Future Perfect

This is almost the end of my series about verb tenses in English. You can click here to see all the other posts in the series, but for now, let's have a look at the future perfect! ​This tense is mostly used to imagine a future moment and then look back to an earlier time.

​Formation
future perfect = will + have + verb 3 (past participle)

Positive:
Be: I / you / he / she / it / we / they will have been
(I'll / you'll / he'll / she'll / it'll / we'll / they'll have been)
Work: I / you / he / she / it / we / they will have worked
Take: I / you / he / she / it / we / they will have taken

Negative:
Be: I / you / he / she / it / we / they will not have been
(I / you / he / she / it / we / they won’t have been)
Work: I / you / he / she / it / we / they will not have worked
Take: I / you / he / she / it / we / they will not have taken

Questions:
Be: Will I / you / he / she / it / we / they have been?
Work: Will I / you / he / she / it / we / they have worked?
Take: Will I / you / he / she / it / we / they have taken?

Uses
1. To talk about an action that will be completed before a specific time:
I will have finished this report by Friday.
(= I will finish it on Friday or before Friday.)
See you tomorrow. You will probably have gone to bed by the time I get home tonight.

2. To "predict" what happened before now:
He won't be in the office. He will have gone home by now.
The film will have started already! We've missed the beginning!

3. To describe the duration of a situation until a certain time in the future:
In November, we will have known each other for 20 years!
By 6 o'clock, I'll have been here for 12 hours!
(This is only for non-action verbs.)


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