I can gangrene you can gangrene he can gangrene we can gangrene you can gangrene they can gangrene
V-ing form
I can be gangrening you can be gangrening he can be gangrening we can be gangrening you can be gangrening they can be gangrening
Perfect
I can have gangrened you can have gangrened he can have gangrened we can have gangrened you can have gangrened they can have gangrened
V-ing perfect
I can have been gangrening you can have been gangrening he can have been gangrening we can have been gangrening you can have been gangrening they can have been gangrening
Negation
Simple form
I can't gangrene you can't gangrene he can't gangrene we can't gangrene you can't gangrene they can't gangrene
V-ing form
I can't be gangrening you can't be gangrening he can't be gangrening we can't be gangrening you can't be gangrening they can't be gangrening
Perfect
I can't have gangrened you can't have gangrened he can't have gangrened we can't have gangrened you can't have gangrened they can't have gangrened
V-ing perfect
I can't have been gangrening you can't have been gangrening he can't have been gangrening we can't have been gangrening you can't have been gangrening they can't have been gangrening
Interrogative form
Simple form
can I gangrene? can you gangrene? can he gangrene? can we gangrene? can you gangrene? can they gangrene?
V-ing form
can I be gangrening? can you be gangrening? can he be gangrening? can we be gangrening? can you be gangrening? can they be gangrening?
Perfect
can I have gangrened? can you have gangrened? can he have gangrened? can we have gangrened? can you have gangrened? can they have gangrened?
V-ing perfect
can I have been gangrening? can you have been gangrening? can he have been gangrening? can we have been gangrening? can you have been gangrening? can they have been gangrening?
Interro-negative form
Simple form
can't I gangrene? can't you gangrene? can't he gangrene? can't we gangrene? can't you gangrene? can't they gangrene?
V-ing form
can't I be gangrening? can't you be gangrening? can't he be gangrening? can't we be gangrening? can't you be gangrening? can't they be gangrening?
Perfect
can't I have gangrened? can't you have gangrened? can't he have gangrened? can't we have gangrened? can't you have gangrened? can't they have gangrened?
V-ing perfect
can't I have been gangrening? can't you have been gangrening? can't he have been gangrening? can't we have been gangrening? can't you have been gangrening? can't they have been gangrening?