English Grammar: Future Perfect

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1/ For actions to be completed before a specific future time, but the exact time is unimportant.

eg: She'll have finished it by next week.

2/ When making assumptions about actions that are finished now.

eg: It's OK to phone because he'll have got home by now.

See Also:

Present Perfect; Aspect; Perfect Aspect; Auxiliary Verb; Tense


Verbs and Tenses

Related Grammar Definitions