I could maim you could maim she could maim we could maim you could maim they could maim
V-ing form
I could be maiming you could be maiming she could be maiming we could be maiming you could be maiming they could be maiming
Perfect
I could have maimed you could have maimed she could have maimed we could have maimed you could have maimed they could have maimed
V-ing perfect
I could have been maiming you could have been maiming she could have been maiming we could have been maiming you could have been maiming they could have been maiming
Negation
Simple form
I couldn't maim you couldn't maim she couldn't maim we couldn't maim you couldn't maim they couldn't maim
V-ing form
I couldn't be maiming you couldn't be maiming she couldn't be maiming we couldn't be maiming you couldn't be maiming they couldn't be maiming
Perfect
I couldn't have maimed you couldn't have maimed she couldn't have maimed we couldn't have maimed you couldn't have maimed they couldn't have maimed
V-ing perfect
I couldn't have been maiming you couldn't have been maiming she couldn't have been maiming we couldn't have been maiming you couldn't have been maiming they couldn't have been maiming
Interrogative form
Simple form
could I maim? could you maim? could she maim? could we maim? could you maim? could they maim?
V-ing form
could I be maiming? could you be maiming? could she be maiming? could we be maiming? could you be maiming? could they be maiming?
Perfect
could I have maimed? could you have maimed? could she have maimed? could we have maimed? could you have maimed? could they have maimed?
V-ing perfect
could I have been maiming? could you have been maiming? could she have been maiming? could we have been maiming? could you have been maiming? could they have been maiming?
Interro-negative form
Simple form
couldn't I maim? couldn't you maim? couldn't she maim? couldn't we maim? couldn't you maim? couldn't they maim?
V-ing form
couldn't I be maiming? couldn't you be maiming? couldn't she be maiming? couldn't we be maiming? couldn't you be maiming? couldn't they be maiming?
Perfect
couldn't I have maimed? couldn't you have maimed? couldn't she have maimed? couldn't we have maimed? couldn't you have maimed? couldn't they have maimed?
V-ing perfect
couldn't I have been maiming? couldn't you have been maiming? couldn't she have been maiming? couldn't we have been maiming? couldn't you have been maiming? couldn't they have been maiming?