How to use the Future Perfect in English?

How to use the Future Perfect in English? (I will have played)


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The Future Perfect (or simple Future Perfect) is usually used to talk about actions that will be completed before a given time, event or other future action.

  • He will have finished school before 5pm. 
  • The party will already have finished by the time we get there. 
  • Tomorrow morning she will have left. 

1/ Construction

Sujet + WILL HAVE + Verb (past participle)

 Affirmative_ Négative Question
 I / you / he / she / it / we / you / they_    I will have played_  _I will not (= I won’t) have played_  _Will I have played ?_

_

  • (+) He will have finished work by 5pm.
  • (-) He will not have (= won’t have) finished work by 5pm.
  • (?) Will he have finished work by 5pm?

2/ Use

We use the future perfect to express:

* An action carried out before a future event or action

Something will happen before another action in the future, or before a specific time in the future (tomorrow, next month, before something, by 2pm…)

You will notice that the simple present is used for the reference points:

  • He will have cleaned up the house before they move in.
  • She will have written the letter before tonight.
  • I will have finished the job before the deadline.
  • How many countries will you have visited by the time you turn 30?
  • By the time he gets home, she will have cleaned the entire room.
  • She will have finished this test by noon.
  • Phil will have drunk ten beers by the time the party starts.
  • Will she have learned enough japanese before she moves to Osaka?

* The duration of certain actions before a future date or event

  • will have known Sarah for ten years in October.
  • Patrick will have lived in Sydney for 10 years by 2014.
  • will have been in London for six months by the time I leave.
  • By Monday, Karl will have had my Ipod for a month.
  • We will have been married for one year next month.

* The conviction that something has just happened

  • There’s no point in going to the party. Everybody will have left by now. (= I’m sure everybody has left the party)
  • The bus will have left by now. (= I’m sure the bus has left)
  • My parents will have arrived in Bangkok by now. (I’m sure my parents have arrived in Bangkok)

3/ Notes

We can use ‘going to’ instead of ‘will’ (same meaning)

  • The bus will have left by now. = The bus is going to have left by now.

⚠ No future perfect with when, while, before, after, by the time, as soon as, if, unless, etc.

We use the present perfect instead:

  • I am going to play video games when I will have finished my homework. WRONG
  • I am going to play video games when I have finished my homework. CORRECT

⚠ Current time expressions

We often use the perfect future with:

by / by the time / before / by tomorrow / at 7 o’clock / next month / until / till

  • He will have retired by the end of this year. 
  • I will have finished that report before the deadline.

Active / passive form

  • Tom will have repaired the car before the end of the week. (Active)
  • The car will have been repaired by Tom before the end of the week. (Passive)

 

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