Which sentence uses the future perfect tense correctly? A. ...

★ Grammar of Future Plans

Which sentence uses the future perfect tense correctly?

A. She will have finish her book by next week.

B. She will have finishing her book by next week.

C. She will have finished her book by next week.

Preview next quiz:

Which sentence correctly uses an adverbial clause with the present perfect tense?

A. Once I have finished dinner, I’ll call you.

B. Once I will have finished dinner, I’ll call you.

C. Once I finished dinner, I’ll call you.