Future Perfect opisuje czynność, która zostanie zakończona przed określonym momentem w przyszłości.
Podmiot + will have + czasownik (III forma / past participle)
Przykłady:
I will have finished my homework by 8 p.m.
She will have left before you arrive.
Will + podmiot + have + czasownik (III forma)?
Will you have completed the task by Friday?
Will she have graduated by next year?
Podmiot + will not (won’t) have + czasownik (III forma)
He won’t have done it by Monday.They will not have arrived yet.
by the time + Present Simple: By the time he arrives, I will have left.