Topics: Tenses of Verbs - Usage
Choose the correct Structure of the Present Perfect Continuous tense
A. has/have + PII
B. will be + V-ing
C. has/have been + V-ing
D. is/are + V-ing
Select your answer:
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Grammar › ViewWhile John is poor Mary is rich.
A. Correct
B. Incorrect
Perfect Tenses › View
A time machine had ________stolen by a terrorist
A. was
B. be
C. been
D. is