[ Modals with Perfect Infinitive ]
I saw the light coming out of his living-room window last night. He ___ been reading or watching TV. I’m not sure.
A. must have
B. might have
C. should have
D. can have
Random Topics:
Linkers and ConjunctionsBasic GrammarGrammar - Punctuation of SentencesZero & First ConditionalTenses and VoiceDemonstrative PronounPast PerfectAsking & Giving AttentionUsed to - Would - TensesMust Vs Have toOther quiz:
Grammar › ViewThey … some extra staff next week.
A. Will have employed
B. Employed
C. Are going to employ
D. Employ
Modal Verbs of Certainty and Possibility › View
She must ______ all day because I haven’t seen her.
A. have worked
B. be working
Grammar › ViewThey said both he_________ I were to come.
A. and
B. but
C. or
D. so
Past Tenses › View
Jason _____ (be) really tired because he _____ (work) all day.
A. was – had been
B. was – were working
C. was – had been working