English Grammar: Future Perfect Tense

During our English speaking courses, many people question the importance of grammar in spoken English, while some fervently support it. I guess this question can be reserved for other times. Today we are going to take a look at Future perfect tense and its applications in spoken English.

The Future perfect tense indicates that an action will be completed (finished or perfected) at some point of time in the future.

Verb

In future perfect tense the verb is generally used in its past participle form and it is supported by the auxiliary verb, “will have”

Make a statement

A statement in Future perfect tense is constructed in following ways.

Subject

Auxiliary Verb

Main Verb

Object

I, you, we, they

will

have

worked

on project

He, she, it

will

have

worked

on project

I, you , we, they

will

not have

worked

on project

He, she, it

will

not have

worked

on project

Structure for statement in general can be:

Subject + will + have + Verb (past participle) + Object (positive statement)

Subject + will + no, not, never + have + Verb (past participle) + Object (negative statement)

Ask a question

While forming interrogative sentence, auxiliary verb precedes subject in general. Following can be use of Future perfect tense in interrogative sentences.

Auxiliary Verb

Subject

Main Verb

Object

Will

you, we, they

have

roasted

chicken?

Will

He, she, it

have

roasted

chicken?

Will

you, we, they

not have

roasted

chicken?

Will

He, she, it

not have

roasted

chicken?

Now there are few situations where the Future perfect tense is used.

Completed in future before something new in future

It expresses the idea of something occurring before something that is yet to occur in future

  • By next month, I will have enjoyed my vacation.
  • I will have worked it out before the results.
  • She will have the clothes washed before leaving.
  • She will have the food cooked for her family.

Duration of action

It is used to express the time limit for the action to be performed.

  • They will have to be grounded in 10 days.
  • He will have drilled the wall within two hours.
  • They will have escaped the trap by tomorrow.
  • They will have the glass broken in 2 minutes.

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