Future Tense - Future Perfect Continuous Tense

Future Perfect Continuous is used to talk about an on-going action before some point in the future.

POSITIVE STATEMENTS

SUBJECT	WILL HAVE BEEN	VERB + ing	REST OF THE SENTENCE
I	will have been	watching	television for four hours when you come home.
You	will have been	watching	television for four hours when you come home.
He	will have been	watching	television for four hours when you come home.
Mohan	will have been	watching	television for four hours when you come home.

Future Tense - Future Perfect Continuous Tense Part 1

INTERROGATIVE STATEMENTS / QUESTIONS

WILL	SUBJECT	HAVE BEEN	VERB + ing	REST OF THE SENTENCE
Will	I	have been	playing	cricket for more than two hours when it gets dark?
Will	you	have been	playing	cricket for more than two hours when it gets dark?
Will	he	have been	playing	cricket for more than two hours when it gets dark?
Will	Mohan	have been	playing	cricket for more than two hours when it gets dark?