Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could anger anger you could anger anger he could anger anger we could anger anger you could anger anger they could anger anger
V-ing form
I could be anger angering you could be anger angering he could be anger angering we could be anger angering you could be anger angering they could be anger angering
Perfect
I could have anger angered you could have anger angered he could have anger angered we could have anger angered you could have anger angered they could have anger angered
V-ing perfect
I could have been anger angering you could have been anger angering he could have been anger angering we could have been anger angering you could have been anger angering they could have been anger angering
Negation
Simple form
I couldn't anger anger you couldn't anger anger he couldn't anger anger we couldn't anger anger you couldn't anger anger they couldn't anger anger
V-ing form
I couldn't be anger angering you couldn't be anger angering he couldn't be anger angering we couldn't be anger angering you couldn't be anger angering they couldn't be anger angering
Perfect
I couldn't have anger angered you couldn't have anger angered he couldn't have anger angered we couldn't have anger angered you couldn't have anger angered they couldn't have anger angered
V-ing perfect
I couldn't have been anger angering you couldn't have been anger angering he couldn't have been anger angering we couldn't have been anger angering you couldn't have been anger angering they couldn't have been anger angering
Interrogative form
Simple form
could I anger anger? could you anger anger? could he anger anger? could we anger anger? could you anger anger? could they anger anger?
V-ing form
could I be anger angering? could you be anger angering? could he be anger angering? could we be anger angering? could you be anger angering? could they be anger angering?
Perfect
could I have anger angered? could you have anger angered? could he have anger angered? could we have anger angered? could you have anger angered? could they have anger angered?
V-ing perfect
could I have been anger angering? could you have been anger angering? could he have been anger angering? could we have been anger angering? could you have been anger angering? could they have been anger angering?
Interro-negative form
Simple form
couldn't I anger anger? couldn't you anger anger? couldn't he anger anger? couldn't we anger anger? couldn't you anger anger? couldn't they anger anger?
V-ing form
couldn't I be anger angering? couldn't you be anger angering? couldn't he be anger angering? couldn't we be anger angering? couldn't you be anger angering? couldn't they be anger angering?
Perfect
couldn't I have anger angered? couldn't you have anger angered? couldn't he have anger angered? couldn't we have anger angered? couldn't you have anger angered? couldn't they have anger angered?
V-ing perfect
couldn't I have been anger angering? couldn't you have been anger angering? couldn't he have been anger angering? couldn't we have been anger angering? couldn't you have been anger angering? couldn't they have been anger angering?