Topics: Perfect Tenses
What are the auxiliary verbs of the past perfect continuous tense?
A. has been
B. had been
C. was being
D. have been
Select your answer:

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Modals and TensesVerb Tenses and ModalsPaired ConjunctionPossessive Nouns with Apostrophes and PronounsVerb-ing or to VerbAdverbial Concession ClausesComparative and SuperlativesComparisionsCommon & Proper NounsModal Verbs & Time PrepositionsOther quiz:
Articles › View____ man should take off his hat when he goes into ____ house in the UK.
A. A – the
B. A – a
C. The – a
D. The – the
Causative Verb › View
My parents ….. me to decide what to do in the future.
A. Help
B. Helps
C. Helping
D. Has helped
