I could power you could power he could power we could power you could power they could power
Forme en V-ing
I could be powering you could be powering he could be powering we could be powering you could be powering they could be powering
Perfect
I could have powered you could have powered he could have powered we could have powered you could have powered they could have powered
Perfect en V-ing
I could have been powering you could have been powering he could have been powering we could have been powering you could have been powering they could have been powering
Négation
Forme simple
I could not power you could not power he could not power we could not power you could not power they could not power
Forme en V-ing
I could not be powering you could not be powering he could not be powering we could not be powering you could not be powering they could not be powering
Perfect
I could not have powered you could not have powered he could not have powered we could not have powered you could not have powered they could not have powered
Perfect en V-ing
I could not have been powering you could not have been powering he could not have been powering we could not have been powering you could not have been powering they could not have been powering
Forme interrogative
Forme simple
could I power? could you power? could he power? could we power? could you power? could they power?
Forme en V-ing
could I be powering? could you be powering? could he be powering? could we be powering? could you be powering? could they be powering?
Perfect
could I have powered? could you have powered? could he have powered? could we have powered? could you have powered? could they have powered?
Perfect en V-ing
could I have been powering? could you have been powering? could he have been powering? could we have been powering? could you have been powering? could they have been powering?
Forme interro-négative
Forme simple
could I not power? could you not power? could he not power? could we not power? could you not power? could they not power?
Forme en V-ing
could I not be powering? could you not be powering? could he not be powering? could we not be powering? could you not be powering? could they not be powering?
Perfect
could I not have powered? could you not have powered? could he not have powered? could we not have powered? could you not have powered? could they not have powered?
Perfect en V-ing
could I not have been powering? could you not have been powering? could he not have been powering? could we not have been powering? could you not have been powering? could they not have been powering?