The Future Perfect Simple

  How to form it? will have + -ed* (*past participle)

Statement: I/you/he/she/it/we/they will have done

Question: Will I/you/he/she/it/we/they have done?

Negative: I/you/he/she/it/we/they won’t have done

We use the future perfect simple to talk about something that will be completed by a certain time in the future.

• I will have finished the book by Friday.
• We will have been married for five years in June.
• By the time we get to the theatre the play will have started.

Time expressions we use: before, by the time, by, by then, in two weeks