[ Present Perfect Continuous ]
you ____/_____ sleeping for twelve hours
A. has/ been
B. have /benn
C. have/ been
D. has
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Articles and PronounsGrammar - Capitalization and Possessive NounsVerbs & Verb TensesPresent Simple vs Past SimpleDefinite & Indefinite Pronoun & ConditionalsActive and Passive voiceAdverbial Clause / If / ComparativesAdverbial ClausesSimple Present vs Present ProgresiveModals, Phrasal Verbs, Gerunds and InfinitivesOther quiz:
Grammar › ViewSeveral pieces of furniture _________ delivered yesterday.
A. was
B. were
C. had
D. have
Grammar › View
I ______ late today because I may have some extra work to do.
a. may not
b. may be