I could bulge you could bulge she could bulge we could bulge you could bulge they could bulge
V-ing form
I could be bulging you could be bulging she could be bulging we could be bulging you could be bulging they could be bulging
Perfect
I could have bulged you could have bulged she could have bulged we could have bulged you could have bulged they could have bulged
V-ing perfect
I could have been bulging you could have been bulging she could have been bulging we could have been bulging you could have been bulging they could have been bulging
Negation
Simple form
I could not bulge you could not bulge she could not bulge we could not bulge you could not bulge they could not bulge
V-ing form
I could not be bulging you could not be bulging she could not be bulging we could not be bulging you could not be bulging they could not be bulging
Perfect
I could not have bulged you could not have bulged she could not have bulged we could not have bulged you could not have bulged they could not have bulged
V-ing perfect
I could not have been bulging you could not have been bulging she could not have been bulging we could not have been bulging you could not have been bulging they could not have been bulging
Interrogative form
Simple form
could I bulge? could you bulge? could she bulge? could we bulge? could you bulge? could they bulge?
V-ing form
could I be bulging? could you be bulging? could she be bulging? could we be bulging? could you be bulging? could they be bulging?
Perfect
could I have bulged? could you have bulged? could she have bulged? could we have bulged? could you have bulged? could they have bulged?
V-ing perfect
could I have been bulging? could you have been bulging? could she have been bulging? could we have been bulging? could you have been bulging? could they have been bulging?
Interro-negative form
Simple form
could I not bulge? could you not bulge? could she not bulge? could we not bulge? could you not bulge? could they not bulge?
V-ing form
could I not be bulging? could you not be bulging? could she not be bulging? could we not be bulging? could you not be bulging? could they not be bulging?
Perfect
could I not have bulged? could you not have bulged? could she not have bulged? could we not have bulged? could you not have bulged? could they not have bulged?
V-ing perfect
could I not have been bulging? could you not have been bulging? could she not have been bulging? could we not have been bulging? could you not have been bulging? could they not have been bulging?