When using the perfect tenses of verbs it is necessary to add a/an A. infinitive. B. irregular verb. C. helping verb. D. suffix.

asked Mar 17, 2018 220k views

1 vote

When using the perfect tenses of verbs it is necessary to add a/an

A. infinitive.
B. irregular verb.
C. helping verb.
D. suffix.

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2 votes

I believe the answer is D. Suffix

Trueshot answered Mar 21, 2018

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