I could passage you could passage he could passage we could passage you could passage they could passage
Forme en V-ing
I could be passaging you could be passaging he could be passaging we could be passaging you could be passaging they could be passaging
Perfect
I could have passaged you could have passaged he could have passaged we could have passaged you could have passaged they could have passaged
Perfect en V-ing
I could have been passaging you could have been passaging he could have been passaging we could have been passaging you could have been passaging they could have been passaging
Négation
Forme simple
I could not passage you could not passage he could not passage we could not passage you could not passage they could not passage
Forme en V-ing
I could not be passaging you could not be passaging he could not be passaging we could not be passaging you could not be passaging they could not be passaging
Perfect
I could not have passaged you could not have passaged he could not have passaged we could not have passaged you could not have passaged they could not have passaged
Perfect en V-ing
I could not have been passaging you could not have been passaging he could not have been passaging we could not have been passaging you could not have been passaging they could not have been passaging
Forme interrogative
Forme simple
could I passage? could you passage? could he passage? could we passage? could you passage? could they passage?
Forme en V-ing
could I be passaging? could you be passaging? could he be passaging? could we be passaging? could you be passaging? could they be passaging?
Perfect
could I have passaged? could you have passaged? could he have passaged? could we have passaged? could you have passaged? could they have passaged?
Perfect en V-ing
could I have been passaging? could you have been passaging? could he have been passaging? could we have been passaging? could you have been passaging? could they have been passaging?
Forme interro-négative
Forme simple
could I not passage? could you not passage? could he not passage? could we not passage? could you not passage? could they not passage?
Forme en V-ing
could I not be passaging? could you not be passaging? could he not be passaging? could we not be passaging? could you not be passaging? could they not be passaging?
Perfect
could I not have passaged? could you not have passaged? could he not have passaged? could we not have passaged? could you not have passaged? could they not have passaged?
Perfect en V-ing
could I not have been passaging? could you not have been passaging? could he not have been passaging? could we not have been passaging? could you not have been passaging? could they not have been passaging?