What are the auxiliary verbs of the past perfect continuous ...

[ Grammar ]

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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Other quiz:

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I ________________ some trainers this evening. Do you want to come?

A. am going to buy

B. will buy

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I couldn’t hear him because he was speaking too _______ .

A. softly

B. silently

C. gently

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