[ Modals with Perfect Infinitive ]
You ___ been at the museum on Tuesday! It was closed all day.
A. must have
B. mustn’t have
C. needn’t have
D. couldn’t have

Random Topics:
Adverbs and AdjectivesFuture PlansSubordinating ConjunctionsSimple Present and Present ContinuousWho vs WhomReported Speech and TensesPossessive Adjectives & Possessive PronounsTenses and VoiceGrammar: so and suchRelative Clauses and Past PerfectOther quiz:
Grammar › View“The fireman grabbed the hose from the side of the fire truck.”
Which of the words in this sentence is a verb?
A. fireman
B. grabbed
C. side
D. hose
Prepositions of Place › View
I think you left your bag ____ the bedroom.
A. in
B. on
C. at
Vocabulary and Sentence Structure › ViewThe company has a number of regulations that you must follow.
A. degrees
B. traditions
C. rules
D. ideas
Grammar › View
When you visit us on Saturday, your mum………………… park on our drive because Dad’s car is in the garage.
A. can
B. must
C. have to
