I could shiver you could shiver she could shiver we could shiver you could shiver they could shiver
Forme en V-ing
I could be shivering you could be shivering she could be shivering we could be shivering you could be shivering they could be shivering
Perfect
I could have shivered you could have shivered she could have shivered we could have shivered you could have shivered they could have shivered
Perfect en V-ing
I could have been shivering you could have been shivering she could have been shivering we could have been shivering you could have been shivering they could have been shivering
Négation
Forme simple
I could not shiver you could not shiver she could not shiver we could not shiver you could not shiver they could not shiver
Forme en V-ing
I could not be shivering you could not be shivering she could not be shivering we could not be shivering you could not be shivering they could not be shivering
Perfect
I could not have shivered you could not have shivered she could not have shivered we could not have shivered you could not have shivered they could not have shivered
Perfect en V-ing
I could not have been shivering you could not have been shivering she could not have been shivering we could not have been shivering you could not have been shivering they could not have been shivering
Forme interrogative
Forme simple
could I shiver? could you shiver? could she shiver? could we shiver? could you shiver? could they shiver?
Forme en V-ing
could I be shivering? could you be shivering? could she be shivering? could we be shivering? could you be shivering? could they be shivering?
Perfect
could I have shivered? could you have shivered? could she have shivered? could we have shivered? could you have shivered? could they have shivered?
Perfect en V-ing
could I have been shivering? could you have been shivering? could she have been shivering? could we have been shivering? could you have been shivering? could they have been shivering?
Forme interro-négative
Forme simple
could I not shiver? could you not shiver? could she not shiver? could we not shiver? could you not shiver? could they not shiver?
Forme en V-ing
could I not be shivering? could you not be shivering? could she not be shivering? could we not be shivering? could you not be shivering? could they not be shivering?
Perfect
could I not have shivered? could you not have shivered? could she not have shivered? could we not have shivered? could you not have shivered? could they not have shivered?
Perfect en V-ing
could I not have been shivering? could you not have been shivering? could she not have been shivering? could we not have been shivering? could you not have been shivering? could they not have been shivering?