FUTURE PERFECT CONTINUOUS TENSE

AFFIRMATIVE SENTENCES

In this tense with — shall or will + have been + first form of verb & ing is used. For showing time — Since or for is used.

Since is used for a point of time & For is used for duration of time i.e. Since morning, For two hours.

For Example:

  • We shall have been living here for the last two years.
  • The boys will have been making a noise since 1 p.m.
  • You have been doing your job for three years.

NEGATIVE SENTENCES

In these sentences with ‘shall or will + have + not + been + first form of verb & ing is used. For showing time — Since or For is used.

For Example:

  • I shall not have been reading my book for two hours.
  • You will not have been singing since morning.
  • They will not have been doing their work since morning.

INTERROGATIVE SENTENCES

In these sentences— shall or will is used before subject.
And – have + not + been + first form of verb & ing is used.
To express time ‘Since’ or ‘for’ is used.

For Example:

  • Shall we have been playing a match since morning?
  • Will you have been taking this medicine for a week?
  • Will he have been staying with you for a year?

Similarly in interrogative negative sentences ‘shall or will’ is used before subject and not & have been is used before first form of verb and ‘ing’ in the sentence.
To express time ‘For’ or ‘Since’ is used.

For Example :

  • Shall we not have been entertaining the guests since morning?
  • Will you not have been flying kites since morning ?
  • Will the birds not have been flying in the sky for two hours?

future_perfect_continous_tense

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