I'll back you'll back he'll back we'll back you'll back they'll back
V-ing form
I'll be backing you'll be backing he'll be backing we'll be backing you'll be backing they'll be backing
Perfect
I'll have backed you'll have backed he'll have backed we'll have backed you'll have backed they'll have backed
V-ing perfect
I'll have been backing you'll have been backing he'll have been backing we'll have been backing you'll have been backing they'll have been backing
Negation
Simple form
I won't back you won't back he won't back we won't back you won't back they won't back
V-ing form
I won't be backing you won't be backing he won't be backing we won't be backing you won't be backing they won't be backing
Perfect
I won't have backed you won't have backed he won't have backed we won't have backed you won't have backed they won't have backed
V-ing perfect
I won't have been backing you won't have been backing he won't have been backing we won't have been backing you won't have been backing they won't have been backing
Interrogative form
Simple form
will I back? will you back? will he back? will we back? will you back? will they back?
V-ing form
will I be backing? will you be backing? will he be backing? will we be backing? will you be backing? will they be backing?
Perfect
will I have backed? will you have backed? will he have backed? will we have backed? will you have backed? will they have backed?
V-ing perfect
will I have been backing? will you have been backing? will he have been backing? will we have been backing? will you have been backing? will they have been backing?
Interro-negative form
Simple form
won't I back? won't you back? won't he back? won't we back? won't you back? won't they back?
V-ing form
won't I be backing? won't you be backing? won't he be backing? won't we be backing? won't you be backing? won't they be backing?
Perfect
won't I have backed? won't you have backed? won't he have backed? won't we have backed? won't you have backed? won't they have backed?
V-ing perfect
won't I have been backing? won't you have been backing? won't he have been backing? won't we have been backing? won't you have been backing? won't they have been backing?