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 couldn't rage you couldn't rage he couldn't rage we couldn't rage you couldn't rage they couldn't rage
V-ing form
I couldn't be raging you couldn't be raging he couldn't be raging we couldn't be raging you couldn't be raging they couldn't be raging
Perfect
I couldn't have raged you couldn't have raged he couldn't have raged we couldn't have raged you couldn't have raged they couldn't have raged
V-ing perfect
I couldn't have been raging you couldn't have been raging he couldn't have been raging we couldn't have been raging you couldn't have been raging they couldn't 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
couldn't I rage? couldn't you rage? couldn't he rage? couldn't we rage? couldn't you rage? couldn't they rage?
V-ing form
couldn't I be raging? couldn't you be raging? couldn't he be raging? couldn't we be raging? couldn't you be raging? couldn't they be raging?
Perfect
couldn't I have raged? couldn't you have raged? couldn't he have raged? couldn't we have raged? couldn't you have raged? couldn't they have raged?
V-ing perfect
couldn't I have been raging? couldn't you have been raging? couldn't he have been raging? couldn't we have been raging? couldn't you have been raging? couldn't they have been raging?