I could handicap you could handicap he could handicap we could handicap you could handicap they could handicap
V-ing form
I could be handicapping you could be handicapping he could be handicapping we could be handicapping you could be handicapping they could be handicapping
Perfect
I could have handicapped you could have handicapped he could have handicapped we could have handicapped you could have handicapped they could have handicapped
V-ing perfect
I could have been handicapping you could have been handicapping he could have been handicapping we could have been handicapping you could have been handicapping they could have been handicapping
Negation
Simple form
I couldn't handicap you couldn't handicap he couldn't handicap we couldn't handicap you couldn't handicap they couldn't handicap
V-ing form
I couldn't be handicapping you couldn't be handicapping he couldn't be handicapping we couldn't be handicapping you couldn't be handicapping they couldn't be handicapping
Perfect
I couldn't have handicapped you couldn't have handicapped he couldn't have handicapped we couldn't have handicapped you couldn't have handicapped they couldn't have handicapped
V-ing perfect
I couldn't have been handicapping you couldn't have been handicapping he couldn't have been handicapping we couldn't have been handicapping you couldn't have been handicapping they couldn't have been handicapping
Interrogative form
Simple form
could I handicap? could you handicap? could he handicap? could we handicap? could you handicap? could they handicap?
V-ing form
could I be handicapping? could you be handicapping? could he be handicapping? could we be handicapping? could you be handicapping? could they be handicapping?
Perfect
could I have handicapped? could you have handicapped? could he have handicapped? could we have handicapped? could you have handicapped? could they have handicapped?
V-ing perfect
could I have been handicapping? could you have been handicapping? could he have been handicapping? could we have been handicapping? could you have been handicapping? could they have been handicapping?
Interro-negative form
Simple form
couldn't I handicap? couldn't you handicap? couldn't he handicap? couldn't we handicap? couldn't you handicap? couldn't they handicap?
V-ing form
couldn't I be handicapping? couldn't you be handicapping? couldn't he be handicapping? couldn't we be handicapping? couldn't you be handicapping? couldn't they be handicapping?
Perfect
couldn't I have handicapped? couldn't you have handicapped? couldn't he have handicapped? couldn't we have handicapped? couldn't you have handicapped? couldn't they have handicapped?
V-ing perfect
couldn't I have been handicapping? couldn't you have been handicapping? couldn't he have been handicapping? couldn't we have been handicapping? couldn't you have been handicapping? couldn't they have been handicapping?