[ Must and Might Modals ]
What does “must have” mean in the sentence: “They must have forgotten the appointment”?
A. It is certain they forgot.
B. It is possible they forgot.
C. They were told to forget.
D. They never forget.
Select your answer:

Random Topics:
Modal Verbs - ObligationIndefinite and Intensive NounPresent Simple & Present ContinuousPreposition of PlaceAbilityWord Form & Verb TensePronouns, Sentence Structure, and Figurative LanguageGrammar - Imperatives and LetToo or EnoughPresent Simple, Present Continuous or Present PerfectOther quiz:
Future Tenses › ViewIs it going to rain?
A. Present Continuous
B. Be going to
C. Present Simple
D. Future Simple
Grammar › View
John isn´t lazy, …
A. was he?
B. isn´t he?
C. is she?
D. is he?
