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