English Grammar Made Easy

Subtitle

Future Perfect Tense

 

Future Perfect

Future Perfect has two different forms: "will have done" and "be going to have done." Unlike Simple Future forms, Future Perfect forms are usually interchangeable.

FORM Future Perfect with "Will"

[will have + past participle]

Examples:

·       You will have perfected your English by the time you come back from the U.S.

·       Will you have perfected your English by the time you come back from the U.S.?

·       You will not have perfected your English by the time you come back from the U.S.

FORM Future Perfect with "Be Going To"

[am/is/are + going to have + past participle]

Examples:

·       You are going to have perfected your English by the time you come back from the U.S.

·       Are you going to have perfected your English by the time you come back from the U.S.?

·       You are not going to have perfected your English by the time you come back from the U.S.

NOTE: It is possible to use either "will" or "be going to" to create the Future Perfect with little or no difference in meaning.

Complete List of Future Perfect Forms are at the bottom of this page.

USE 1 Completed Action Before Something in the Future

 

The Future Perfect expresses the idea that something will occur before another action in the future. It can also show that something will happen before a specific time in the future.

Examples:

·       By next November, I will have received my promotion.

·       By the time he gets home, she is going to have cleaned the entire house.

·       I am not going to have finished this test by 3 o'clock.

·       Will she have learned enough Chinese to communicate before she moves to Beijing?

·       Sam is probably going to have completed the proposal by the time he leaves this afternoon.

·       By the time I finish this course, I will have taken ten tests.

·       How many countries are you going to have visited by the time you turn 50?

Notice in the examples above that the reference points (marked in italics) are in Simple Present rather than Simple Future. This is because the interruptions are in time clauses, and you cannot use future tenses in time clauses.

USE 2 Duration Before Something in the Future (Non-Continuous Verbs)

With Non-Continuous Verbs and some non-continuous uses of Mixed Verbs, we use the Future Perfect to show that something will continue up until another action in the future.

Examples:

·       I will have been in London for six months by the time I leave.

·       By Monday, Susan is going to have had my book for a week.

Although the above use of Future Perfect is normally limited to Non-Continuous Verbs and non-continuous uses of Mixed Verbs, the words "live," "work," "teach," and "study" are sometimes used in this way even though they are NOT Non-Continuous Verbs.

REMEMBER No Future in Time Clauses

Like all future forms, the Future Perfect cannot be used in clauses beginning with time expressions such as: when, while, before, after, by the time, as soon as, if, unless, etc. Instead of Future Perfect, Present Perfect is used.

Examples:

·       I am going to see a movie when I will have finished my homework. Not Correct

·       I am going to see a movie when I have finished my homework. Correct

 

Future Perfect Forms

Using "Will"

Positive

Negative

Question

·   I will have stopped.

·   You will have stopped.

·   We will have stopped.

·   They will have stopped.

·   He will have stopped.

·   She will have stopped.

·   It will have stopped.

·   I will not have stopped.

·   You will not have stopped.

·   We will not have stopped.

·   They will not have stopped.

·   He will not have stopped.

·   She will not have stopped.

·   It will not have stopped.

·   Will I have stopped?

·   Will you have stopped?

·   Will we have stopped?

·   Will they have stopped?

·   Will he have stopped?

·   Will she have stopped?

·   Will it have stopped?

Using "Be Going To"

Positive

Negative

Question

· I am going to have stopped.

· You are going to have stopped.

· We are going to have stopped.

· They are going to have stopped.

·  He is going to have stopped.

· She is going to have stopped.

· It is going to have stopped.

· I am not going to have stopped.

· You are not going to have stopped.

· We are not going to have stopped.

· They are not going to have stopped.

· He is not going to have stopped.

· She is not going to have stopped.

· It is not going to have stopped.

· Am I going to have stopped?

· Are you going to have stopped?

· Are we going to have stopped?

· Are they going to have stopped?

· Is he going to have stopped?

· Is she going to have stopped?

·  Is it going to have stopped?

 http://www.englisch-hilfen.de/en/exercises/tenses/future_perfect_statements.htm

http://www.inglesvip.com/exercises/future-perfect-tense-2.html

 

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