[ Must and Might Modals ]
What is the correct negative form of “must have” in the past?
A. Must not have
B. Must haven’t
C. Must not has
D. Mustn’t has

Random Topics:
IELTS GrammarPast Tense vs Future TenseCoordinating Conjunctions and Comparative AdjectivesAuxiliary ModalGrammar RulesQuantifiers & Modal VerbsGrammar & ReadingGrammar Double Object VerbsWishes & Reported SpeechLinking VerbOther quiz:
Modals › ViewComplete the missing word. You ____ borrow the binoculars, but please be careful with them.
A. can
B. have
C. must
D. should
Conjunctions › View
Choose the correct item to complete each sentence
I turned off the light (as if as) my mother asked.
A. as if
B. as
Grammar › ViewDid you take notes in class? No, I didn’t take ___.
A. no
B. none
C. any
Grammar › View
My parents have always allowed me some _______ .
A. dependence
B. independence
C. dependable
D. undependable
