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Affirmation
Forme simple
I could unleather you could unleather she could unleather we could unleather you could unleather they could unleather
Forme en V-ing
I could be unleathering you could be unleathering she could be unleathering we could be unleathering you could be unleathering they could be unleathering
Perfect
I could have unleathered you could have unleathered she could have unleathered we could have unleathered you could have unleathered they could have unleathered
Perfect en V-ing
I could have been unleathering you could have been unleathering she could have been unleathering we could have been unleathering you could have been unleathering they could have been unleathering
Négation
Forme simple
I could not unleather you could not unleather she could not unleather we could not unleather you could not unleather they could not unleather
Forme en V-ing
I could not be unleathering you could not be unleathering she could not be unleathering we could not be unleathering you could not be unleathering they could not be unleathering
Perfect
I could not have unleathered you could not have unleathered she could not have unleathered we could not have unleathered you could not have unleathered they could not have unleathered
Perfect en V-ing
I could not have been unleathering you could not have been unleathering she could not have been unleathering we could not have been unleathering you could not have been unleathering they could not have been unleathering
Forme interrogative
Forme simple
could I unleather? could you unleather? could she unleather? could we unleather? could you unleather? could they unleather?
Forme en V-ing
could I be unleathering? could you be unleathering? could she be unleathering? could we be unleathering? could you be unleathering? could they be unleathering?
Perfect
could I have unleathered? could you have unleathered? could she have unleathered? could we have unleathered? could you have unleathered? could they have unleathered?
Perfect en V-ing
could I have been unleathering? could you have been unleathering? could she have been unleathering? could we have been unleathering? could you have been unleathering? could they have been unleathering?
Forme interro-négative
Forme simple
could I not unleather? could you not unleather? could she not unleather? could we not unleather? could you not unleather? could they not unleather?
Forme en V-ing
could I not be unleathering? could you not be unleathering? could she not be unleathering? could we not be unleathering? could you not be unleathering? could they not be unleathering?
Perfect
could I not have unleathered? could you not have unleathered? could she not have unleathered? could we not have unleathered? could you not have unleathered? could they not have unleathered?
Perfect en V-ing
could I not have been unleathering? could you not have been unleathering? could she not have been unleathering? could we not have been unleathering? could you not have been unleathering? could they not have been unleathering?