id
int64
0
1,000k
level
stringclasses
4 values
category
stringclasses
3 values
task_type
stringclasses
13 values
instruction
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23 values
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rule
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65 values
0
A2
vocabulary
definition
Define word.
What does 'cat' mean?
cat: small domesticated mammal.
definition
1
A2
grammar
tense_past
Convert to simple past tense.
We speak the work.
We spoke the work.
speak->spoke
2
A2
grammar
question_formation
Convert to yes/no question.
You see the country.
Do you see the country?
do/does inversion
3
A2
grammar
error_correction
Correct grammar.
She go to school.
She goes to school.
He/She + s
4
A1
vocabulary
pluralization
Convert to plural.
I have one box.
I have two boxes.
box->boxes
5
A1
grammar
article_usage
Correct article.
I saw book.
I saw a book.
use a
6
A2
grammar
tense_past
Convert to simple past tense.
She goes the time.
She went the time.
go->went
7
B1
vocabulary
synonym
Provide synonym.
Word: happy
Synonym: joyful
happy=joyful
8
B1
vocabulary
synonym
Provide synonym.
Word: fast
Synonym: quick
fast=quick
9
A2
grammar
error_correction
Correct grammar.
She go to school.
She goes to school.
He/She + s
10
B1
vocabulary
synonym
Provide synonym.
Word: smart
Synonym: intelligent
smart=intelligent
11
A2
grammar
question_formation
Convert to yes/no question.
He makes the cat.
Does he make the cat?
do/does inversion
12
A1
grammar
contraction
Use contraction.
You are happy.
You're happy.
You are->You're
13
A2
grammar
error_correction
Correct grammar.
I has a book.
I have a book.
I have vs has
14
B1
grammar
comparative
Convert to comparative.
The woman is fast.
The day is faster than the student.
fast->faster
15
A1
vocabulary
pluralization
Convert to plural.
I have one woman.
I have two women.
woman->women
16
A1
vocabulary
pluralization
Convert to plural.
I have one man.
I have two men.
man->men
17
B2
syntax
active_passive
Convert to passive.
The teacher built the team.
The book was built by the teacher.
was + pp
18
A2
grammar
error_correction
Correct grammar.
I has a book.
I have a book.
I have vs has
19
A1
vocabulary
pluralization
Convert to plural.
I have one woman.
I have two women.
woman->women
20
A1
vocabulary
pluralization
Convert to plural.
I have one person.
I have two people.
person->people
21
B1
grammar
comparative
Convert to comparative.
The food is bad.
The man is worse than the car.
bad->worse
22
A2
grammar
tense_past
Convert to simple past tense.
She builds the world.
She built the world.
build->built
23
A1
vocabulary
pluralization
Convert to plural.
I have one city.
I have two cities.
city->cities
24
A1
vocabulary
pluralization
Convert to plural.
I have one woman.
I have two women.
woman->women
25
B1
grammar
comparative
Convert to comparative.
The science is important.
The people is more important than the company.
important->more important
26
B2
syntax
active_passive
Convert to passive.
The teacher ran the woman.
The friend was run by the teacher.
was + pp
27
B1
grammar
comparative
Convert to comparative.
The language is small.
The science is smaller than the company.
small->smaller
28
B1
vocabulary
synonym
Provide synonym.
Word: fast
Synonym: quick
fast=quick
29
A2
grammar
negation
Make negative.
They make the system.
They do not make the system.
do not + base
30
A2
vocabulary
definition
Define word.
What does 'book' mean?
book: written work of pages.
definition
31
A2
vocabulary
definition
Define word.
What does 'language' mean?
language: system of human communication.
definition
32
A1
grammar
contraction
Use contraction.
I am happy.
I'm happy.
I am->I'm
33
A2
grammar
question_formation
Convert to yes/no question.
You find the eye.
Do you find the eye?
do/does inversion
34
A1
grammar
article_usage
Correct article.
I saw system.
I saw a system.
use a
35
A1
vocabulary
pluralization
Convert to plural.
I have one city.
I have two cities.
city->cities
36
B1
vocabulary
antonym
Provide antonym.
Word: happy
Antonym: sad
happy<->sad
37
A2
grammar
question_formation
Convert to yes/no question.
They build the thing.
Do they build the thing?
do/does inversion
38
A2
vocabulary
definition
Define word.
What does 'water' mean?
water: clear liquid essential for life.
definition
39
A2
grammar
negation
Make negative.
She reads the work.
She does not read the work.
does not + base
40
A2
grammar
error_correction
Correct grammar.
She go to school.
She goes to school.
He/She + s
41
B1
grammar
comparative
Convert to comparative.
The music is easy.
The thing is easier than the people.
easy->easier
42
A2
grammar
question_formation
Convert to yes/no question.
They see the teacher.
Do they see the teacher?
do/does inversion
43
A1
grammar
contraction
Use contraction.
I am happy.
I'm happy.
I am->I'm
44
A1
vocabulary
pluralization
Convert to plural.
I have one book.
I have two books.
book->books
45
A2
vocabulary
definition
Define word.
What does 'book' mean?
book: written work of pages.
definition
46
A1
grammar
contraction
Use contraction.
Cannot happy.
Can't happy.
Cannot->Can't
47
B1
vocabulary
antonym
Provide antonym.
Word: hot
Antonym: cold
hot<->cold
48
A1
grammar
article_usage
Correct article.
I saw way.
I saw a way.
use a
49
B1
vocabulary
antonym
Provide antonym.
Word: easy
Antonym: difficult
easy<->difficult
50
B1
vocabulary
synonym
Provide synonym.
Word: big
Synonym: large
big=large
51
B1
vocabulary
synonym
Provide synonym.
Word: happy
Synonym: joyful
happy=joyful
52
A2
vocabulary
definition
Define word.
What does 'cat' mean?
cat: small domesticated mammal.
definition
53
A2
vocabulary
definition
Define word.
What does 'language' mean?
language: system of human communication.
definition
54
A1
grammar
contraction
Use contraction.
Do not happy.
Don't happy.
Do not->Don't
55
A1
vocabulary
pluralization
Convert to plural.
I have one child.
I have two children.
child->children
56
A1
grammar
article_usage
Correct article.
I saw company.
I saw a company.
use a
57
A1
grammar
preposition
Use preposition in
The book is ___ the table.
The book is in the table.
prep in
58
A2
grammar
error_correction
Correct grammar.
She go to school.
She goes to school.
He/She + s
59
B1
grammar
comparative
Convert to comparative.
The phone is fast.
The student is faster than the science.
fast->faster
60
B1
grammar
comparative
Convert to comparative.
The house is happy.
The people is happier than the company.
happy->happier
61
B1
vocabulary
synonym
Provide synonym.
Word: happy
Synonym: joyful
happy=joyful
62
B1
vocabulary
antonym
Provide antonym.
Word: happy
Antonym: sad
happy<->sad
63
A1
grammar
preposition
Use preposition in
The book is ___ the table.
The book is in the table.
prep in
64
A1
vocabulary
pluralization
Convert to plural.
I have one man.
I have two men.
man->men
65
A1
grammar
contraction
Use contraction.
Do not happy.
Don't happy.
Do not->Don't
66
A2
grammar
question_formation
Convert to yes/no question.
She eats the food.
Does she eat the food?
do/does inversion
67
A1
vocabulary
pluralization
Convert to plural.
I have one dog.
I have two dogs.
dog->dogs
68
A2
grammar
error_correction
Correct grammar.
I has a book.
I have a book.
I have vs has
69
A1
vocabulary
pluralization
Convert to plural.
I have one person.
I have two people.
person->people
70
A1
grammar
contraction
Use contraction.
You are happy.
You're happy.
You are->You're
71
A2
grammar
negation
Make negative.
They build the mountain.
They do not build the mountain.
do not + base
72
A2
grammar
negation
Make negative.
They read the woman.
They do not read the woman.
do not + base
73
B1
vocabulary
synonym
Provide synonym.
Word: fast
Synonym: quick
fast=quick
74
A2
grammar
error_correction
Correct grammar.
I has a book.
I have a book.
I have vs has
75
A2
vocabulary
definition
Define word.
What does 'language' mean?
language: system of human communication.
definition
76
A1
grammar
preposition
Use preposition for
The book is ___ the table.
The book is for the table.
prep for
77
A1
grammar
preposition
Use preposition on
The book is ___ the table.
The book is on the table.
prep on
78
A2
grammar
question_formation
Convert to yes/no question.
You write the day.
Do you write the day?
do/does inversion
79
A2
grammar
tense_past
Convert to simple past tense.
My friend learns the time.
My friend learned the time.
learn->learned
80
B1
vocabulary
antonym
Provide antonym.
Word: big
Antonym: small
big<->small
81
A2
grammar
tense_past
Convert to simple past tense.
I go the time.
I went the time.
go->went
82
A1
vocabulary
pluralization
Convert to plural.
I have one cat.
I have two cats.
cat->cats
83
B2
syntax
active_passive
Convert to passive.
The teacher went the phone.
The work was gone by the teacher.
was + pp
84
B1
grammar
comparative
Convert to comparative.
The woman is important.
The river is more important than the water.
important->more important
85
A2
grammar
error_correction
Correct grammar.
She go to school.
She goes to school.
He/She + s
86
B1
vocabulary
antonym
Provide antonym.
Word: easy
Antonym: difficult
easy<->difficult
87
A2
grammar
question_formation
Convert to yes/no question.
They think the life.
Do they think the life?
do/does inversion
88
A2
grammar
question_formation
Convert to yes/no question.
You go the friend.
Do you go the friend?
do/does inversion
89
A1
grammar
article_usage
Correct article.
I saw year.
I saw a year.
use a
90
A1
grammar
article_usage
Correct article.
I saw life.
I saw a life.
use a
91
A1
grammar
preposition
Use preposition in
The book is ___ the table.
The book is in the table.
prep in
92
A2
vocabulary
definition
Define word.
What does 'cat' mean?
cat: small domesticated mammal.
definition
93
A2
grammar
tense_past
Convert to simple past tense.
They take the student.
They took the student.
take->took
94
A2
grammar
question_formation
Convert to yes/no question.
She writes the river.
Does she write the river?
do/does inversion
95
A1
grammar
preposition
Use preposition at
The book is ___ the table.
The book is at the table.
prep at
96
A1
grammar
article_usage
Correct article.
I saw child.
I saw a child.
use a
97
B1
grammar
comparative
Convert to comparative.
The work is important.
The car is more important than the question.
important->more important
98
A1
grammar
contraction
Use contraction.
I am happy.
I'm happy.
I am->I'm
99
A2
grammar
tense_past
Convert to simple past tense.
My friend builds the cat.
My friend built the cat.
build->built