I could slumber you could slumber he could slumber we could slumber you could slumber they could slumber
Forme en V-ing
I could be slumbering you could be slumbering he could be slumbering we could be slumbering you could be slumbering they could be slumbering
Perfect
I could have slumbered you could have slumbered he could have slumbered we could have slumbered you could have slumbered they could have slumbered
Perfect en V-ing
I could have been slumbering you could have been slumbering he could have been slumbering we could have been slumbering you could have been slumbering they could have been slumbering
Négation
Forme simple
I couldn't slumber you couldn't slumber he couldn't slumber we couldn't slumber you couldn't slumber they couldn't slumber
Forme en V-ing
I couldn't be slumbering you couldn't be slumbering he couldn't be slumbering we couldn't be slumbering you couldn't be slumbering they couldn't be slumbering
Perfect
I couldn't have slumbered you couldn't have slumbered he couldn't have slumbered we couldn't have slumbered you couldn't have slumbered they couldn't have slumbered
Perfect en V-ing
I couldn't have been slumbering you couldn't have been slumbering he couldn't have been slumbering we couldn't have been slumbering you couldn't have been slumbering they couldn't have been slumbering
Forme interrogative
Forme simple
could I slumber? could you slumber? could he slumber? could we slumber? could you slumber? could they slumber?
Forme en V-ing
could I be slumbering? could you be slumbering? could he be slumbering? could we be slumbering? could you be slumbering? could they be slumbering?
Perfect
could I have slumbered? could you have slumbered? could he have slumbered? could we have slumbered? could you have slumbered? could they have slumbered?
Perfect en V-ing
could I have been slumbering? could you have been slumbering? could he have been slumbering? could we have been slumbering? could you have been slumbering? could they have been slumbering?
Forme interro-négative
Forme simple
couldn't I slumber? couldn't you slumber? couldn't he slumber? couldn't we slumber? couldn't you slumber? couldn't they slumber?
Forme en V-ing
couldn't I be slumbering? couldn't you be slumbering? couldn't he be slumbering? couldn't we be slumbering? couldn't you be slumbering? couldn't they be slumbering?
Perfect
couldn't I have slumbered? couldn't you have slumbered? couldn't he have slumbered? couldn't we have slumbered? couldn't you have slumbered? couldn't they have slumbered?
Perfect en V-ing
couldn't I have been slumbering? couldn't you have been slumbering? couldn't he have been slumbering? couldn't we have been slumbering? couldn't you have been slumbering? couldn't they have been slumbering?