I could scroll you could scroll he could scroll we could scroll you could scroll they could scroll
Forme en V-ing
I could be scrolling you could be scrolling he could be scrolling we could be scrolling you could be scrolling they could be scrolling
Perfect
I could have scrolled you could have scrolled he could have scrolled we could have scrolled you could have scrolled they could have scrolled
Perfect en V-ing
I could have been scrolling you could have been scrolling he could have been scrolling we could have been scrolling you could have been scrolling they could have been scrolling
Négation
Forme simple
I could not scroll you could not scroll he could not scroll we could not scroll you could not scroll they could not scroll
Forme en V-ing
I could not be scrolling you could not be scrolling he could not be scrolling we could not be scrolling you could not be scrolling they could not be scrolling
Perfect
I could not have scrolled you could not have scrolled he could not have scrolled we could not have scrolled you could not have scrolled they could not have scrolled
Perfect en V-ing
I could not have been scrolling you could not have been scrolling he could not have been scrolling we could not have been scrolling you could not have been scrolling they could not have been scrolling
Forme interrogative
Forme simple
could I scroll? could you scroll? could he scroll? could we scroll? could you scroll? could they scroll?
Forme en V-ing
could I be scrolling? could you be scrolling? could he be scrolling? could we be scrolling? could you be scrolling? could they be scrolling?
Perfect
could I have scrolled? could you have scrolled? could he have scrolled? could we have scrolled? could you have scrolled? could they have scrolled?
Perfect en V-ing
could I have been scrolling? could you have been scrolling? could he have been scrolling? could we have been scrolling? could you have been scrolling? could they have been scrolling?
Forme interro-négative
Forme simple
could I not scroll? could you not scroll? could he not scroll? could we not scroll? could you not scroll? could they not scroll?
Forme en V-ing
could I not be scrolling? could you not be scrolling? could he not be scrolling? could we not be scrolling? could you not be scrolling? could they not be scrolling?
Perfect
could I not have scrolled? could you not have scrolled? could he not have scrolled? could we not have scrolled? could you not have scrolled? could they not have scrolled?
Perfect en V-ing
could I not have been scrolling? could you not have been scrolling? could he not have been scrolling? could we not have been scrolling? could you not have been scrolling? could they not have been scrolling?