I could rage you could rage he could rage we could rage you could rage they could rage
V-ing form
I could be raging you could be raging he could be raging we could be raging you could be raging they could be raging
Perfect
I could have raged you could have raged he could have raged we could have raged you could have raged they could have raged
V-ing perfect
I could have been raging you could have been raging he could have been raging we could have been raging you could have been raging they could have been raging
Negation
Simple form
I could not rage you could not rage he could not rage we could not rage you could not rage they could not rage
V-ing form
I could not be raging you could not be raging he could not be raging we could not be raging you could not be raging they could not be raging
Perfect
I could not have raged you could not have raged he could not have raged we could not have raged you could not have raged they could not have raged
V-ing perfect
I could not have been raging you could not have been raging he could not have been raging we could not have been raging you could not have been raging they could not have been raging
Interrogative form
Simple form
could I rage? could you rage? could he rage? could we rage? could you rage? could they rage?
V-ing form
could I be raging? could you be raging? could he be raging? could we be raging? could you be raging? could they be raging?
Perfect
could I have raged? could you have raged? could he have raged? could we have raged? could you have raged? could they have raged?
V-ing perfect
could I have been raging? could you have been raging? could he have been raging? could we have been raging? could you have been raging? could they have been raging?
Interro-negative form
Simple form
could I not rage? could you not rage? could he not rage? could we not rage? could you not rage? could they not rage?
V-ing form
could I not be raging? could you not be raging? could he not be raging? could we not be raging? could you not be raging? could they not be raging?
Perfect
could I not have raged? could you not have raged? could he not have raged? could we not have raged? could you not have raged? could they not have raged?
V-ing perfect
could I not have been raging? could you not have been raging? could he not have been raging? could we not have been raging? could you not have been raging? could they not have been raging?