FUTURE PERFET CONTINUOUS

How can you recognize it?
It’s formed by a subject, the auxiliary will, the auxiliary have, the verb to be (participle), the main verb in ing form, the complement

Example:
I will have been watching TV.


What is it used for?
We use the Future Perfect Continuous to show that something will continue up until a particular event or time in the future. "For five minutes," "for two weeks," and "since Friday" are all durations which can be used with the Future Perfect Continuous.


STRUCTURES:

POSITIVE: Pronoun + Will + have + been+ verb (ing + complement

I will have been watching TV


NEGATIVE: Pronoun + Will + not (Won’t) +have + been + verb (ing) +complement

I will not have been watching TV
I won’t have been watching TV.


QUESTIONS: Will + pronoun + have + been + verb (ing )+ complement ?

Will you have been watching TV?