I could shoot you could shoot he could shoot we could shoot you could shoot they could shoot
V-ing form
I could be shooting you could be shooting he could be shooting we could be shooting you could be shooting they could be shooting
Perfect
I could have shot you could have shot he could have shot we could have shot you could have shot they could have shot
V-ing perfect
I could have been shooting you could have been shooting he could have been shooting we could have been shooting you could have been shooting they could have been shooting
Negation
Simple form
I could not shoot you could not shoot he could not shoot we could not shoot you could not shoot they could not shoot
V-ing form
I could not be shooting you could not be shooting he could not be shooting we could not be shooting you could not be shooting they could not be shooting
Perfect
I could not have shot you could not have shot he could not have shot we could not have shot you could not have shot they could not have shot
V-ing perfect
I could not have been shooting you could not have been shooting he could not have been shooting we could not have been shooting you could not have been shooting they could not have been shooting
Interrogative form
Simple form
could I shoot? could you shoot? could he shoot? could we shoot? could you shoot? could they shoot?
V-ing form
could I be shooting? could you be shooting? could he be shooting? could we be shooting? could you be shooting? could they be shooting?
Perfect
could I have shot? could you have shot? could he have shot? could we have shot? could you have shot? could they have shot?
V-ing perfect
could I have been shooting? could you have been shooting? could he have been shooting? could we have been shooting? could you have been shooting? could they have been shooting?
Interro-negative form
Simple form
could I not shoot? could you not shoot? could he not shoot? could we not shoot? could you not shoot? could they not shoot?
V-ing form
could I not be shooting? could you not be shooting? could he not be shooting? could we not be shooting? could you not be shooting? could they not be shooting?
Perfect
could I not have shot? could you not have shot? could he not have shot? could we not have shot? could you not have shot? could they not have shot?
V-ing perfect
could I not have been shooting? could you not have been shooting? could he not have been shooting? could we not have been shooting? could you not have been shooting? could they not have been shooting?