[ Verb Tenses ]
. What verb form follows the helping verbs “has,” “have,” and “had” in perfect tenses?
A. Past participle
B. Base form
C. Present participle
D. Future form

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Grammar › View______ time do you start work?
A. how
B. who
C. where
D. what
Grammar › View
We ________ here for two hours
A. are waiting
B. have been waiting
C. wait
D. waited
Auxiliary Verbs (be, do, have) › ViewIf you ________ told me, I would have never found out.
A. didn’t
B. weren’t
C. hadn’t
D. don’t
Past Continuous Tense › View
Aisha ____ ____ very hard last year.
A. is studied
B. was studied
C. is studying
D. was studying