THE FUTURE PERFECT TENSE

AFFIRMATIVE NEGATIVE INTERROGATIVE
I shall/will have worked I shall/will not have worked Shall/will I
He will have worked He will not have worked Will he
She will have worked She will not have worked Will she
It will have worked It will not have worked Will it
We shall/will have worked We shall/will not have worked Shall/Will we
You will have worked You will not have worked Will you
They will have worked They will not have worked Will they

    Example:
    He will have finished his work by 5 o'clock tomorrow.
    He will not have finished his work by 5 o'clock tomorrow.
    When will he have finished his work?