asked 107k views
1 vote
Which verb form is used to indicate the perfect progressive tense?

a) verb + -ed
b) be + verb + -ing
c) have + been + verb + -ing
d have + verb + -ed

asked
User Milk
by
7.9k points

1 Answer

4 votes
The answer is b, i think

answered
User Aabid Khan
by
8.2k points
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