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