THE FUTURE PERFECT CONTINUOUS TENSE
AFFIRMATIVE
NEGATIVE
INTERROGATIVE
I shall/will have been reading
I shall/will not have been reading
Shall/will I have been reading?
He will have been reading
He will not have been reading
Will he have been reading?
She will have been reading
She will not have been reading
Will she have been reading?
It will have been reading
It will not have been reading
Will it have been reading?
We shall/will have been reading
We shall/will not have been reading
Shall/Will we have been reading?
You will have been reading
You will not have been reading
Will you have been reading?
They will have been reading
They will not have been reading
Will they have been reading?
Example:
By the next August he will have been teaching English for 30 years.
By the next August he will not have been teaching English for 30 years.
When Will he have been teaching English for 30 years?