Future perfect – Exercise 312

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Future perfect use — summary

When to use	Examples
If the action will be completed by a certain moment in the future	Melody's working day ends at six o'clock. At six-fifteen, she will have gone home. — Will Mary be at the party by midnight? — No, she will have left by that time. — Will you be having lunch at 2 pm? — No, we'll have finished by that time. It will be raining in the afternoon, but it'll have stopped raining by five o'clock.
With stative verbs (be, know, live etc.): to say that the action has been going for some time to a certain point in the future.	On the second of March, we'll have been married for one year. On Friday, she'll have lived here for one month.

When to use

Examples

If the action will be completed by a certain moment in the future

Melody's working day ends at six o'clock. At six-fifteen, she will have gone home.

— Will Mary be at the party by midnight? — No, she will have left by that time.

— Will you be having lunch at 2 pm? — No, we'll have finished by that time.

It will be raining in the afternoon, but it'll have stopped raining by five o'clock.

With stative verbs (be, know, live etc.):
to say that the action has been going for some time to a certain point in the future.

On the second of March, we'll have been married for one year.

On Friday, she'll have lived here for one month.