I could loft you could loft she could loft we could loft you could loft they could loft
V-ing form
I could be lofting you could be lofting she could be lofting we could be lofting you could be lofting they could be lofting
Perfect
I could have lofted you could have lofted she could have lofted we could have lofted you could have lofted they could have lofted
V-ing perfect
I could have been lofting you could have been lofting she could have been lofting we could have been lofting you could have been lofting they could have been lofting
Negation
Simple form
I could not loft you could not loft she could not loft we could not loft you could not loft they could not loft
V-ing form
I could not be lofting you could not be lofting she could not be lofting we could not be lofting you could not be lofting they could not be lofting
Perfect
I could not have lofted you could not have lofted she could not have lofted we could not have lofted you could not have lofted they could not have lofted
V-ing perfect
I could not have been lofting you could not have been lofting she could not have been lofting we could not have been lofting you could not have been lofting they could not have been lofting
Interrogative form
Simple form
could I loft? could you loft? could she loft? could we loft? could you loft? could they loft?
V-ing form
could I be lofting? could you be lofting? could she be lofting? could we be lofting? could you be lofting? could they be lofting?
Perfect
could I have lofted? could you have lofted? could she have lofted? could we have lofted? could you have lofted? could they have lofted?
V-ing perfect
could I have been lofting? could you have been lofting? could she have been lofting? could we have been lofting? could you have been lofting? could they have been lofting?
Interro-negative form
Simple form
could I not loft? could you not loft? could she not loft? could we not loft? could you not loft? could they not loft?
V-ing form
could I not be lofting? could you not be lofting? could she not be lofting? could we not be lofting? could you not be lofting? could they not be lofting?
Perfect
could I not have lofted? could you not have lofted? could she not have lofted? could we not have lofted? could you not have lofted? could they not have lofted?
V-ing perfect
could I not have been lofting? could you not have been lofting? could she not have been lofting? could we not have been lofting? could you not have been lofting? could they not have been lofting?