Future Perfect

First time here? You may want to see the list of basic facts about tenses.

We use this tense to express an action that will be finished before some point in the future.

Use
  1. Actions that will be finished before some point in the future.
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Common time expressions used in the Future Perfect:

  • Before
  • By tomorrow/7 o'clock/next month
  • Until/till
Form

Contracted forms (more)

WILL = 'LL

Example: She'll have finished = she will have finished

WILL + NOT = WON'T

Example: She won't have finished = she will not have finished

Important: The Future Perfect appears in two forms: "will" form and "going to" form which can be used interchangably.
Example: "She will have finished" means "she is going to have finished"

Declarative sentences:

Subject + Auxiliary verb + Auxiliary verb + Past participle
I/a dog etc. will have gone, seen, etc.
  • They will have graduated from from Cambridge by July 2009.
  • I will have retired by the end of the year.
  • I read 40 pages a day. If I keep up the pace, I will have read the book by Tuesday.

 

Questions:

Auxiliary verb + Subject + Auxiliary verb + Past participle ?
will I/a dog etc. have gone, seen, etc.

 

  • Will they have graduated from Cambridge by July 2009?
  • Will I have retired by the end of the year?
  • Will you have bought a new processor by the end of this week?
Negative sentences:
Subject + Auxiliary verb + Auxiliary verb + Past participle
I/a dog etc. will not have gone, seen, etc.
  • They won't have graduated from from Cambridge by July 2009.
  • My uncle won't have retired by the end of the year.

Check your understanding!

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Comments

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