[ Modal ]
We ______ stayed up so late. I’m so tired today.
A. mustn’t have
B. shouldn’t have
C. couldn’t have
Select your answer:

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The First Conditional (if/unless)Present, Past, Present Perfect and ComparativePerfect Tenses and Have GotConditional Sentences and AdverbsAdjectives & PrepositionsVerb Tenses and UsageModal Verbs & Perfect InfinitivePassive Voice with Modal VerbsAdjectives and AdverbsSentence Fragments and Complete SentencesOther quiz:
Mixed General Quiz › ViewThe main __ was veal.
a. coarse
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Present Perfect Negative and Interrogative › View
Negative. The Weeknd ________________ (have) (perform) at the Billboard Awards.
A. have not perform
B. has not performed
C. has not perform
