I could anger you could anger he could anger we could anger you could anger they could anger
V-ing form
I could be angering you could be angering he could be angering we could be angering you could be angering they could be angering
Perfect
I could have angered you could have angered he could have angered we could have angered you could have angered they could have angered
V-ing perfect
I could have been angering you could have been angering he could have been angering we could have been angering you could have been angering they could have been angering
Negation
Simple form
I could not anger you could not anger he could not anger we could not anger you could not anger they could not anger
V-ing form
I could not be angering you could not be angering he could not be angering we could not be angering you could not be angering they could not be angering
Perfect
I could not have angered you could not have angered he could not have angered we could not have angered you could not have angered they could not have angered
V-ing perfect
I could not have been angering you could not have been angering he could not have been angering we could not have been angering you could not have been angering they could not have been angering
Interrogative form
Simple form
could I anger? could you anger? could he anger? could we anger? could you anger? could they anger?
V-ing form
could I be angering? could you be angering? could he be angering? could we be angering? could you be angering? could they be angering?
Perfect
could I have angered? could you have angered? could he have angered? could we have angered? could you have angered? could they have angered?
V-ing perfect
could I have been angering? could you have been angering? could he have been angering? could we have been angering? could you have been angering? could they have been angering?
Interro-negative form
Simple form
could I not anger? could you not anger? could he not anger? could we not anger? could you not anger? could they not anger?
V-ing form
could I not be angering? could you not be angering? could he not be angering? could we not be angering? could you not be angering? could they not be angering?
Perfect
could I not have angered? could you not have angered? could he not have angered? could we not have angered? could you not have angered? could they not have angered?
V-ing perfect
could I not have been angering? could you not have been angering? could he not have been angering? could we not have been angering? could you not have been angering? could they not have been angering?