Grammar Quiz
[ Past Modals ]

She _______ have left her keys at home; that’s why she couldn’t open the door.

A. must

B. must

C. must have

D. can have

Select your answer:
A  B  C  D  E 


Random Topics:

Passive Voice Present SimplePresent Simple or Present ContinuousQuantifiers: too many, too much & enoughInterrogative PronounsPassivisationConditionals III - Mixed 1st, 2nd & 3rd ConditionalsPresent Perfect Simple & ContinuousTime ExpressionsGrammar of Future PlansConnectives (because, due to, owing to, because of)

Other quiz:

Vocabulary › View

something is too large or too small in comparison with something else

A. disproportionately

B. misplaced

C. illuminating

Tenses › View

Which tense is used for a continuous action or state completed in the past with no effect on the present?

A. Present Continuous Tense

B. Present Perfect Continuous Tense

C. Past Perfect Tense

D. Simple Past Tense

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