27
grammar
× 34 |
6
phrasal-verbs
|
3
compounds
|
2
phrases
× 2 |
18
meaning-in-context
× 13 |
5
present-continuous
× 3 |
3
learning
|
2
gerunds
× 2 |
17
meaning
× 12 |
5
word-order
× 3 |
3
past-vs-past-perfect
|
2
synonyms
× 2 |
17
verbs
× 9 |
4
future-tense
× 5 |
3
subject-verb-agreement
|
2
countable-nouns
× 2 |
15
word-choice
× 5 |
4
sentence-meaning
× 5 |
3
hyphens
|
2
plural-forms
|
11
word-usage
× 12 |
4
present-perfect
× 4 |
2
past-tense
× 11 |
2
questions
|
9
phrase-meaning
× 7 |
4
modal-verbs
× 3 |
2
tense
× 11 |
2
commas
|
9
word-meaning
× 7 |
4
articles
× 3 |
2
phrase-usage
× 4 |
2
sarcasm
|
9
grammaticality-in-context
× 6 |
4
difference
× 3 |
2
word-difference
× 3 |
2
negation
|
9
passive-voice
× 5 |
4
conditional-constructions
× 3 |
2
uncountable-nouns
× 2 |
2
gender
|
9
singular-vs-plural
× 4 |
3
past-perfect
× 4 |
2
exam-questions
× 2 |
2
interrogatives
|
7
sentence-construction
× 7 |
3
genderless-pronouns
× 2 |
2
past-continuous
× 2 |
2
syntax
|
7
indefinite-article
× 2 |
3
vocabulary
× 2 |
2
adjectives
× 2 |
2
translation
|