[ Modal Verbs ]
He was yawning a lot. He ___ have stayed up all night.
A. might have
B. could not
C. must not
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Present Perfect vs Past Simple TenseComparative AdverbsGerund Subject or ObjectZero Conditional SentenceNumbersPresent Simple vs Past SimpleConjunctions - ConnectorsPresent Tense (Negatives and Questions)Comparatives - SuperlativeMay, MightOther quiz:
Grammar › ViewIn English the first personal pronoun ( subject ) can be written “i” or “I”. It doesn’t make any difference.
A. True
B. False
Grammar › View
She ___ it last week.
A. bought
B. had bought