Question

I____(write) my exercise by then.(future perfect tense)​

Answer 1

The sentence can be written in future perfect tense as follows:

I will have written my exercise by then.

What is the future perfect tense?

• In English Grammar, future perfect tense is a part of speech that shows the occurrence of an action before a definite time in the future.

• In the sentence above, 'then' is the definite time and the person will write his exercise before then.

• The formula for future perfect tense is will have + [past participle].

Answer 2

Answer:

I will have written my exercise by then.