Future Perfect Continuous Tense shows that an action continued that will end in future.
In Future Perfect Continuous Tense, ‘shall’ is used with ‘have been’ and present participle of
verb for first person as well as ‘will’ is used with ‘have been’ and present participle of a verb for second and third persons.
Affirmative | Negative | Interrogative |
I shall have been writing. | I shall not have been writing. | Shall have I been writing? |
We will have been writing. | We will not have been writing. | Shall have we been writing? |
You will have been writing. | You will not have been writing. | Will have you been writing? |
You will have been writing. | You will not have been writing. | Will have you been writing? |
She will have been writing.He will have been writing. | She will not have been writing.He will not have been writing. | Will have she been writing?Will have he been writing?
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They will have been writing. | They will not have been writing. | Will have they been writing? |