I could full you could full she could full we could full you could full they could full
V-ing form
I could be fulling you could be fulling she could be fulling we could be fulling you could be fulling they could be fulling
Perfect
I could have fulled you could have fulled she could have fulled we could have fulled you could have fulled they could have fulled
V-ing perfect
I could have been fulling you could have been fulling she could have been fulling we could have been fulling you could have been fulling they could have been fulling
Negation
Simple form
I could not full you could not full she could not full we could not full you could not full they could not full
V-ing form
I could not be fulling you could not be fulling she could not be fulling we could not be fulling you could not be fulling they could not be fulling
Perfect
I could not have fulled you could not have fulled she could not have fulled we could not have fulled you could not have fulled they could not have fulled
V-ing perfect
I could not have been fulling you could not have been fulling she could not have been fulling we could not have been fulling you could not have been fulling they could not have been fulling
Interrogative form
Simple form
could I full? could you full? could she full? could we full? could you full? could they full?
V-ing form
could I be fulling? could you be fulling? could she be fulling? could we be fulling? could you be fulling? could they be fulling?
Perfect
could I have fulled? could you have fulled? could she have fulled? could we have fulled? could you have fulled? could they have fulled?
V-ing perfect
could I have been fulling? could you have been fulling? could she have been fulling? could we have been fulling? could you have been fulling? could they have been fulling?
Interro-negative form
Simple form
could I not full? could you not full? could she not full? could we not full? could you not full? could they not full?
V-ing form
could I not be fulling? could you not be fulling? could she not be fulling? could we not be fulling? could you not be fulling? could they not be fulling?
Perfect
could I not have fulled? could you not have fulled? could she not have fulled? could we not have fulled? could you not have fulled? could they not have fulled?
V-ing perfect
could I not have been fulling? could you not have been fulling? could she not have been fulling? could we not have been fulling? could you not have been fulling? could they not have been fulling?