influenced by weather conditions"
-  },
-  {
-    "sen1": "2. You must not smoke in here. ",
-    "sen2": "2. Smoking is not allowed in here"
-  },
-  {
-    "sen1": "3. We had to spend three hours to open the door. ",
-    "sen2": "3. It took us three hours to open the door"
-  },
-  {
-    "sen1": "4. It was not until mid-night that I finished the homework. ",
-    "sen2": "4. I didn’t finish my homework until mid-night"
-  },
-  {
-    "sen1": "5. Is this the only way to reach the city center?",
-    "sen2": "5. Isn’t there another way to reach the city center?"
-  },
-  {
-    "sen1": "6. He remembered, and so did she. ",
-    "sen2": "6. He didn’t forget, and neither did she"
-  },
-  {
-    "sen1": "7. When the council going to do something about the city’s traffic problem?",
-    "sen2": "7. It’s high time something was done about the city’s traffic problem by the council"
-  },
-  {
-    "sen1": "8.  May I borrow your pen?",
-    "sen2": "8. Would you mind lending me your pen?"
-  },
-  {
-    "sen1": "9. “I’d take a taxi if I were you” said Peter. ",
-    "sen2": "9. Peter suggested I should take a taxi"
-  },
-  {
-    "sen1": "10. It is said that he escaped to a neutral country. ",
-    "sen2": "10. He is said to have escaped to a neutral country"
-  },
-  {
-    "sen1": "1. My sister has studied French for two years. ",
-    "sen2": "1. My sister began studying English two years ago"
-  },
-  {
-    "sen1": "2. Mr. Dean was one of the customers of Mr. Brown’s bank. His house was for sale. ",
-    "sen2": "2. Mr. Dean, whose house was for sale, was one of the customers of Mr. Brown’s bank. "
-  },
-  {
-    "sen1": "3. Mr. Smith’s company is busier in December than in other months. ",
-    "sen2": "3. December is the busiest month of Mr. Smith’s company"
-  },
-  {
-    "sen1": "4. Mary didn’t work hard enough. She failed in her exams. ",
-    "sen2": "4. If Mary had worked hard, she would not have failed in her exams"
-  },
-  {
-    "sen1": "5. The train was delayed for twenty minutes because of the bad weather. ",
-    "sen2": "5. Because the weather was bad, the train was delayed for twenty minutes"
-  },
-  {
-    "sen1": "6. John only understood very little of what the teacher said.  ",
-    "sen2": "6. John couldn’t hardly understand what the teacher said"
-  },
-  {
-    "sen1": "7. Unless someone has a key, we can’t get into the house. ",
-    "sen2": "7. We can only get into the house if someone has a key"
-  },
-  {
-    "sen1": "8. I’m sure you didn’t lock the front door. Here’s the key. ",
-    "sen2": "8. You can’t have locked the front door. Here’s the key"
-  },
-  {
-    "sen1": "9. He prefers golf to tennis. ",
-    "sen2": "9. He’d rather play golf than tennis"
-  },
-  {
-    "sen1": "10. He is sorry now that he didn’t invite Molly to his party. ",
-    "sen2": "10. He wishes he had invited Molly to his party"
-  },
-  {
-    "sen1": "1. I was sorry I didn’t know how to do it. ",
-    "sen2": "1. I wish I had known how to do it"
-  },
-  {
-    "sen1": "2. Spare the rod and spoil the child. ",
-    "sen2": "2. If a child is spared punishment, he will be spoilt"
-  },
-  {
-    "sen1": "3. He didn’t need to be reminded about it. ",
-    "sen2": "3. It wasn’t necessary to remind him about it. "
-  },
-  {
-    "sen1": "4. These shoes will have to be repaired. ",
-    "sen2": "4. They will have these shoes repaired"
-  },
-  {
-    "sen1": "5. I love music although I can’t play any musical instrument. ",
-    "sen2": "5. Despite the fact that I can’t play any instrument, I love music"
-  },
-  {
-    "sen1": "6. “How long has it been since you left this city, Bob?”",
-    "sen2": "6. He wanted to know how long it had been since Bob left this city"
-  },
-  {
-    "sen1": "7. Rich family tends to send their children to private schools. ",
-    "sen2": "7. Children of rich family tend to be sent to private school"
-  },
-  {
-    "sen1": "8. He had no sooner got home than it began to rain. ",
-    "sen2": "8. No sooner had he got home than it began to rain"
-  },
-  {
-    "sen1": "9. The children are taken home by bus. Their parents work late. ",
-    "sen2": "9. The children whose parents work late are taken home by bus"
-  },
-  {
-    "sen1": "10. He laughs. Perhaps he has done the exam successfully. ",
-    "sen2": "10. He laughs as if he had done the exam successfully"
-  },
-  {
-    "sen1": "1. It was so late that nothing could be done. ",
-    "sen2": "1. It was too late to do anything"
-  },
-  {
-    "sen1": "2. ‘I don’t think John will come,’ Said Bill. ",
-    "sen2": "2. Bill doubted if John would come"
-  },
-  {
-    "sen1": "3. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "3. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "4. There was never any answer when we rang. ",
-    "sen2": "4. Every time we rang, there was not any answer"
-  },
-  {
-    "sen1": "5. ‘Why don’t you put a better lock on the door, Barry?’ said John.                                          ",
-    "sen2": "5. John suggested Barry should put a better lock on the door"
-  },
-  {
-    "sen1": "6. You can visit theUnited Statesunless you get a visa. ",
-    "sen2": "6. If you do not get a visa, you can visit the United"
-  },
-  {
-    "sen1": "7. I’m always nervous when I travel by air. ",
-    "sen2": "7. Traveling by air always makes me nervous"
-  },
-  {
-    "sen1": "8. John only understood a little of what the teacher said. ",
-    "sen2": "8. John could hardly understand what the teacher said"
-  },
-  {
-    "sen1": "9. Unless he phone immediately he won’t get any information. ",
-    "sen2": "9. If he does not phone immediately, he won’t get any information"
-  },
-  {
-    "sen1": "10. “Why didn’t I get a computer before?” Thought the office manager. ",
-    "sen2": "10. The office manager wondered why he had not got a computer before"
-  },
-  {
-    "sen1": "1. He built a house that is the finest in the village. ",
-    "sen2": "1. He built a house and that is the finest in the village"
-  },
-  {
-    "sen1": "2. As soon as the teacher came in, they stopped talking. ",
-    "sen2": "2. No sooner had the teacher come in than they stopped talking"
-  },
-  {
-    "sen1": "3. He left college after he had taken his degree. ",
-    "sen2": "3. He hadn’t left college before he took his degree"
-  },
-  {
-    "sen1": "4. It is better to wear out than rush out. ",
-    "sen2": "4. To rush out is not as good as to wear out"
-  },
-  {
-    "sen1": "5. Spare the rod and spoil the child. ",
-    "sen2": "5. If the child is spared punishment, he will be spoilt"
-  },
-  {
-    "sen1": "6. No other town inIndiais as large asCalcutta. ",
-    "sen2": "6. Calcuttais the largest town inIndia"
-  },
-  {
-    "sen1": "7. Who taught you grammar last year?",
-    "sen2": "7. By whom were you taught grammar?"
-  },
-  {
-    "sen1": "8. Promises should be kept. ",
-    "sen2": "8. One should keep promise"
-  },
-  {
-    "sen1": "9. It’s time to prepare lunch. ",
-    "sen2": "9. It’s time for lunch to be prepared"
-  },
-  {
-    "sen1": "1. Peter is a careless driver. If he doesn’t take more care, he will have an accident. ",
-    "sen2": "1. Unless Peter takes more care, he will have an accident"
-  },
-  {
-    "sen1": "2. The little boy crossed the street although the traffic was heavy. ",
-    "sen2": "2. In spite of the heavy traffic, the little boy crossed the street"
-  },
-  {
-    "sen1": "3. We couldn’t answer the question because it was very hard. ",
-    "sen2": "3. The question couldn’t be answered by us because it was very hard"
-  },
-  {
-    "sen1": "4. He could not drive it. He could not sell it. He could not even give it away. ",
-    "sen2": "4. He could neither drive, sell nor give it away"
-  },
-  {
-    "sen1": "5. He should always abbey his parents. ",
-    "sen2": "5. Never shouldn’t him abbey his parents"
-  },
-  {
-    "sen1": "6. I’m sorry I was rude to you yesterday. ",
-    "sen2": "6. I apologize for being rude to you yesterday"
-  },
-  {
-    "sen1": "7. Although his leg was broken he managed to get out of the car. ",
-    "sen2": "7. In spite of his broken leg, he managed to get out of the car"
-  },
-  {
-    "sen1": "8. Nobody can deny that she has a beautiful voice. ",
-    "sen2": "8. It can’t be denied that she has a beautiful voice"
-  },
-  {
-    "sen1": "9. She likedParisa little andRomeless. ",
-    "sen2": "9. She thoughtRomewas worse thanParis"
-  },
-  {
-    "sen1": "10. After fighting the fire for 12 hours the firemen succeeded in putting it out. ",
-    "sen2": "10. The firemen managed to put it out after fighting the fire for 12 hours"
-  },
-  {
-    "sen1": "1. The children should be working now. ",
-    "sen2": "1. It is time the children worked"
-  },
-  {
-    "sen1": "2. They made him wait for two hours. ",
-    "sen2": "2. He was made to wait for two hours"
-  },
-  {
-    "sen1": "3. The police made the boat turn back. ",
-    "sen2": "3. The boat was made to turn back by the police"
-  },
-  {
-    "sen1": "4. I’d rather you smoked in here. ",
-    "sen2": "4. Would you please smoke in here?"
-  },
-  {
-    "sen1": "5. If I had known all the facts, I would not have rung the police. ",
-    "sen2": "5. As I didn’t know all the facts, I didn’t ring the police"
-  },
-  {
-    "sen1": "6. We shall notify the police about this matter. ",
-    "sen2": "6. The police shall be notified about this matter by us"
-  },
-  {
-    "sen1": "7. Galileo is considered to be the father of modern astronomy. ",
-    "sen2": "7. Galileo is regarded as the father of modern astronomy"
-  },
-  {
-    "sen1": "8. The value ofSterlinghad fallen considerably in the past week. ",
-    "sen2": "8. There has been a considerable fall in the value of Sterlingin the past week"
-  },
-  {
-    "sen1": "9. That dress has only the slightest mark on it. ",
-    "sen2": "9. I can barely see any mark on that dress"
-  },
-  {
-    "sen1": "10. I have never seen such a mess in my life. ",
-    "sen2": "10. It is the first time I have seen such a mess in my life"
-  },
-  {
-    "sen1": "1. I can remember an equally mysterious incident",
-    "sen2": "1. I can remember an incident just as mysterious as this"
-  },
-  {
-    "sen1": "2. He was a fool to say that. ",
-    "sen2": "2. It was fool of him to say that"
-  },
-  {
-    "sen1": "3. I haven’t been to a cricket match for years. ",
-    "sen2": "3. It’s years since I went to a cricket"
-  },
-  {
-    "sen1": "4. It wasn’t necessary for you to go to so much trouble on my behalf. ",
-    "sen2": "4. You needn’t go to so much trouble on my behalf"
-  },
-  {
-    "sen1": "5. Because there was a late frost, much of the crop was spoiled. ",
-    "sen2": "5. A frost, which is late, spoiled much of the crop"
-  },
-  {
-    "sen1": "6. I lent my car to that man. ",
-    "sen2": "6. That’s that man who I lent the car"
-  },
-  {
-    "sen1": "7. He does a lot of work in the evening. ",
-    "sen2": "7. He works very hard in the evening"
-  },
-  {
-    "sen1": "8. I’m going to the theater tomorrow, and I’m really looking forward to it. ",
-    "sen2": "8. I really looking forward to going to the theater tomorrow"
-  },
-  {
-    "sen1": "9. My brother and I both went to that school. ",
-    "sen2": "9. I went to that school, and my brother did, too"
-  },
-  {
-    "sen1": "10. I wasn’t there at that time. ",
-    "sen2": "10. I denied being there at that time"
-  },
-  {
-    "sen1": "1. The policeman accused him for stealing that bicycle. ",
-    "sen2": "1. “You stole that bicycle” - the policeman said to him"
-  },
-  {
-    "sen1": "2. He will be better if he takes that medicine. ",
-    "sen2": "2. Unless you don’t want to keep fit, you must play sports"
-  },
-  {
-    "sen1": "3. Mosquitoes cause malaria and this is well-known. ",
-    "sen2": "3. That mosquitoes cause malaria is well-known"
-  },
-  {
-    "sen1": "4. Life is short; yet we still waste a lot of time. ",
-    "sen2": "4. Though life is short, we waste a lot of time"
-  },
-  {
-    "sen1": "5. If you want to keep fit, you must play sports. ",
-    "sen2": "5. Unless you don’t want to keep fit, you must play sports"
-  },
-  {
-    "sen1": "6. Mr. Hill teaches his students to understand different English accents. ",
-    "sen2": "6. Mr. Hill’s students are taught to understand different English accents by him"
-  },
-  {
-    "sen1": "7. It was such a boring film that we left before the end. ",
-    "sen2": "7. The film was so boring that we left before the end"
-  },
-  {
-    "sen1": "8. Robert and Catherine have been married for four years. ",
-    "sen2": "8. It’s four years since Robert and Catherine are married"
-  },
-  {
-    "sen1": "9. Elizabeth got a bad cough because she started smoking cigarettes. ",
-    "sen2": "9. IfElizabethhadn’t smoked cigarettes, she would not have got a bad cough"
-  },
-  {
-    "sen1": "10. ‘Can I have a new bicycle?’ said Anna to her mother. ",
-    "sen2": "10. Anna asked if she could have a new bicycle"
-  },
-  {
-    "sen1": "1. The first course of the meal was a wonderful fish soup. ",
-    "sen2": "1. The meal began with a wonderful fish soup"
-  },
-  {
-    "sen1": "2. I had met Brian before but had never really talked to him. ",
-    "sen2": "2. Although I had met Brian before, I had never really talked to him"
-  },
-  {
-    "sen1": "3. I am sure it wasn’t Hilary’s fault. ",
-    "sen2": "3. It can’t have been Hilary’s fault"
-  },
-  {
-    "sen1": "4. Unfortunately, Mr. Baker didn’t tell me until it was too late. ",
-    "sen2": "4. I wish Mr. Barker had told me until it was too late"
-  },
-  {
-    "sen1": "5. I don’t think it’s a good idea for you to go out this evening. ",
-    "sen2": "5. I’d rather you didn’t go out this evening"
-  },
-  {
-    "sen1": "6. It is impossible to learn a foreign language in a week. ",
-    "sen2": "6. Learning a foreign language in a week is impossible"
-  },
-  {
-    "sen1": "7. I like detective stories. ",
-    "sen2": "7. I am fond of detective stories"
-  },
-  {
-    "sen1": "8. He is not here now. ",
-    "sen2": "8. I wish he were here now"
-  },
-  {
-    "sen1": "9. “Where has he been?” She doesn’t know that. ",
-    "sen2": "9. She doesn’t know where he has been. "
-  },
-  {
-    "sen1": "10. Has anyone told you about it yet?",
-    "sen2": "10. Have you been told about it yet?"
-  },
-  {
-    "sen1": "1. It took us three hours to open the door. ",
-    "sen2": "1. We spent three hours opening the door"
-  },
-  {
-    "sen1": "2. His mother wouldn’t allow him to go out. ",
-    "sen2": "2. He would not be allowed to go out by his mother"
-  },
-  {
-    "sen1": "3. He’ll never forget waiting for his friends to go to school. ",
-    "sen2": "3. He’ll always remember waiting for his friends to go to school"
-  },
-  {
-    "sen1": "4. ‘Let’s go for a walk in the park’, said Andrews. ",
-    "sen2": "4. Andrews suggested that they should do for a walk in the park"
-  },
-  {
-    "sen1": "5. His second attempt on the world record was successful. ",
-    "sen2": "5. He broke the world record in his second attempt"
-  },
-  {
-    "sen1": "6. He said ‘I wish I knew the answer’. ",
-    "sen2": "6. He said that he wished he knew the answer"
-  },
-  {
-    "sen1": "7. He wished he hadn’t spent so much money. ",
-    "sen2": "7. He was sorry for spending so much money"
-  },
-  {
-    "sen1": "8. He said ‘good luck’",
-    "sen2": "8. He wished me luck"
-  },
-  {
-    "sen1": "9. I applied for the job but was turned down. ",
-    "sen2": "9. My application for the job was turned down"
-  },
-  {
-    "sen1": "10. ‘Please don’t drive so fast’ Ann begged her boy friend. ",
-    "sen2": "10. Ann pleaded with her boy friend not to drive so fast"
-  },
-  {
-    "sen1": "1. John Speck failed to find the source of the riverNile. ",
-    "sen2": "1. John Speck did not succeed in finding the source of the riverNile"
-  },
-  {
-    "sen1": "2. Maria didn’t apply for the job in the library and regrets it now. ",
-    "sen2": "2. Maria wishes she had applied for the job in the library"
-  },
-  {
-    "sen1": "3. Although he did not speak Dutch, Bob decided to settle inAmsterdam. ",
-    "sen2": "3. In spite of not speaking Dutch, Bob decided to settle inAmsterdam"
-  },
-  {
-    "sen1": "4. Handicapped people find shopping in supermarket difficult. ",
-    "sen2": "4. It is difficult for handicapped people to find shopping tin supermarket"
-  },
-  {
-    "sen1": "5. Sally’s parents gave her a micro-computer for her birthday. ",
-    "sen2": "5. Sally was given a micro-computer for her birthday by her parents"
-  },
-  {
-    "sen1": "6. Don’t blame me if the tin- opener’s broken. ",
-    "sen2": "6.  It’s not my fault if the tin- opener’s broken"
-  },
-  {
-    "sen1": "7. Barbara plays squash better than Mike. ",
-    "sen2": "7. Mike doesn’t play squash as well as Barbara"
-  },
-  {
-    "sen1": "8. Whose suitcase is this?",
-    "sen2": "8. Who does this suitcase belong to?"
-  },
-  {
-    "sen1": "9. Although he had a bad cold. William still went to work. ",
-    "sen2": "9. In spite of having a bad cold, William went to work"
-  },
-  {
-    "sen1": "10. The train journey fromLondontoBristoltakes two hours. ",
-    "sen2": "10. It is a two-hour train journey fromLondontoBristol"
-  },
-  {
-    "sen1": "1. The lecturer didn’t prepare his speech carefully, so he did it very badly. ",
-    "sen2": "1. If the lecturer had prepared his speech carefully, he would not have done it very badly"
-  },
-  {
-    "sen1": "2. The gardener didn’t water those plants yesterday, so they died. ",
-    "sen2": "2. If the gardener had watered those plants yesterday, they would not have died"
-  },
-  {
-    "sen1": "3. It was such dry bread that my grand father couldn’t cut it. ",
-    "sen2": "3. The bread was so bread that my grand father couldn’t cut it"
-  },
-  {
-    "sen1": "4. My sister can’t cook as well as my mother does. ",
-    "sen2": "4. My mother cooks better than my sister does"
-  },
-  {
-    "sen1": "5. Although the weather was bad, the schoolchildren managed to come to class on time. ",
-    "sen2": "5. In spite of the bad weather, the schoolchildren managed to come to class on time. "
-  },
-  {
-    "sen1": "6. ‘I don’t think John will come’ said Bill. ",
-    "sen2": "6. Bill doubted if John would come"
-  },
-  {
-    "sen1": "7. The post man was bitten by our dog. ",
-    "sen2": "7. Our dog bit the post man"
-  },
-  {
-    "sen1": "8. We couldn’t drive because of the fog. ",
-    "sen2": "8. The fog prevented us from driving"
-  },
-  {
-    "sen1": "9. Although his leg was broken he managed to get out of the car. ",
-    "sen2": "9. In spite of his broken leg, he managed to get out of the car"
-  },
-  {
-    "sen1": "10. There is no better teacher in this school than Miss Jones. ",
-    "sen2": "10. Miss Jones is the best teacher in this school"
-  },
-  {
-    "sen1": "1. I don’t want Sally to be angry with you. I suggest that you apologize her. ",
-    "sen2": "1. You’d better apologize to Sally"
-  },
-  {
-    "sen1": "2. You might fall if you’re not careful. ",
-    "sen2": "2. Be careful or you will fail"
-  },
-  {
-    "sen1": "3. Mrs. Edward is the owner of the car. ",
-    "sen2": "3. That car belongs to Mrs. Edward"
-  },
-  {
-    "sen1": "4. The station clock showed half past ten. ",
-    "sen2": "4. According to the station clock, it was half past ten"
-  },
-  {
-    "sen1": "5. Henry found a wallet with no name in it. ",
-    "sen2": "5. The wallet was found with no name in it by Henry"
-  },
-  {
-    "sen1": "6. Ronald denied stealing Mrs. Clark’s handbag. ",
-    "sen2": "6. Ronald said that he did not steal Mrs. Clark’s handbag"
-  },
-  {
-    "sen1": "7. Susan likes staying in hotels but she prefers camping. ",
-    "sen2": "7. Susan doesn’t like staying in hotels as much as camping"
-  },
-  {
-    "sen1": "8. The fridge was so heavy that we couldn’t move it. ",
-    "sen2": "8. The fridge was too heavy for us to move"
-  },
-  {
-    "sen1": "9. ‘John, please don’t tell anyone about my new dress. ",
-    "sen2": "9. Mary asked John not to tell anyone about her new dress"
-  },
-  {
-    "sen1": "10. Sally speaks English quite fluently. ",
-    "sen2": "10. Sally’s English is quite fluent"
-  },
-  {
-    "sen1": "1. Because his secretary was out to lunch. Mr.  Andersonanswered Bill’s call. ",
-    "sen2": "1. Bill’s call was answered by Mr. Anderson because his secretary was out to lunch"
-  },
-  {
-    "sen1": "2. Security guard made the boys go outside. ",
-    "sen2": "2. The boys was made to go outside by security guard"
-  },
-  {
-    "sen1": "3. Ali has studied not only in theUSbut also inEurope. ",
-    "sen2": "3. Ali has studied in both theUSandEurope"
-  },
-  {
-    "sen1": "4. It was not his wife but his sister who called. ",
-    "sen2": "4. His sister called"
-  },
-  {
-    "sen1": "5. We were no more surprised than Jane. ",
-    "sen2": "5. We were as surprised as Jane"
-  },
-  {
-    "sen1": "6. But for his help, I would have gone bankrupt. ",
-    "sen2": "6. If it hadn’t been for his help, I would have gone bankrupt. "
-  },
-  {
-    "sen1": "7. Tim found that his friends had arrived when he reached the station. ",
-    "sen2": "7. After Tim’s friends had arrived, he reached the station"
-  },
-  {
-    "sen1": "8. I expect that he will get there by lunchtime. ",
-    "sen2": "8. I expect him to get there by lunchtime"
-  },
-  {
-    "sen1": "9. In spite of my careful plans, a lot of things went wrong. ",
-    "sen2": "9. Although my plans are careful, a lot of things went wrong"
-  },
-  {
-    "sen1": "10. As he has behaved badly, he must be punished. ",
-    "sen2": "10. Because of his bad behavior, he must be punished. "
-  },
-  {
-    "sen1": "1. The house seemed to have been unoccupied for several years. ",
-    "sen2": "1. It looked as if the house had been unoccupied for several years"
-  },
-  {
-    "sen1": "2. The police was informed of the identify of the murdered man. ",
-    "sen2": "2. The identify of the murdered man was informed to the police"
-  },
-  {
-    "sen1": "3. The fisherman’s life was one of great poverty. ",
-    "sen2": "3. Throughout his life the fisherman was very poor"
-  },
-  {
-    "sen1": "4. The keepers feed the lion at 3 p. m everyday. ",
-    "sen2": "4. The lion is fed at 3 p. m everyday by the keepers"
-  },
-  {
-    "sen1": "5. We got lost because we didn’t have a map. ",
-    "sen2": "5. If we had had the map, we would not have got lost"
-  },
-  {
-    "sen1": "6. I would prefer you to deliver the so far on Friday. ",
-    "sen2": "6. I would rather you delivered the sofa on Friday"
-  },
-  {
-    "sen1": "7. Without the sun, there would be no kinds of energy. ",
-    "sen2": "7. If there were no sun, there would be no kinds of energy"
-  },
-  {
-    "sen1": "8. In spite of the bad weather, the pilot will bring the plane down safely. ",
-    "sen2": "8. Though the weather is bad, the pilot will bring the plane down safely. "
-  },
-  {
-    "sen1": "9. Fossil fuel will be more expensive if the scientists don’t get energy from the sun and wind. ",
-    "sen2": "9. Unless the scientists get energy from the sun and wind, Fossil fuel will be more expensive"
-  },
-  {
-    "sen1": "10. She decided to accept the job despite the slow salary. ",
-    "sen2": "10. Although the salary was slow, she decided to accept the job"
-  },
-  {
-    "sen1": "1. He didn’t study hard; he failed in his examinations. ",
-    "sen2": "1. If he had studied hard, he would not have failed in his examinations"
-  },
-  {
-    "sen1": "2. ‘I don’t love you any more’, said Eric to his girl friend. ",
-    "sen2": "2. Eric told his girlfriend that he didn’t leave her anymore"
-  },
-  {
-    "sen1": "3. ‘I must see the manager!’ he cried. ",
-    "sen2": "3. He insisted on seeing the manager"
-  },
-  {
-    "sen1": "4. Arthur said he was sorry he had hurt her feelings. ",
-    "sen2": "4. Arthur apologized for hurting her feelings"
-  },
-  {
-    "sen1": "5. I had better get back to work. ",
-    "sen2": "5. It’s better for me to get back to work"
-  },
-  {
-    "sen1": "6. He is said to have been in the French foreign Legion. ",
-    "sen2": "6. People said that he was in the French foreign Legion"
-  },
-  {
-    "sen1": "7. ‘How old is your little boy?’ said the nurse to Mrs. Bindley. ",
-    "sen2": "7. The nurse asked Mrs. Bindley how old the little boy was"
-  },
-  {
-    "sen1": "8. I’m sure it wasn’t Mrs. Elton you saw because she’s inBristol. ",
-    "sen2": "8. It can’t have been Mrs. Elton because she’s inBristol"
-  },
-  {
-    "sen1": "9. How long have Catherine and Henry been engaged?",
-    "sen2": "9. When did Catherine and Henry engage?"
-  },
-  {
-    "sen1": "10. In spite of his age, Mr. Benton runs seven miles before breakfast. ",
-    "sen2": "10. Although Mr. Benton is old, he runs seven miles before breakfast"
-  },
-  {
-    "sen1": "1. I’ll help you if you promise to try harder. ",
-    "sen2": "1. Unless you promise to try harder, I will not help you"
-  },
-  {
-    "sen1": "2. “You are cheating?” said Carol to June. ",
-    "sen2": "2. Carol accused June of bring cheating"
-  },
-  {
-    "sen1": "3. She got that house in 1973. ",
-    "sen2": "3. She has got that house since 1973"
-  },
-  {
-    "sen1": "4. They believe that he is mad. ",
-    "sen2": "4. He is believed to be mad"
-  },
-  {
-    "sen1": "5. Our house is going to be painted by a local firm. ",
-    "sen2": "5. We are going to have out house painted by a local firm"
-  },
-  {
-    "sen1": "6. “I think you should go by train” he told us. ",
-    "sen2": "6. He advised us to go by train"
-  },
-  {
-    "sen1": "7. She can’t have any children because of her age. ",
-    "sen2": "7. She is too old to have children"
-  },
-  {
-    "sen1": "8. It’s not necessary to shout. ",
-    "sen2": "8. You don’t need to shout"
-  },
-  {
-    "sen1": "9. It was such a dull play that he fell asleep. ",
-    "sen2": "9. The play was so dull that he fell asleep"
-  },
-  {
-    "sen1": "10. “Where is the nearest tube?” she said. ",
-    "sen2": "10. She enquired where the nearest tube was"
-  },
-  {
-    "sen1": "1. Not a single person volunteered to help. ",
-    "sen2": "1. There were no volunteer to help"
-  },
-  {
-    "sen1": "2. Your situation is not unlike that of many other residents. ",
-    "sen2": "2. Many others residents are like you situation"
-  },
-  {
-    "sen1": "3. Richard said that they had never had so much snow in this area before. ",
-    "sen2": "3. “There was more snow than ever before” - Richard said"
-  },
-  {
-    "sen1": "4. Not once has our neighbor invited us into his home. ",
-    "sen2": "4. Our neighbor has never invited us into his home"
-  },
-  {
-    "sen1": "5. Never have I been so sick. ",
-    "sen2": "5. I am so sick now"
-  },
-  {
-    "sen1": "6. They believe that the wanted man was living inLondon. ",
-    "sen2": "6. The wanted man is believed to be living inLondon"
-  },
-  {
-    "sen1": "7. ‘How many stars are there in the sky?’",
-    "sen2": "7. No one knows how many stars there are in the sky"
-  },
-  {
-    "sen1": "8. We can’t see most of the stars. We don’t use a giant telescope. ",
-    "sen2": "8. Unless we use a giant telescope, we can’t see most of the stars"
-  },
-  {
-    "sen1": "9. The boy said to his sister ‘Have you ever read a book on space lights’",
-    "sen2": "9. The boy asked his sister if she had ever read a book on space lights"
-  },
-  {
-    "sen1": "10. “Do you want to insure your luggage or not?”",
-    "sen2": "10. The travel agent asked if I wanted to insure my luggage or not"
-  },
-  {
-    "sen1": "1. What a beautiful home you have!",
-    "sen2": "1. You have such a beautiful home"
-  },
-  {
-    "sen1": "2. How nice that Jay could come with you!",
-    "sen2": "2. It is so nice that Jay could come with you"
-  },
-  {
-    "sen1": "3. Tom doesn’t know whether his mother will allow his sister to come to the US to study. ",
-    "sen2": "3. Tom’s sister will come to theUSto study if Tom’s mother allows. "
-  },
-  {
-    "sen1": "4. Linda sold her uncle’s house after his death. ",
-    "sen2": "4. Linda’s uncle died and she sold his house"
-  },
-  {
-    "sen1": "5. Betty let Karen keep the kitten. ",
-    "sen2": "5. Betty allowed Karen to keep the kitten"
-  },
-  {
-    "sen1": "6. The fox was unsuccessful in reaching the grapes. ",
-    "sen2": "6. The fox tried in vain to reach the grapes"
-  },
-  {
-    "sen1": "7. His briefcase was too full for the zip fastener to close properly. ",
-    "sen2": "7. His briefcase was so full that the zip fastener can not close properly"
-  },
-  {
-    "sen1": "8. People say that he beats his wife. ",
-    "sen2": "8. It is said that he beats his wife"
-  },
-  {
-    "sen1": "9. He appears to be running away from your fierce dog. ",
-    "sen2": "9. It looks as if he is running away from you fierce dog"
-  },
-  {
-    "sen1": "10. He got down to writing the letter as soon as he returned from his walk. ",
-    "sen2": "10. No sooner had he returned from his walk than he got down to writing the letter"
-  },
-  {
-    "sen1": "1. If you missed the program you couldn’t really understand their intention. ",
-    "sen2": "1. Unless you didn’t miss the program, you couldn’t really understand their intension"
-  },
-  {
-    "sen1": "2. I haven’t been able to see them for over a year. ",
-    "sen2": "2. It is over a year since I was able to see them"
-  },
-  {
-    "sen1": "3. Some one has suggested abolishing income tax. ",
-    "sen2": "3. It has been suggested that income tax should be abolished"
-  },
-  {
-    "sen1": "4. There was no precedent for the king’s resignation. ",
-    "sen2": "4. Never before had the king resigned"
-  },
-  {
-    "sen1": "5. He was so tired that he fell asleep before the end of the film. ",
-    "sen2": "5. He was too tired to see the end of the film"
-  },
-  {
-    "sen1": "6. This is his first visit toEngland. ",
-    "sen2": "6. He is the first time he has visitedEngland"
-  },
-  {
-    "sen1": "7. I think it may rain. ",
-    "sen2": "7. It looks as if it may rain"
-  },
-  {
-    "sen1": "8. He will come because he wants to be sure of meeting you. ",
-    "sen2": "8. He will come so as to be sure of meeting you"
-  },
-  {
-    "sen1": "9. in the rain gives him pleasure. ",
-    "sen2": "9. He enjoys waling in the rain"
-  },
-  {
-    "sen1": "10. Most of a child’s life spent in playing. ",
-    "sen2": "10. A child spends most of the life playing"
-  },
-  {
-    "sen1": "1. He failed to win the race. ",
-    "sen2": "1. He didn’t manage to win the race"
-  },
-  {
-    "sen1": "2. No body can deny that she has a beautiful voice. ",
-    "sen2": "2. It can’t be denied that she has a beautiful voice"
-  },
-  {
-    "sen1": "3. The rent is $ 60 per week. ",
-    "sen2": "3. The flat costs $ 60 per week"
-  },
-  {
-    "sen1": "4. He borrowed the money from the bank. ",
-    "sen2": "4. The bank lent him the money"
-  },
-  {
-    "sen1": "5. It is not expensive. ",
-    "sen2": "5. It doesn’t take too much money"
-  },
-  {
-    "sen1": "6. Their teacher is making them prepare carefully for the exam. ",
-    "sen2": "6. They are being made to prepare carefully for the exam by their teacher"
-  },
-  {
-    "sen1": "7. I would do any thing for you. ",
-    "sen2": "7. There is nothing I would not do for you"
-  },
-  {
-    "sen1": "8. He was late because his car broke. ",
-    "sen2": "8. The reason why he was late was that his car broke"
-  },
-  {
-    "sen1": "9. I won’t swim in the sea because it is too cold. ",
-    "sen2": "9. The sea is not warm enough for me to swim"
-  },
-  {
-    "sen1": "10. Robert says he will never visitManchesteragain. ",
-    "sen2": "10. Robert says this is the last time he visitsManchester"
-  },
-  {
-    "sen1": "1. Mary told the police about the burglary. ",
-    "sen2": "1. Mary reported the burglary to the police"
-  },
-  {
-    "sen1": "2. I never intended to go to the wedding. ",
-    "sen2": "2. I never had any intention of going to the wedding"
-  },
-  {
-    "sen1": "3. “It certainly wasn’t me who took your car” said Bob. ",
-    "sen2": "3. Bob refused to take the car"
-  },
-  {
-    "sen1": "4. She is a good guitarist. ",
-    "sen2": "4. She can play guitar well"
-  },
-  {
-    "sen1": "5. He was suspended for two matches for swearing at the referee. ",
-    "sen2": "5. Swearing at the referee earned him two-match suspension"
-  },
-  {
-    "sen1": "6. Though my house was cheaper thanNorman’s, it is bigger and more attractive. ",
-    "sen2": "6. Norman’s house may be more expensive than mine but it is not as big and attractive as mine. "
-  },
-  {
-    "sen1": "7. Someone must meet him at the railway station. ",
-    "sen2": "7. He must be met at the railway station"
-  },
-  {
-    "sen1": "8. I often get up early. ",
-    "sen2": "8. I am used to getting up early"
-  },
-  {
-    "sen1": "9. Getting a good job doesn’t interest him. ",
-    "sen2": "9. He is not interested in getting a good job"
-  },
-  {
-    "sen1": "1. Do you think Sally will be able to come to us for Christmas?",
-    "sen2": "1. Is there any possibility that Sally will come to us for Christmas?"
-  },
-  {
-    "sen1": "2. How about something to eat before the show?",
-    "sen2": "2. Shall we eat something before the show?"
-  },
-  {
-    "sen1": "3. Unless you start at once, you’ll be late. ",
-    "sen2": "3. If you don’t start at once, you’ll be late"
-  },
-  {
-    "sen1": "4. I have never seen a dirtier- looking dog. ",
-    "sen2": "4. This is the dirtiest dog I have ever seen"
-  },
-  {
-    "sen1": "5. Although his leg was broken, he managed to get out of the car. ",
-    "sen2": "5. In spite of his broken leg, he managed to get out of the car"
-  },
-  {
-    "sen1": "6. They will catch all the prisoners again by tonight. ",
-    "sen2": "6. All the prisoners will be caught again tonight. "
-  },
-  {
-    "sen1": "7. Mary rang hours and hours ago. ",
-    "sen2": "7. It is hours since Mary rang"
-  },
-  {
-    "sen1": "8. You may get hungry on the train, so take some sandwiches. ",
-    "sen2": "8. In case you get hungry on the train, take some sandwiches"
-  },
-  {
-    "sen1": "9. They understand more than we do. ",
-    "sen2": "9. We don’t understand as much as they do"
-  },
-  {
-    "sen1": "10. The prime Minister is going to open the enquiry. ",
-    "sen2": "10. The enquiry is going to be opened by the Prime Minister"
-  },
-  {
-    "sen1": "1. “If you don’t take it easy, you’ll have another heart attack” the doctor said to the patient. ",
-    "sen2": "1. The doctor warned the patient to take it easy or he would have another heart attack"
-  },
-  {
-    "sen1": "2. I know this reporter’s background well and he’s 100% honest. ",
-    "sen2": "2. This reporter whose background I know well is 100% honest"
-  },
-  {
-    "sen1": "3. They stretched the rope from one side of the crevasse to the other in order to haul (pull) their equipment across. ",
-    "sen2": "3. By stretching the rope from one side of the crevasse to the other, they hauled their equipment across"
-  },
-  {
-    "sen1": "4. People no longer smoke so many cigarettes as they used to. ",
-    "sen2": "4. The smoking that people do is not as much as it used to. "
-  },
-  {
-    "sen1": "5. We’ve been thinking the matter over and have and have finally come to a decision. ",
-    "sen2": "5. We’ve given our mind to think the matter over and come to a decision"
-  },
-  {
-    "sen1": "6. Why isn’t this TV working?",
-    "sen2": "6. What’s wrong with this TV?"
-  },
-  {
-    "sen1": "7. I’ve never tasted pleasant before. ",
-    "sen2": "7. This is the first time I’ve tasted pleasant"
-  },
-  {
-    "sen1": "8. If there is an emergency, ring this number. ",
-    "sen2": "8. In case there is an emergency, ring this number"
-  },
-  {
-    "sen1": "9. I never miss out on a cup of coffee when I visit her flat. ",
-    "sen2": "9. She always gives me a cup of coffee when I visit her flat"
-  },
-  {
-    "sen1": "10. The engine failed because a part had been badly fitted. ",
-    "sen2": "10. The engine failure is caused by a badly fitted part"
-  },
-  {
-    "sen1": "1. I’m having a number of troubles now because I lost my passport last week. ",
-    "sen2": "1. If I hadn’t lost my passport last week, I would not have had troubles"
-  },
-  {
-    "sen1": "2. She had hardly begun to speak before people started interrupting her. ",
-    "sen2": "2. Hardly had she begun to speak when people started interrupting her"
-  },
-  {
-    "sen1": "3. “You should have waited for us,” the team leader said to John. ",
-    "sen2": "3. The team leader criticized John for not waiting for her him"
-  },
-  {
-    "sen1": "4. I only made that terrible mistake because I was thinking. ",
-    "sen2": "4. If I hadn’t been thinking, I would not have made that terrible mistake"
-  },
-  {
-    "sen1": "5. When the police caught him, he was climbing over the garden wall. ",
-    "sen2": "5. The police caught him when he was climbing over the garden wall"
-  },
-  {
-    "sen1": "6. It was a bit difficult to get into work this morning. ",
-    "sen2": "6. Getting to work this morning was a bit difficult"
-  },
-  {
-    "sen1": "7. It’s possible that he didn’t get my letter. ",
-    "sen2": "7. He might not have got my letter"
-  },
-  {
-    "sen1": "8. It’s sad, but unemployment is unlikely to go down this year. ",
-    "sen2": "8. Sad as it is, unemployment is unlikely to go down this year"
-  },
-  {
-    "sen1": "9. We regret to inform you that your application has not been successful. ",
-    "sen2": "9. Much to our regret, your application has not been successful"
-  }
-][
-  {
-    "sen1": "1. It isn’t necessary to finish the work today. ",
-    "sen2": "1. You don’t have to finish the work today"
-  },
-  {
-    "sen1": "2. Sally finally managed to get a job. ",
-    "sen2": "2. Sally finally succeeded in getting the job"
-  },
-  {
-    "sen1": "3. That’s the last time I go to that restaurant. ",
-    "sen2": "3. I certainly will never go to that restaurant"
-  },
-  {
-    "sen1": "4. “I advised you to take a holiday” The doctor said. ",
-    "sen2": "4. “You’d better take a holiday” - the doctor said"
-  },
-  {
-    "sen1": "5. If you don’t rest your self you really will be ill. ",
-    "sen2": "5. Unless you rest yourself, you really will be ill"
-  },
-  {
-    "sen1": "6. The doctor told him that he worked too hard. ",
-    "sen2": "6. “You work too hard” - the doctor said to him"
-  },
-  {
-    "sen1": "7. Those pictures are beautiful. ",
-    "sen2": "7. How beautiful those pictures are"
-  },
-  {
-    "sen1": "8. It was an interesting film. ",
-    "sen2": "8. What an interesting film!"
-  },
-  {
-    "sen1": "9. What’s the weight of your suitcase?",
-    "sen2": "9. How heavy is your suitcase?"
-  },
-  {
-    "sen1": "10. How tall is Peter?",
-    "sen2": "10. What is the height of Peter?"
-  },
-  {
-    "sen1": "1. We arrived too late to see the first film. ",
-    "sen2": "1. We didn’t arrive early enough to see the first film"
-  },
-  {
-    "sen1": "2. “I’m sorry that I broke the glass” said Peter. ",
-    "sen2": "2. Peter apologized for breaking the glass"
-  },
-  {
-    "sen1": "3. I was downing, but he saved me. ",
-    "sen2": "3. If he hadn’t saved me, I would have been downing"
-  },
-  {
-    "sen1": "4. Sally is the cleverest student in the class. ",
-    "sen2": "4. Nobody is cleverer than Sally in the class"
-  },
-  {
-    "sen1": "5. I have never read such a romantic story before. ",
-    "sen2": "5. This is the most romantic story I have ever read"
-  },
-  {
-    "sen1": "6. We can’t afford to buy the car. ",
-    "sen2": "6. The car is too expensive for me to buy"
-  },
-  {
-    "sen1": "7. His parents made him study hard for the exams. ",
-    "sen2": "7. He was made to study hard for the exams"
-  },
-  {
-    "sen1": "8. We started cooking for the party four hours ago. ",
-    "sen2": "8. We have been cooking for the party for four hours"
-  },
-  {
-    "sen1": "9. He has never behaved so violent before. ",
-    "sen2": "9. He is behaving more violently than ever before"
-  },
-  {
-    "sen1": "10. We couldn’t get nearer because of the police. ",
-    "sen2": "10. The police prevented us from getting nearer"
-  },
-  {
-    "sen1": "1. Somebody repaired her car yesterday. ",
-    "sen2": "1. She had her car repaired yesterday"
-  },
-  {
-    "sen1": "2. You must see the manager tomorrow morning. ",
-    "sen2": "2. You’ve got to see the manager tomorrow morning"
-  },
-  {
-    "sen1": "3. I’ve warned you not to go near the dog. ",
-    "sen2": "3. I’ve warned you about going near the dog"
-  },
-  {
-    "sen1": "4. She can meet him if he arrives before eleven. ",
-    "sen2": "4. So long as he arrives before eleven, she can meet him"
-  },
-  {
-    "sen1": "5. There was never any answer when I rang. ",
-    "sen2": "5. Every time I rang, there was not any answer. "
-  },
-  {
-    "sen1": "6. She knows more about it than I do. ",
-    "sen2": "6. I don’t know as much about it as she does"
-  },
-  {
-    "sen1": "7. Although he had a good salary, he was unhappy in his job. ",
-    "sen2": "7. In spite of having a good salary, he was unhappy in his job"
-  },
-  {
-    "sen1": "8. He prefers golf to tennis. ",
-    "sen2": "8. He’d rather play golf than tennis"
-  },
-  {
-    "sen1": "9. The garden still needs digging. ",
-    "sen2": "9. The garden hasn’t been dug yet"
-  },
-  {
-    "sen1": "10. Susan felt sick, because she ate four cream cakes. ",
-    "sen2": "10. If Susan hadn’t eaten four cream cakes, she wouldn’t’ t have felt sick"
-  },
-  {
-    "sen1": "1. She couldn’t afford to buy the car. ",
-    "sen2": "1. The car is too expensive for her to buy"
-  },
-  {
-    "sen1": "2. She didn’t say a word as she left the room. ",
-    "sen2": "2. She left the room without saying a word"
-  },
-  {
-    "sen1": "3. They think the owner of the house is abroad. ",
-    "sen2": "3. The owner of the house is thought to be abroad"
-  },
-  {
-    "sen1": "4. You remembered to post the letter, didn’t you?",
-    "sen2": "4. You didn’t forget to post the letter, did you?"
-  },
-  {
-    "sen1": "5. Speaking English fluently is not easy. ",
-    "sen2": "5. It is not easy to speak English"
-  },
-  {
-    "sen1": "6. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "6. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "7. She asked John how he liked her new dress. ",
-    "sen2": "7. “How do you like my new dress, John?”, she asked"
-  },
-  {
-    "sen1": "8. A train leaves at eight o’clock every morning. ",
-    "sen2": "8. There is a train leaving ay 8 o’clock every morning"
-  },
-  {
-    "sen1": "9. Nobody can deny that she has a beautiful voice. ",
-    "sen2": "9. It can’t be denied that she has a beautiful voice"
-  },
-  {
-    "sen1": "10. I would like you to help me to put the chair away. ",
-    "sen2": "10. Do you mind helping me to put the chair away?"
-  },
-  {
-    "sen1": "1. Reading scientific books is one of my interests. ",
-    "sen2": "1. I’m interested in reading scientific books"
-  },
-  {
-    "sen1": "2. Unless he phones her immediately, he won’t get any information. ",
-    "sen2": "2. If he doesn’t phone her immediately, he won’t get any information"
-  },
-  {
-    "sen1": "3. The garage is going to repair the car for us next week. ",
-    "sen2": "3. We are going to have the car repaired by the garage next week"
-  },
-  {
-    "sen1": "4. The news was wonderful that she decided to have a celebration. ",
-    "sen2": "4. It was such the wonderful news that she decided to have a celebration"
-  },
-  {
-    "sen1": "5. It’s very difficult to leave here after such a long time. ",
-    "sen2": "5. It isn’t easy to leave here after such a long time"
-  },
-  {
-    "sen1": "6. I always see him working in the garden on Sundays. ",
-    "sen2": "6. He takes every Sundays to work in the garden"
-  },
-  {
-    "sen1": "7. 18 people came although we had expected only 16. ",
-    "sen2": "7. Two extra people came although we had expected only 16. "
-  },
-  {
-    "sen1": "8. Jerry’s salary as an accountant is two thousand dollars a month. ",
-    "sen2": "8. Jerry makes two thousand dollars a month as an accountant"
-  },
-  {
-    "sen1": "9. We need a week to think about it. ",
-    "sen2": "9. We need to think about it for a week"
-  },
-  {
-    "sen1": "10. The owners of newspapers are usually very rich. ",
-    "sen2": "10. The people who owes newspapers are usually very rich"
-  },
-  {
-    "sen1": "1. She and I have never been there before. ",
-    "sen2": "1. Neither she nor I have been there before"
-  },
-  {
-    "sen1": "2. It was such a good weather that we went swimming. ",
-    "sen2": "2. The weather was so good that we went swimming"
-  },
-  {
-    "sen1": "3. I can’t see that far. ",
-    "sen2": "3. It is too far for me to see"
-  },
-  {
-    "sen1": "4. I have never been to the ballet before. ",
-    "sen2": "4. It is the first time I have been to the ballet"
-  },
-  {
-    "sen1": "5. John doesn’t always speak the truth, I’m afraid. ",
-    "sen2": "5. You can’t believe that John always speaks the truth"
-  },
-  {
-    "sen1": "6. Why don’t you put your luggage under the seat? He asked. ",
-    "sen2": "6. He suggested I should put my luggage under the seat"
-  },
-  {
-    "sen1": "7. The restaurant is so dirty that no one wants to eat there. ",
-    "sen2": "7. It is such a dirty restaurant that no one wants to eat there"
-  },
-  {
-    "sen1": "8. I’m always nervous when I face a lot of people. ",
-    "sen2": "8. Facing a lot of people always makes me nervous"
-  },
-  {
-    "sen1": "9. Apples are usually cheaper than oranges. ",
-    "sen2": "9. Apples are not as expensive as oranges"
-  },
-  {
-    "sen1": "10. You can’t visitMoscowunless you get a visa. ",
-    "sen2": "10. If you don’t get a visa, you can’t visit Moscow"
-  },
-  {
-    "sen1": "1. John smoked cigarettes when he was a young man. ",
-    "sen2": "1. John used to smoke cigarettes when he was a young man"
-  },
-  {
-    "sen1": "2. “Hand your books to me when you have finished, please. ”",
-    "sen2": "2. He asked me to hand my books to him when I had finished. "
-  },
-  {
-    "sen1": "3. In countries likeBritainthe weather changes all the time. ",
-    "sen2": "3. In countries likeBritain, the weather is very changeable"
-  },
-  {
-    "sen1": "4. You do not have to pay for secondary education inBritain. ",
-    "sen2": "4. Secondary education is free inBritain"
-  },
-  {
-    "sen1": "5. He had a weak heart which meant he couldn’t walk very far. ",
-    "sen2": "5. His heart was so weak that he couldn’t walk very far"
-  },
-  {
-    "sen1": "6. Unless he phones immediately he won’t get information. ",
-    "sen2": "6. If he doesn’t phone immediately, he won’t get any information"
-  },
-  {
-    "sen1": "7. How long is it since they bought the house?",
-    "sen2": "7. When did they buy the house?"
-  },
-  {
-    "sen1": "8. He couldn’t repair the broken vase. ",
-    "sen2": "8. The broken vase couldn’t be repaired by him"
-  },
-  {
-    "sen1": "9. The garden still needs digging. ",
-    "sen2": "9. The garden hasn’t been dug yet"
-  },
-  {
-    "sen1": "10. Have you had a cheaper carpet than this?",
-    "sen2": "10. Is this the cheapest carpet have you had?"
-  },
-  {
-    "sen1": "1. When I was younger I used to go climbing more than I do now. ",
-    "sen2": "1. Now I do not go climbing as much as I used to when I was younger"
-  },
-  {
-    "sen1": "2. Englandno longer had dreadful fogs. ",
-    "sen2": "2. There used to be dreadful dogs inEngland"
-  },
-  {
-    "sen1": "3. It is years since we decorated the room. ",
-    "sen2": "3. We haven’t decorated the room for years"
-  },
-  {
-    "sen1": "4. By the time we arrive the other guests will have already started dinner. ",
-    "sen2": "4. The other guests will start dinner before we arrive. "
-  },
-  {
-    "sen1": "5. I would like the school holidays to be longer. ",
-    "sen2": "5. I wish the school holidays were longer"
-  },
-  {
-    "sen1": "6. John is not old enough to join the club. ",
-    "sen2": "6. John is too young to join the club"
-  },
-  {
-    "sen1": "7. He is to blame for his mistakes. This is very necessary. ",
-    "sen2": "7. It is very necessary for him to be to blame for his mistakes. "
-  },
-  {
-    "sen1": "8. He must pass his intermediate level English examination. That was obligatory. ",
-    "sen2": "8. It was obligatory for him to pass his intermediate level English examination"
-  },
-  {
-    "sen1": "9. The mother came and lived with them to take care of their children. That was their-   request. ",
-    "sen2": "9. It was their request that the mother came and lived with them to take care of their children"
-  },
-  {
-    "sen1": "10. Isabel: “You can’t borrow my pen, Robert”. ",
-    "sen2": "10. Isabel deny lending Robert her pen"
-  },
-  {
-    "sen1": "11. You lied to him, which was wrong. ",
-    "sen2": "11. You were wrong to lie to him"
-  },
-  {
-    "sen1": "1. I wouldn’t do anything for you. ",
-    "sen2": "1. There’s nothing I would not do for you"
-  },
-  {
-    "sen1": "2. Yogurt is supposed to be good for you. ",
-    "sen2": "2. Yogurt is supposed to do good for you"
-  },
-  {
-    "sen1": "3. Is it essential to meet your aunt at the station?",
-    "sen2": "3. Does your aunt have to be met at the station?"
-  },
-  {
-    "sen1": "4. Even though I admire his courage, I think he is foolish. ",
-    "sen2": "4. Much as I admire his courage, I think he is foolish"
-  },
-  {
-    "sen1": "5. Given fair warning, I could have avoided that date. ",
-    "sen2": "5. If you had told me in advance, I could have avoided that date"
-  },
-  {
-    "sen1": "6. Please don’t say things like that. ",
-    "sen2": "6. I wish you didn’t say things like that"
-  },
-  {
-    "sen1": "8. It would have been a superb weekend if it hadn’t been for the weather. ",
-    "sen2": "8. But for the weather, it would have been a superb weekend"
-  },
-  {
-    "sen1": "9. Dogs can swim better than cats can. ",
-    "sen2": "9. Cats can not swim as well as dogs can. "
-  },
-  {
-    "sen1": "10. She hasn’t been to the hair dresser for three months. ",
-    "sen2": "10. It’s three months since she went to the hairdresser"
-  },
-  {
-    "sen1": "11. There’s a spare bed in David’s room. ",
-    "sen2": "11. David’s room has a spare bed. "
-  },
-  {
-    "sen1": "1. I can’t get my feet into these shoes. ",
-    "sen2": "1. These shoes are too small for me to get my feet into"
-  },
-  {
-    "sen1": "2. I am very pleased that we shall meet again soon. ",
-    "sen2": "2. I’m looking forward to meeting again soon"
-  },
-  {
-    "sen1": "3. “Keep away from this area” said the security guard, when approached the fence. ",
-    "sen2": "3. The security guard told me to keep away from this area"
-  },
-  {
-    "sen1": "4. I’ve never met such a famous person before. ",
-    "sen2": "4. It is the first time I met such a famous person"
-  },
-  {
-    "sen1": "5. This pudding can be cooked in its tin. ",
-    "sen2": "5. You don’t have to put this pudding out of its tin to cook it. "
-  },
-  {
-    "sen1": "6. They thought that he was waiting for a message. ",
-    "sen2": "6. He was thought to have been waiting for a message"
-  },
-  {
-    "sen1": "7. He couldn’t drive his car because he has no driving license. ",
-    "sen2": "7. If he had driving license, he could drive his car"
-  },
-  {
-    "sen1": "8. He found out the key which he lost a long time ago. ",
-    "sen2": "8. The key which he lost a long tine ago was found out by him"
-  },
-  {
-    "sen1": "9. Nothing could be done to help him. ",
-    "sen2": "9. They could not do anything to help him"
-  },
-  {
-    "sen1": "10. He was accustomed to stay up late. ",
-    "sen2": "10. He used to stay up late"
-  },
-  {
-    "sen1": "1. Someone stole my purse from my handbag. ",
-    "sen2": "1. My purse was stolen from my handbag"
-  },
-  {
-    "sen1": "2. She asked John to repeat what he has said. ",
-    "sen2": "2. “Please repeat what you have said”, she told John"
-  },
-  {
-    "sen1": "3. It is a pity you didn’t tell us about this. ",
-    "sen2": "3. I wish you had told us about this"
-  },
-  {
-    "sen1": "4. We couldn’t go out because the weather was so bad. ",
-    "sen2": "4. It was such the bad weather that we couldn’t go out"
-  },
-  {
-    "sen1": "5. “Keep away from this area” said the security guard when we approached the fence.      ",
-    "sen2": "5. The security guard told me to keep away from this area"
-  },
-  {
-    "sen1": "6. He could repair the broken vase. ",
-    "sen2": "6. The broken vase couldn’t be repaired"
-  },
-  {
-    "sen1": "7. He is sorry now that he didn’t invite us to the party. ",
-    "sen2": "7. He wishes he had invited us to the party"
-  },
-  {
-    "sen1": "8. Although he had a good salary. He was unhappy in his job. ",
-    "sen2": "8. Despite having a good salary, he was unhappy in his job"
-  },
-  {
-    "sen1": "9. He couldn’t afford to buy the car. ",
-    "sen2": "9. He wasn’t rich enough to buy the car"
-  },
-  {
-    "sen1": "10. Couldn’t you have got a bus to the station?",
-    "sen2": "10. Wasn’t it possible to get a bus to the station?"
-  },
-  {
-    "sen1": "1. Jane is a brilliant swimmer. She presentedBritainin the Olympic Games. ",
-    "sen2": "1. Jane, who is a brilliant swimmer, presentedBritainin the Olympic games"
-  },
-  {
-    "sen1": "2. The girl living next-door to me is getting married next year. ",
-    "sen2": "2. The girl that lives next-door to me is getting married next year"
-  },
-  {
-    "sen1": "3. This mountain is high; we can’t climb it. ",
-    "sen2": "3. This mountain is too high for us to climb. "
-  },
-  {
-    "sen1": "4. Are you very tall? Can you reach that picture?",
-    "sen2": "4. Are you tall enough to reach that picture?"
-  },
-  {
-    "sen1": "5. A donkey is less beautiful than a horse. ",
-    "sen2": "5. A donkey is not as beautiful as a horse"
-  },
-  {
-    "sen1": "6. She doesn’t usually stay up late. ",
-    "sen2": "6. She’s not used to staying up late"
-  },
-  {
-    "sen1": "7. I f I were you, I’d look for another job. ",
-    "sen2": "7. I suggested you should look for another job"
-  },
-  {
-    "sen1": "8. He lost his money simply he wasn’t careful. ",
-    "sen2": "8. If he had been careful, he would not have lost his money"
-  },
-  {
-    "sen1": "9. They last visited me five years ago. ",
-    "sen2": "9. They haven’t visited me for five years"
-  },
-  {
-    "sen1": "10. All his suits were made inParis. ",
-    "sen2": "10. He had all his suits made in Paris"
-  },
-  {
-    "sen1": "1. I saw him come out of the house. ",
-    "sen2": "1. He was seen to come out of the house by me"
-  },
-  {
-    "sen1": "2. I haven’t had much money; I can’t buy any new clothes. ",
-    "sen2": "2. If only I had much money to buy some new clothes"
-  },
-  {
-    "sen1": "3. She was believed to have taken part in revolutionary activities. ",
-    "sen2": "3. It was believed that she took part in revolutionary activities"
-  },
-  {
-    "sen1": "4. In a few countries, the whole population only enjoys a reasonable standard of living.                                                                                                      Only . . . . . . . . . ",
-    "sen2": "4. Only a reasonable standard of living is enjoyed by the whole population is a few countries"
-  },
-  {
-    "sen1": "5. We went out in spite of the rain. ",
-    "sen2": "5. Although it rained, we went out"
-  },
-  {
-    "sen1": "6. Mr. John would rather watch TV than go to the cinema. ",
-    "sen2": "6. Mr. John prefers watching TV to going to the cinema"
-  },
-  {
-    "sen1": "7. It was impossible to work in that condition. ",
-    "sen2": "7. Working in that condition was impossible"
-  },
-  {
-    "sen1": "8. Frank is very good at tennis. ",
-    "sen2": "8. Frank plays tennis very well"
-  },
-  {
-    "sen1": "9. I’m sorry. I couldn’t help him",
-    "sen2": "9. I wish I could help him"
-  },
-  {
-    "sen1": "10. Speaking English fluently is not easy. ",
-    "sen2": "10. It is not easy to speak English fluently"
-  },
-  {
-    "sen1": "1. This is too hard a question for her to answer. ",
-    "sen2": "1. The question is too hard for her to answer"
-  },
-  {
-    "sen1": "2. Since she was not certain of the way, she asked the policeman. ",
-    "sen2": "2. Not being certain of the way, she asked the policeman"
-  },
-  {
-    "sen1": "3. She wanted to know if he had studied French. ",
-    "sen2": "3. She asked him “Have you studied French?”"
-  },
-  {
-    "sen1": "4. I’m sorry that I didn’t study French last year. ",
-    "sen2": "4. I wish I had studied French last year"
-  },
-  {
-    "sen1": "5. The children will go swimming if it is sunny. ",
-    "sen2": "5. Unless it isn’t sunny, the children will go swimming"
-  },
-  {
-    "sen1": "6. “Bring your swimming things in case it is rainy. ",
-    "sen2": "6. He told me to bring my swimming things in case it was sunny"
-  },
-  {
-    "sen1": "7. There’s no need for you to talk so loudly. ",
-    "sen2": "7. You don’t have to talk so loudly"
-  },
-  {
-    "sen1": "8. I haven’t been toBristolfor three years. ",
-    "sen2": "8. The last time I went toBristolwas three years ago"
-  },
-  {
-    "sen1": "9. No one has signed this cheque. ",
-    "sen2": "9. This cheque hasn’t been signed"
-  },
-  {
-    "sen1": "10. Tim will be eighteen next week. ",
-    "sen2": "10. It’s Tim eighteenth birthday next week"
-  },
-  {
-    "sen1": "1. Her grief was so great that she almost fainted. ",
-    "sen2": "1. So great was her grief that she almost fainted"
-  },
-  {
-    "sen1": "2. You can leave only when I tell you. ",
-    "sen2": "2. Until I tell you can’t you leave"
-  },
-  {
-    "sen1": "3. She prefers Italian food to French food. ",
-    "sen2": "3. She’d rather eat Italian food than French food"
-  },
-  {
-    "sen1": "4. Sarah is better at Chemistry than Susan. ",
-    "sen2": "4. Susan is not as good at Chemistry as Sarah"
-  },
-  {
-    "sen1": "5. When’s John and Mary’s wedding?",
-    "sen2": "5. When are John and Mary married?"
-  },
-  {
-    "sen1": "6. Most people understand him when he speaks English. ",
-    "sen2": "6. He can make people understand when he speaks English"
-  },
-  {
-    "sen1": "7. Tom is sorry he didn’t watch the football match last night. ",
-    "sen2": "7. Tom wishes he had watched the football match last night"
-  },
-  {
-    "sen1": "8. The test we did yesterday was so difficult that we couldn’t finish it in two hours.    ",
-    "sen2": "8. Yesterday we did such a difficult test that we couldn’t finish it in 2 hours"
-  },
-  {
-    "sen1": "9. “How many students are there in your class?”",
-    "sen2": "9. The man asked me how many students there were in my class"
-  },
-  {
-    "sen1": "10. She is listening to the radio. She turned it off at seven- thirty. ",
-    "sen2": "10. She has been listening to the radio before seven-thirty"
-  },
-  {
-    "sen1": "11. You should take science appreciation courses at school. ",
-    "sen2": "11. The lady-researcher advised us to take science appreciation courses at school"
-  },
-  {
-    "sen1": "1. You have to pay taxes or go to prison. ",
-    "sen2": "1. Falling to pay taxes, you may go to prison"
-  },
-  {
-    "sen1": "2. The work completely failed and everyone was surprised. ",
-    "sen2": "2. To everybody’s surprise, the work completely failed"
-  },
-  {
-    "sen1": "3. The poor farmer was tired but he kept working. ",
-    "sen2": "3. In spite of being tired, the poor farmer kept working"
-  },
-  {
-    "sen1": "4. This is the sad news you have brought. ",
-    "sen2": "4. What the sad news you have brought"
-  },
-  {
-    "sen1": "5. She may be innocent. I don’t know that. ",
-    "sen2": "5. I do not know whether she is innocent or not"
-  },
-  {
-    "sen1": "6. They will catch all the prisoners again tonight. ",
-    "sen2": "6. All the prisoners will be caught again tonight"
-  },
-  {
-    "sen1": "7. Joanne doesn’t like to read her stories. ",
-    "sen2": "7. Joanne isn’t interested in reading stories"
-  },
-  {
-    "sen1": "8. No, please don’t tell him. ",
-    "sen2": "8. I’d rather you didn’t tell him"
-  },
-  {
-    "sen1": "9. Why don’t you ask her yourself?",
-    "sen2": "9. I suggest you should ask her yourself. "
-  },
-  {
-    "sen1": "10. An up- to - date visa is necessary forAndorra. ",
-    "sen2": "10. You’ll need to get an up-to-date visa forAndorra"
-  },
-  {
-    "sen1": "1. Joan eats very little so as not to put on weight. ",
-    "sen2": "1. Joan eats very little because she doesn’t want to put on weight"
-  },
-  {
-    "sen1": "2. She rarely met such a beautiful film star. ",
-    "sen2": "2. Rarely did she meet such a beautiful film star"
-  },
-  {
-    "sen1": "3. Though he was poor, he wasn’t always unhappy. ",
-    "sen2": "3. Despite being poor, he wasn’t always unhappy"
-  },
-  {
-    "sen1": "4. She can’t ask intelligent questions. She can’t profit from listening to her colleagues.  ",
-    "sen2": "4. She can’t neither ask intelligent questions nor profit from listening to her colleagues"
-  },
-  {
-    "sen1": "5. She spoke English very carefully. He spoke very clearly. ",
-    "sen2": "5. He not only spoke English very carefully but also very clearly"
-  },
-  {
-    "sen1": "6. Gravity makes balls thrown into the air fall back down. ",
-    "sen2": "6. If there weren’t gravity, balls thrown into the air would fall back down"
-  },
-  {
-    "sen1": "7. Because Faraday’s father was very poor, he couldn’t send Faraday to school. ",
-    "sen2": "7. Faraday’s father was too poor to send him to school"
-  },
-  {
-    "sen1": "8. It is such a boring book that nobody likes it. ",
-    "sen2": "8. The book is so boring that nobody likes it"
-  },
-  {
-    "sen1": "9. They were so strong that they could lift the rock. ",
-    "sen2": "9. They were such strong people that they could lift the rock"
-  },
-  {
-    "sen1": "10. I can’t play tennis as well as my brother does. ",
-    "sen2": "10. My brother plays tennis better than I do"
-  },
-  {
-    "sen1": "1. Jim didn’t lend me any money, so I was unable to buy a car. ",
-    "sen2": "1. If Jim had lent me some money, I would have been able to buy a car"
-  },
-  {
-    "sen1": "2. On arrival at the shop, the goods are inspected carefully. ",
-    "sen2": "2. When arriving at the shop, the goods are inspected carefully"
-  },
-  {
-    "sen1": "3. Laurence hasn’t seen her sister since she left forJapan. ",
-    "sen2": "3. Laurence last saw her sister when she left forJapan"
-  },
-  {
-    "sen1": "4. Peter said he didn’t feel well. ",
-    "sen2": "4. Peter said, “I don’t not fell well”"
-  },
-  {
-    "sen1": "5. John is fat because she eats so many chips. ",
-    "sen2": "5. If John did not eat so many chips, he would not be fat"
-  },
-  {
-    "sen1": "6. John is fat because she eats so many chips. ",
-    "sen2": "6. If John did not eat so many chips, he would not be fat"
-  },
-  {
-    "sen1": "7. Collecting dolls from foreign countries is one of Jane’s interests. ",
-    "sen2": "7. Jane is interested in collecting stamps"
-  },
-  {
-    "sen1": "8. George doesn’t nearly as energetic as he used to be. ",
-    "sen2": "8. George used to be more energetic"
-  },
-  {
-    "sen1": "9. If he doesn’t change his ways, he will end up in prisons. ",
-    "sen2": "9. Unless he changes his way, he will end up in prisons"
-  },
-  {
-    "sen1": "10. He didn’t do his homework, so he got bad marks today. ",
-    "sen2": "10. If he had done his homework, he would not have got bad marks today"
-  },
-  {
-    "sen1": "1. The ship was not surrendered until it was half burnt. ",
-    "sen2": "1. Before the ship was half burnt, it had not been surrendered"
-  },
-  {
-    "sen1": "2. The weather forecast was inaccurate, so we didn’t take the right precaution.                             ",
-    "sen2": "2. Had the weather forecast been accurate, we would have taken the right precaution"
-  },
-  {
-    "sen1": "3. The temperature didn’t fall below zero last night, so the crops weren’t damaged.             ",
-    "sen2": "3. If the temperature had fallen below zero last night, the crops would have been damaged"
-  },
-  {
-    "sen1": "4. Though I am poor, I’ll not serve a villain. ",
-    "sen2": "4. Poor as I am, I’ll not serve a villain"
-  },
-  {
-    "sen1": "5. Although I pay him much, this man is never satisfied. ",
-    "sen2": "5. However much I pay this man, he is never satisfied"
-  },
-  {
-    "sen1": "6. The mangoes are so cheap that they can not be good. ",
-    "sen2": "6. Since the mangoes are cheap, they can not be good"
-  },
-  {
-    "sen1": "7. You must speak slowly or he will not be able to understand you. ",
-    "sen2": "7. Unless you speak slowly, he will not able to understand you"
-  },
-  {
-    "sen1": "8. John always spoke to his lawyer before signing the contract. ",
-    "sen2": "8. John didn’t sign the contract without speaking to his lawyer"
-  },
-  {
-    "sen1": "9. Jane is the tallest girl in her class. ",
-    "sen2": "9. Nobody in Jane’s class is taller than her"
-  },
-  {
-    "sen1": "10. My suit needs cleaning before I go to the party. ",
-    "sen2": "10. I need to clean my suit before I go to the party"
-  },
-  {
-    "sen1": "1. Did they build the garage at the same as the house?",
-    "sen2": "1. Was the garage built at the same as the house?"
-  },
-  {
-    "sen1": "2. The people who were at the meeting will say nothing to the press. ",
-    "sen2": "2. Nobody who was at the meeting will say to the press"
-  },
-  {
-    "sen1": "3. The heavy rain made it impossible for us to have a picnic. ",
-    "sen2": "3. We were impossible to have a picnic because of the heavy rain"
-  },
-  {
-    "sen1": "4. Joan will stay on at school unless she finds a job before September. ",
-    "sen2": "4. If she doesn’t find a job before September, Joan will stay on at school"
-  },
-  {
-    "sen1": "5. I don’t really want to go out tonight. ",
-    "sen2": "5. I’d rather not go out tonight"
-  },
-  {
-    "sen1": "6. Shirley didn’t begin to read until she was eight. ",
-    "sen2": "6. It wasn’t until she was eight that Shirley began to read"
-  },
-  {
-    "sen1": "7. Lucy hasn’t worn that dress since Barbara’s wedding. ",
-    "sen2": "7. The last time Lucy worn that dress was at Barbara’s wedding"
-  },
-  {
-    "sen1": "8. Let’s go abroad for our holiday this year. ",
-    "sen2": "8. Why don’t we go abroad for our holiday this year?"
-  },
-  {
-    "sen1": "9. He is such a slowly speaker that his students get very bored. ",
-    "sen2": "9. He speaks so slowly that his students get very bored"
-  },
-  {
-    "sen1": "10. Mackenzie wrote four best-sellers before he was twenty. ",
-    "sen2": "10. By the age of twenty, Mackenzie had written four best-sellers"
-  },
-  {
-    "sen1": "1. She asked John how he liked her new dress. ",
-    "sen2": "1. “How do you like my new dress?” - She asked John"
-  },
-  {
-    "sen1": "2. A train leaves at eight every morning. ",
-    "sen2": "2. There is a train leaving at eight every morning"
-  },
-  {
-    "sen1": "3. He stole some money and was arrested for it. ",
-    "sen2": "3. He was arrested for stealing some money"
-  },
-  {
-    "sen1": "4. She met Mike when she went toSpainfor her holiday last year. ",
-    "sen2": "4. She wouldn’t have met Mike if she hadn’t gone toSpainfor her holiday last year"
-  },
-  {
-    "sen1": "5. Someone should do the job tomorrow. ",
-    "sen2": "5. The job should be done tomorrow"
-  },
-  {
-    "sen1": "6. I’ve never met a more dependent person than Roger. ",
-    "sen2": "6. Roger is the most dependent person I have ever met"
-  },
-  {
-    "sen1": "7. Somebody opened the door just after she rang the bell. ",
-    "sen2": "7. She has hardly rung the bell when somebody opened the door"
-  },
-  {
-    "sen1": "8. People say that he has been all over the world. ",
-    "sen2": "8. He is said to have been all over the world"
-  },
-  {
-    "sen1": "9. I have to write letters, but I hate it. ",
-    "sen2": "9. I hate having to write letters"
-  },
-  {
-    "sen1": "10. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "10. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "1. I have no advice to offer you. ",
-    "sen2": "1. I have no advice that is offered to you"
-  },
-  {
-    "sen1": "2. As the war ended, soldiers returned home. ",
-    "sen2": "2. The war ended and soldiers returned home"
-  },
-  {
-    "sen1": "3. It is said that he died by his own hand. ",
-    "sen2": "3. He is said to have died by his own hand"
-  },
-  {
-    "sen1": "4. Do as I tell that or you’ll regret about it. ",
-    "sen2": "4. Unless you do as I tell that, you’ll regret about it"
-  },
-  {
-    "sen1": "5. We must do our homework well or the master will get angry with us. ",
-    "sen2": "5. Unless you do our homework well, the master will get angry with us"
-  },
-  {
-    "sen1": "6. “Don’t forget to phone the office,” She told him. ",
-    "sen2": "6. She reminded him to phone the office"
-  },
-  {
-    "sen1": "7. I’m afraid I haven’t got time to listen to you. ",
-    "sen2": "7. I wish I had time to listen to you"
-  },
-  {
-    "sen1": "8. The police have just released John. ",
-    "sen2": "8. John has just been released by the police"
-  },
-  {
-    "sen1": "9. I couldn’t hear them because they were speaking too softly. ",
-    "sen2": "9. They were speaking too softly for us to hear"
-  },
-  {
-    "sen1": "10. We spent five hours getting toLondon. ",
-    "sen2": "10. It took us five hours to get toLondon"
-  },
-  {
-    "sen1": "1. The news of her son’s death was a great shock to her. ",
-    "sen2": "1. The news that her son died was a great shock to her"
-  },
-  {
-    "sen1": "2. “You can’t borrow my motorbike, Peter” Mary said. ",
-    "sen2": "2. Mary refused to lend Peter her motorbike"
-  },
-  {
-    "sen1": "3. He had written the problem on the blackboard. He solved it. ",
-    "sen2": "3. Hardly had he written the problem on the blackboard when he solved it"
-  },
-  {
-    "sen1": "4. He studied English. He also studied French. ",
-    "sen2": "4. Not only did he study English but also French"
-  },
-  {
-    "sen1": "5. We live far from our house. We miss it very much. ",
-    "sen2": "5. The farther we live from our house, the more we miss it"
-  },
-  {
-    "sen1": "6. You may be strong, but you can’t lift this heavy box. ",
-    "sen2": "6. No matter strong you are, you can’t lift this heavy box"
-  },
-  {
-    "sen1": "7. Jane weighs as much as her sister. ",
-    "sen2": "7. Jane is as heavy as her sister"
-  },
-  {
-    "sen1": "8. They were building a new shopping center when we came. ",
-    "sen2": "8. A new shopping center was being built when we came"
-  },
-  {
-    "sen1": "9. Are they going to demolish these old houses?",
-    "sen2": "9. Are these old houses going to be demolished?"
-  },
-  {
-    "sen1": "10. It was such bad coffee that he couldn’t drink it. ",
-    "sen2": "10. The coffee was so bad that he couldn’t drink it"
-  },
-  {
-    "sen1": "1. Weather conditions influence most crops. ",
-    "sen2": "1. Most crops are influenced by weather conditions"
-  },
-  {
-    "sen1": "2. You must not smoke in here. ",
-    "sen2": "2. Smoking is not allowed in here"
-  },
-  {
-    "sen1": "3. We had to spend three hours to open the door. ",
-    "sen2": "3. It took us three hours to open the door"
-  },
-  {
-    "sen1": "4. It was not until mid-night that I finished the homework. ",
-    "sen2": "4. I didn’t finish my homework until mid-night"
-  },
-  {
-    "sen1": "5. Is this the only way to reach the city center?",
-    "sen2": "5. Isn’t there another way to reach the city center?"
-  },
-  {
-    "sen1": "6. He remembered, and so did she. ",
-    "sen2": "6. He didn’t forget, and neither did she"
-  },
-  {
-    "sen1": "7. When the council going to do something about the city’s traffic problem?",
-    "sen2": "7. It’s high time something was done about the city’s traffic problem by the council"
-  },
-  {
-    "sen1": "8.  May I borrow your pen?",
-    "sen2": "8. Would you mind lending me your pen?"
-  },
-  {
-    "sen1": "9. “I’d take a taxi if I were you” said Peter. ",
-    "sen2": "9. Peter suggested I should take a taxi"
-  },
-  {
-    "sen1": "10. It is said that he escaped to a neutral country. ",
-    "sen2": "10. He is said to have escaped to a neutral country"
-  },
-  {
-    "sen1": "1. My sister has studied French for two years. ",
-    "sen2": "1. My sister began studying English two years ago"
-  },
-  {
-    "sen1": "2. Mr. Dean was one of the customers of Mr. Brown’s bank. His house was for sale. ",
-    "sen2": "2. Mr. Dean, whose house was for sale, was one of the customers of Mr. Brown’s bank. "
-  },
-  {
-    "sen1": "3. Mr. Smith’s company is busier in December than in other months. ",
-    "sen2": "3. December is the busiest month of Mr. Smith’s company"
-  },
-  {
-    "sen1": "4. Mary didn’t work hard enough. She failed in her exams. ",
-    "sen2": "4. If Mary had worked hard, she would not have failed in her exams"
-  },
-  {
-    "sen1": "5. The train was delayed for twenty minutes because of the bad weather. ",
-    "sen2": "5. Because the weather was bad, the train was delayed for twenty minutes"
-  },
-  {
-    "sen1": "6. John only understood very little of what the teacher said.  ",
-    "sen2": "6. John couldn’t hardly understand what the teacher said"
-  },
-  {
-    "sen1": "7. Unless someone has a key, we can’t get into the house. ",
-    "sen2": "7. We can only get into the house if someone has a key"
-  },
-  {
-    "sen1": "8. I’m sure you didn’t lock the front door. Here’s the key. ",
-    "sen2": "8. You can’t have locked the front door. Here’s the key"
-  },
-  {
-    "sen1": "9. He prefers golf to tennis. ",
-    "sen2": "9. He’d rather play golf than tennis"
-  },
-  {
-    "sen1": "10. He is sorry now that he didn’t invite Molly to his party. ",
-    "sen2": "10. He wishes he had invited Molly to his party"
-  },
-  {
-    "sen1": "1. I was sorry I didn’t know how to do it. ",
-    "sen2": "1. I wish I had known how to do it"
-  },
-  {
-    "sen1": "2. Spare the rod and spoil the child. ",
-    "sen2": "2. If a child is spared punishment, he will be spoilt"
-  },
-  {
-    "sen1": "3. He didn’t need to be reminded about it. ",
-    "sen2": "3. It wasn’t necessary to remind him about it. "
-  },
-  {
-    "sen1": "4. These shoes will have to be repaired. ",
-    "sen2": "4. They will have these shoes repaired"
-  },
-  {
-    "sen1": "5. I love music although I can’t play any musical instrument. ",
-    "sen2": "5. Despite the fact that I can’t play any instrument, I love music"
-  },
-  {
-    "sen1": "6. “How long has it been since you left this city, Bob?”",
-    "sen2": "6. He wanted to know how long it had been since Bob left this city"
-  },
-  {
-    "sen1": "7. Rich family tends to send their children to private schools. ",
-    "sen2": "7. Children of rich family tend to be sent to private school"
-  },
-  {
-    "sen1": "8. He had no sooner got home than it began to rain. ",
-    "sen2": "8. No sooner had he got home than it began to rain"
-  },
-  {
-    "sen1": "9. The children are taken home by bus. Their parents work late. ",
-    "sen2": "9. The children whose parents work late are taken home by bus"
-  },
-  {
-    "sen1": "10. He laughs. Perhaps he has done the exam successfully. ",
-    "sen2": "10. He laughs as if he had done the exam successfully"
-  },
-  {
-    "sen1": "1. It was so late that nothing could be done. ",
-    "sen2": "1. It was too late to do anything"
-  },
-  {
-    "sen1": "2. ‘I don’t think John will come,’ Said Bill. ",
-    "sen2": "2. Bill doubted if John would come"
-  },
-  {
-    "sen1": "3. I’m sorry that I didn’t finish my homework last night. ",
-    "sen2": "3. I wish I had finished my homework last night"
-  },
-  {
-    "sen1": "4. There was never any answer when we rang. ",
-    "sen2": "4. Every time we rang, there was not any answer"
-  },
-  {
-    "sen1": "5. ‘Why don’t you put a better lock on the door, Barry?’ said John.                                          ",
-    "sen2": "5. John suggested Barry should put a better lock on the door"
-  },
-  {
-    "sen1": "6. You can visit theUnited Statesunless you get a visa. ",
-    "sen2": "6. If you do not get a visa, you can visit the United"
-  },
-  {
-    "sen1": "7. I’m always nervous when I travel by air. ",
-    "sen2": "7. Traveling by air always makes me nervous"
-  },
-  {
-    "sen1": "8. John only understood a little of what the teacher said. ",
-    "sen2": "8. John could hardly understand what the teacher said"
-  },
-  {
-    "sen1": "9. Unless he phone immediately he won’t get any information. ",
-    "sen2": "9. If he does not phone immediately, he won’t get any information"
-  },
-  {
-    "sen1": "10. “Why didn’t I get a computer before?” Thought the office manager. ",
-    "sen2": "10. The office manager wondered why he had not got a computer before"
-  },
-  {
-    "sen1": "1. He built a house that is the finest in the village. ",
-    "sen2": "1. He built a house and that is the finest in the village"
-  },
-  {
-    "sen1": "2. As soon as the teacher came in, they stopped talking. ",
-    "sen2": "2. No sooner had the teacher come in than they stopped talking"
-  },
-  {
-    "sen1": "3. He left college after he had taken his degree. ",
-    "sen2": "3. He hadn’t left college before he took his degree"
-  },
-  {
-    "sen1": "4. It is better to wear out than rush out. ",
-    "sen2": "4. To rush out is not as good as to wear out"
-  },
-  {
-    "sen1": "5. Spare the rod and spoil the child. ",
-    "sen2": "5. If the child is spared punishment, he will be spoilt"
-  },
-  {
-    "sen1": "6. No other town inIndiais as large asCalcutta. ",
-    "sen2": "6. Calcuttais the largest town inIndia"
-  },
-  {
-    "sen1": "7. Who taught you grammar last year?",
-    "sen2": "7. By whom were you taught grammar?"
-  },
-  {
-    "sen1": "8. Promises should be kept. ",
-    "sen2": "8. One should keep promise"
-  },
-  {
-    "sen1": "9. It’s time to prepare lunch. ",
-    "sen2": "9. It’s time for lunch to be prepared"
-  },
-  {
-    "sen1": "1. Peter is a careless driver. If he doesn’t take more care, he will have an accident. ",
-    "sen2": "1. Unless Peter takes more care, he will have an accident"
-  },
-  {
-    "sen1": "2. The little boy crossed the street although the traffic was heavy. ",
-    "sen2": "2. In spite of the heavy traffic, the little boy crossed the street"
-  },
-  {
-    "sen1": "3. We couldn’t answer the question because it was very hard. ",
-    "sen2": "3. The question couldn’t be answered by us because it was very hard"
-  },
-  {
-    "sen1": "4. He could not drive it. He could not sell it. He could not even give it away. ",
-    "sen2": "4. He could neither drive, sell nor give it away"
-  },
-  {
-    "sen1": "5. He should always abbey his parents. ",
-    "sen2": "5. Never shouldn’t him abbey his parents"
-  },
-  {
-    "sen1": "6. I’m sorry I was rude to you yesterday. ",
-    "sen2": "6. I apologize for being rude to you yesterday"
-  },
-  {
-    "sen1": "7. Although his leg was broken he managed to get out of the car. ",
-    "sen2": "7. In spite of his broken leg, he managed to get out of the car"
-  },
-  {
-    "sen1": "8. Nobody can deny that she has a beautiful voice. ",
-    "sen2": "8. It can’t be denied that she has a beautiful voice"
-  },
-  {
-    "sen1": "9. She likedParisa little andRomeless. ",
-    "sen2": "9. She thoughtRomewas worse thanParis"
-  },
-  {
-    "sen1": "10. After fighting the fire for 12 hours the firemen succeeded in putting it out. ",
-    "sen2": "10. The firemen managed to put it out after fighting the fire for 12 hours"
-  },
-  {
-    "sen1": "1. The children should be working now. ",
-    "sen2": "1. It is time the children worked"
-  },
-  {
-    "sen1": "2. They made him wait for two hours. ",
-    "sen2": "2. He was made to wait for two hours"
-  },
-  {
-    "sen1": "3. The police made the boat turn back. ",
-    "sen2": "3. The boat was made to turn back by the police"
-  },
-  {
-    "sen1": "4. I’d rather you smoked in here. ",
-    "sen2": "4. Would you please smoke in here?"
-  },
-  {
-    "sen1": "5. If I had known all the facts, I would not have rung the police. ",
-    "sen2": "5. As I didn’t know all the facts, I didn’t ring the police"
-  },
-  {
-    "sen1": "6. We shall notify the police about this matter. ",
-    "sen2": "6. The police shall be notified about this matter by us"
-  },
-  {
-    "sen1": "7. Galileo is considered to be the father of modern astronomy. ",
-    "sen2": "7. Galileo is regarded as the father of modern astronomy"
-  },
-  {
-    "sen1": "8. The value ofSterlinghad fallen considerably in the past week. ",
-    "sen2": "8. There has been a considerable fall in the value of Sterlingin the past week"
-  },
-  {
-    "sen1": "9. That dress has only the slightest mark on it. ",
-    "sen2": "9. I can barely see any mark on that dress"
-  },
-  {
-    "sen1": "10. I have never seen such a mess in my life. ",
-    "sen2": "10. It is the first time I have seen such a mess in my life"
-  },
-  {
-    "sen1": "1. I can remember an equally mysterious incident",
-    "sen2": "1. I can remember an incident just as mysterious as this"
-  },
-  {
-    "sen1": "2. He was a fool to say that. ",
-    "sen2": "2. It was fool of him to say that"
-  },
-  {
-    "sen1": "3. I haven’t been to a cricket match for years. ",
-    "sen2": "3. It’s years since I went to a cricket"
-  },
-  {
-    "sen1": "4. It wasn’t necessary for you to go to so much trouble on my behalf. ",
-    "sen2": "4. You needn’t go to so much trouble on my behalf"
-  },
-  {
-    "sen1": "5. Because there was a late frost, much of the crop was spoiled. ",
-    "sen2": "5. A frost, which is late, spoiled much of the crop"
-  },
-  {
-    "sen1": "6. I lent my car to that man. ",
-    "sen2": "6. That’s that man who I lent the car"
-  },
-  {
-    "sen1": "7. He does a lot of work in the evening. ",
-    "sen2": "7. He works very hard in the evening"
-  },
-  {
-    "sen1": "8. I’m going to the theater tomorrow, and I’m really looking forward to it. ",
-    "sen2": "8. I really looking forward to going to the theater tomorrow"
-  },
-  {
-    "sen1": "9. My brother and I both went to that school. ",
-    "sen2": "9. I went to that school, and my brother did, too"
-  },
-  {
-    "sen1": "10. I wasn’t there at that time. ",
-    "sen2": "10. I denied being there at that time"
-  },
-  {
-    "sen1": "1. The policeman accused him for stealing that bicycle. ",
-    "sen2": "1. “You stole that bicycle” - the policeman said to him"
-  },
-  {
-    "sen1": "2. He will be better if he takes that medicine. ",
-    "sen2": "2. Unless you don’t want to keep fit, you must play sports"
-  },
-  {
-    "sen1": "3. Mosquitoes cause malaria and this is well-known. ",
-    "sen2": "3. That mosquitoes cause malaria is well-known"
-  },
-  {
-    "sen1": "4. Life is short; yet we still waste a lot of time. ",
-    "sen2": "4. Though life is short, we waste a lot of time"
-  },
-  {
-    "sen1": "5. If you want to keep fit, you must play sports. ",
-    "sen2": "5. Unless you don’t want to keep fit, you must play sports"
-  },
-  {
-    "sen1": "6. Mr. Hill teaches his students to understand different English accents. ",
-    "sen2": "6. Mr. Hill’s students are taught to understand different English accents by him"
-  },
-  {
-    "sen1": "7. It was such a boring film that we left before the end. ",
-    "sen2": "7. The film was so boring that we left before the end"
-  },
-  {
-    "sen1": "8. Robert and Catherine have been married for four years. ",
-    "sen2": "8. It’s four years since Robert and Catherine are married"
-  },
-  {
-    "sen1": "9. Elizabeth got a bad cough because she started smoking cigarettes. ",
-    "sen2": "9. IfElizabethhadn’t smoked cigarettes, she would not have got a bad cough"
-  },
-  {
-    "sen1": "10. ‘Can I have a new bicycle?’ said Anna to her mother. ",
-    "sen2": "10. Anna asked if she could have a new bicycle"
-  },
-  {
-    "sen1": "1. The first course of the meal was a wonderful fish soup. ",
-    "sen2": "1. The meal began with a wonderful fish soup"
-  },
-  {
-    "sen1": "2. I had met Brian before but had never really talked to him. ",
-    "sen2": "2. Although I had met Brian before, I had never really talked to him"
-  },
-  {
-    "sen1": "3. I am sure it wasn’t Hilary’s fault. ",
-    "sen2": "3. It can’t have been Hilary’s fault"
-  },
-  {
-    "sen1": "4. Unfortunately, Mr. Baker didn’t tell me until it was too late. ",
-    "sen2": "4. I wish Mr. Barker had told me until it was too late"
-  },
-  {
-    "sen1": "5. I don’t think it’s a good idea for you to go out this evening. ",
-    "sen2": "5. I’d rather you didn’t go out this evening"
-  },
-  {
-    "sen1": "6. It is impossible to learn a foreign language in a week. ",
-    "sen2": "6. Learning a foreign language in a week is impossible"
-  },
-  {
-    "sen1": "7. I like detective stories. ",
-    "sen2": "7. I am fond of detective stories"
-  },
-  {
-    "sen1": "8. He is not here now. ",
-    "sen2": "8. I wish he were here now"
-  },
-  {
-    "sen1": "9. “Where has he been?” She doesn’t know that. ",
-    "sen2": "9. She doesn’t know where he has been. "
-  },
-  {
-    "sen1": "10. Has anyone told you about it yet?",
-    "sen2": "10. Have you been told about it yet?"
-  },
-  {
-    "sen1": "1. It took us three hours to open the door. ",
-    "sen2": "1. We spent three hours opening the door"
-  },
-  {
-    "sen1": "2. His mother wouldn’t allow him to go out. ",
-    "sen2": "2. He would not be allowed to go out by his mother"
-  },
-  {
-    "sen1": "3. He’ll never forget waiting for his friends to go to school. ",
-    "sen2": "3. He’ll always remember waiting for his friends to go to school"
-  },
-  {
-    "sen1": "4. ‘Let’s go for a walk in the park’, said Andrews. ",
-    "sen2": "4. Andrews suggested that they should do for a walk in the park"
-  },
-  {
-    "sen1": "5. His second attempt on the world record was successful. ",
-    "sen2": "5. He broke the world record in his second attempt"
-  },
-  {
-    "sen1": "6. He said ‘I wish I knew the answer’. ",
-    "sen2": "6. He said that he wished he knew the answer"
-  },
-  {
-    "sen1": "7. He wished he hadn’t spent so much money. ",
-    "sen2": "7. He was sorry for spending so much money"
-  },
-  {
-    "sen1": "8. He said ‘good luck’",
-    "sen2": "8. He wished me luck"
-  },
-  {
-    "sen1": "9. I applied for the job but was turned down. ",
-    "sen2": "9. My application for the job was turned down"
-  },
-  {
-    "sen1": "10. ‘Please don’t drive so fast’ Ann begged her boy friend. ",
-    "sen2": "10. Ann pleaded with her boy friend not to drive so fast"
-  },
-  {
-    "sen1": "1. John Speck failed to find the source of the riverNile. ",
-    "sen2": "1. John Speck did not succeed in finding the source of the riverNile"
-  },
-  {
-    "sen1": "2. Maria didn’t apply for the job in the library and regrets it now. ",
-    "sen2": "2. Maria wishes she had applied for the job in the library"
-  },
-  {
-    "sen1": "3. Although he did not speak Dutch, Bob decided to settle inAmsterdam. ",
-    "sen2": "3. In spite of not speaking Dutch, Bob decided to settle inAmsterdam"
-  },
-  {
-    "sen1": "4. Handicapped people find shopping in supermarket difficult. ",
-    "sen2": "4. It is difficult for handicapped people to find shopping tin supermarket"
-  },
-  {
-    "sen1": "5. Sally’s parents gave her a micro-computer for her birthday. ",
-    "sen2": "5. Sally was given a micro-computer for her birthday by her parents"
-  },
-  {
-    "sen1": "6. Don’t blame me if the tin- opener’s broken. ",
-    "sen2": "6.  It’s not my fault if the tin- opener’s broken"
-  },
-  {
-    "sen1": "7. Barbara plays squash better than Mike. ",
-    "sen2": "7. Mike doesn’t play squash as well as Barbara"
-  },
-  {
-    "sen1": "8. Whose suitcase is this?",
-    "sen2": "8. Who does this suitcase belong to?"
-  },
-  {
-    "sen1": "9. Although he had a bad cold. William still went to work. ",
-    "sen2": "9. In spite of having a bad cold, William went to work"
-  },
-  {
-    "sen1": "10. The train journey fromLondontoBristoltakes two hours. ",
-    "sen2": "10. It is a two-hour train journey fromLondontoBristol"
-  },
-  {
-    "sen1": "1. The lecturer didn’t prepare his speech carefully, so he did it very badly. ",
-    "sen2": "1. If the lecturer had prepared his speech carefully, he would not have done it very badly"
-  },
-  {
-    "sen1": "2. The gardener didn’t water those plants yesterday, so they died. ",
-    "sen2": "2. If the gardener had watered those plants yesterday, they would not have died"
-  },
-  {
-    "sen1": "3. It was such dry bread that my grand father couldn’t cut it. ",
-    "sen2": "3. The bread was so bread that my grand father couldn’t cut it"
-  },
-  {
-    "sen1": "4. My sister can’t cook as well as my mother does. ",
-    "sen2": "4. My mother cooks better than my sister does"
-  },
-  {
-    "sen1": "5. Although the weather was bad, the schoolchildren managed to come to class on time. ",
-    "sen2": "5. In spite of the bad weather, the schoolchildren managed to come to class on time. "
-  },
-  {
-    "sen1": "6. ‘I don’t think John will come’ said Bill. ",
-    "sen2": "6. Bill doubted if John would come"
-  },
-  {
-    "sen1": "7. The post man was bitten by our dog. ",
-    "sen2": "7. Our dog bit the post man"
-  },
-  {
-    "sen1": "8. We couldn’t drive because of the fog. ",
-    "sen2": "8. The fog prevented us from driving"
-  },
-  {
-    "sen1": "9. Although his leg was broken he managed to get out of the car. ",
-    "sen2": "9. In spite of his broken leg, he managed to get out of the car"
-  },
-  {
-    "sen1": "10. There is no better teacher in this school than Miss Jones. ",
-    "sen2": "10. Miss Jones is the best teacher in this school"
-  },
-  {
-    "sen1": "1. I don’t want Sally to be angry with you. I suggest that you apologize her. ",
-    "sen2": "1. You’d better apologize to Sally"
-  },
-  {
-    "sen1": "2. You might fall if you’re not careful. ",
-    "sen2": "2. Be careful or you will fail"
-  },
-  {
-    "sen1": "3. Mrs. Edward is the owner of the car. ",
-    "sen2": "3. That car belongs to Mrs. Edward"
-  },
-  {
-    "sen1": "4. The station clock showed half past ten. ",
-    "sen2": "4. According to the station clock, it was half past ten"
-  },
-  {
-    "sen1": "5. Henry found a wallet with no name in it. ",
-    "sen2": "5. The wallet was found with no name in it by Henry"
-  },
-  {
-    "sen1": "6. Ronald denied stealing Mrs. Clark’s handbag. ",
-    "sen2": "6. Ronald said that he did not steal Mrs. Clark’s handbag"
-  },
-  {
-    "sen1": "7. Susan likes staying in hotels but she prefers camping. ",
-    "sen2": "7. Susan doesn’t like staying in hotels as much as camping"
-  },
-  {
-    "sen1": "8. The fridge was so heavy that we couldn’t move it. ",
-    "sen2": "8. The fridge was too heavy for us to move"
-  },
-  {
-    "sen1": "9. ‘John, please don’t tell anyone about my new dress. ",
-    "sen2": "9. Mary asked John not to tell anyone about her new dress"
-  },
-  {
-    "sen1": "10. Sally speaks English quite fluently. ",
-    "sen2": "10. Sally’s English is quite fluent"
-  },
-  {
-    "sen1": "1. Because his secretary was out to lunch. Mr.  Andersonanswered Bill’s call. ",
-    "sen2": "1. Bill’s call was answered by Mr. Anderson because his secretary was out to lunch"
-  },
-  {
-    "sen1": "2. Security guard made the boys go outside. ",
-    "sen2": "2. The boys was made to go outside by security guard"
-  },
-  {
-    "sen1": "3. Ali has studied not only in theUSbut also inEurope. ",
-    "sen2": "3. Ali has studied in both theUSandEurope"
-  },
-  {
-    "sen1": "4. It was not his wife but his sister who called. ",
-    "sen2": "4. His sister called"
-  },
-  {
-    "sen1": "5. We were no more surprised than Jane. ",
-    "sen2": "5. We were as surprised as Jane"
-  },
-  {
-    "sen1": "6. But for his help, I would have gone bankrupt. ",
-    "sen2": "6. If it hadn’t been for his help, I would have gone bankrupt. "
-  },
-  {
-    "sen1": "7. Tim found that his friends had arrived when he reached the station. ",
-    "sen2": "7. After Tim’s friends had arrived, he reached the station"
-  },
-  {
-    "sen1": "8. I expect that he will get there by lunchtime. ",
-    "sen2": "8. I expect him to get there by lunchtime"
-  },
-  {
-    "sen1": "9. In spite of my careful plans, a lot of things went wrong. ",
-    "sen2": "9. Although my plans are careful, a lot of things went wrong"
-  },
-  {
-    "sen1": "10. As he has behaved badly, he must be punished. ",
-    "sen2": "10. Because of his bad behavior, he must be punished. "
-  },
-  {
-    "sen1": "1. The house seemed to have been unoccupied for several years. ",
-    "sen2": "1. It looked as if the house had been unoccupied for several years"
-  },
-  {
-    "sen1": "2. The police was informed of the identify of the murdered man. ",
-    "sen2": "2. The identify of the murdered man was informed to the police"
-  },
-  {
-    "sen1": "3. The fisherman’s life was one of great poverty. ",
-    "sen2": "3. Throughout his life the fisherman was very poor"
-  },
-  {
-    "sen1": "4. The keepers feed the lion at 3 p. m everyday. ",
-    "sen2": "4. The lion is fed at 3 p. m everyday by the keepers"
-  },
-  {
-    "sen1": "5. We got lost because we didn’t have a map. ",
-    "sen2": "5. If we had had the map, we would not have got lost"
-  },
-  {
-    "sen1": "6. I would prefer you to deliver the so far on Friday. ",
-    "sen2": "6. I would rather you delivered the sofa on Friday"
-  },
-  {
-    "sen1": "7. Without the sun, there would be no kinds of energy. ",
-    "sen2": "7. If there were no sun, there would be no kinds of energy"
-  },
-  {
-    "sen1": "8. In spite of the bad weather, the pilot will bring the plane down safely. ",
-    "sen2": "8. Though the weather is bad, the pilot will bring the plane down safely. "
-  },
-  {
-    "sen1": "9. Fossil fuel will be more expensive if the scientists don’t get energy from the sun and wind. ",
-    "sen2": "9. Unless the scientists get energy from the sun and wind, Fossil fuel will be more expensive"
-  },
-  {
-    "sen1": "10. She decided to accept the job despite the slow salary. ",
-    "sen2": "10. Although the salary was slow, she decided to accept the job"
-  }
-]
\ No newline at end of file