[ Subject-Verb Agreement ]
The word “can” expresses _______. It’s past tense form is ______.
A. Permission / could
B. Ability / couldn’t
C. Permission / couldn’t
D. Ability / could

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Verbs, Tenses, and VocabularySimilesComparatives - SuperlativeSimple Present VS Present ContinuousAlthough, Though, In spite of, DespiteFuture Perfect vs Future ContinuousModifiersPast Perfect Simple & Past Perfect ContinuousPassive Voice and ModalsQuantifierOther quiz:
Grammar › ViewGo down … Kingston Street and turn left into Oxford Street.
A. a
B. an
C. the
D. –
Vocabulary and Grammar › View
When you’ve done something special you may feel
A. proud
B. polite
C. embarrassed
D. rude
Grammar › ViewThe students __ written longer essays, but the teacher said ten pages was long enough.
A. should have
B. could have
C. would have
Subject-Verb Agreement › View
Half of the books _______ novels.
A. Is
B. Are
