Future Perfect Continuous Tense

Uses of Future Perfect Continuous Tense


USE 1:Duration of an action before another action or time in future

This tense is used to show that an action will continue before another action or specific time in future.

We will have been working for an hour before teacher arrives.
She will have been playing football for three years when she is 18 years old.

USE 2: Cause and effect in future.

As this tense is use to express an action before or after another action, so we can explain cause and effect in future by using this tense.

She will be tired because she will have been working for two hours in evening.

  Structure of Future Perfect Continuous Tense


Singular subject I,He, She, It, Any Name
Plural subject We, and They

 

 

Nature of Sentence Structure of tense with example.
Positive S + Will have been/(is/am/are) going to have been + present participle + O.
Negative S + will + not + have been + present participle + O.
S + is/am/are + not + going to have been + present participle + O.
Interogative Will + S + have been + present participle + O?
Is/am/are + S + going to have been + present participle + O?
Interogative negative Will + S + not + have been + present participle + O?
Is/am/are + S + not + going to have been + present participle + O?

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