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.
The boy	will have been	watching	television for four hours when you come home.
She	will have been	watching	television for four hours when you come home.
Pooja	will have been	watching	television for four hours when you come home.
The girl	will have been	watching	television for four hours when you come home.
We	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.
They	will have been	watching	television for four hours when you come home.
The children	will have been	watching	television for four hours when you come home.

Notice how we use ‘will have been’ and the verb + ing for all the subjects.

NEGATIVE STATEMENTS

SUBJECT	WILL NOT HAVE BEEN	VERB + ing	REST OF THE SENTENCE
I	will not have been	waiting	for too long when Arun arrives.
You	will not have been	waiting	for too long when Arun arrives.
He	will not have been	waiting	for too long when Arun arrives.
Mohan	will not have been	waiting	for too long when Arun arrives.
The boy	will not have been	waiting	for too long when Arun arrives.
She	will not have been	waiting	for too long when Arun arrives.
Pooja	will not have been	waiting	for too long when Arun arrives.
The girl	will not have been	waiting	for too long when Arun arrives.
We	will not have been	waiting	for too long when Arun arrives.
You	will not have been	waiting	for too long when Arun arrives.
They	will not have been	waiting	for too long when Arun arrives.
The children	will not have been	waiting	for too long when Arun arrives.

Notice how we use ‘will not have been’ and the verb + ing for all the subjects.