[ Perfect Tenses ]
Which auxiliary verbs are used to form the future perfect tense?
A. is, are
B. was, were
C. will have, shall have
D. has, have

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Past and Present Tenses › ViewComplete with the correct form: “I ___ (visit) Paris three times so far.”
A. have visited
B. had visited
Tenses › View
By 2024, I ____ from college.
A. will graduate
B. have graduated
C. will have graduated
D. have been graduated
Grammar › ViewThe waste of the factory the river.
A. Pollutes
B. Dirties
C. Wastes
D. Extinct
Tenses › View
The dog ______ (bark) loudly right now.
A. is barking
B. barks
C. are barking
D. barking