39
grammaticality
× 5 |
5
present-participles
|
2
tense
|
1
sentence-construction
|
13
grammar
× 8 |
4
comparative
× 2 |
2
questions
|
1
syntax
|
10
word-difference
× 4 |
4
past-tense
× 2 |
2
adverbs
|
1
modifiers
|
10
meaning-in-context
× 2 |
4
articles
× 2 |
2
countability
|
1
usage
|
9
prepositions
× 7 |
4
pronouns
|
2
possessives
|
1
prepositional-phrases
|
8
word-meaning
× 2 |
4
grammatical-number
|
2
time
|
1
phrase-usage
|
7
meaning
× 5 |
4
word-usage
|
2
relative-adverbs
|
0
present-perfect
× 2 |
7
definite-article
× 4 |
3
sentence-structure
× 2 |
2
difference
|
0
sequence-of-tenses
|
7
word-choice
× 3 |
3
word-in-context
|
2
past-vs-present-perfect
|
0
past-continuous
|
7
expressions
× 2 |
3
infinitives
|
2
zero-article
|
0
personal-pronouns
|
5
verbs
× 4 |
3
vocabulary
|
2
confusable
|
0
british-english
|
5
indefinite-article
× 2 |
2
spoken-english
× 2 |
1
sentence-meaning
× 2 |
0
case
|
5
american-english
|
2
reported-speech
|
1
grammaticality-in-context
|
0
verb-usage
|
