I could festinate you could festinate she could festinate we could festinate you could festinate they could festinate
Forme en V-ing
I could be festinating you could be festinating she could be festinating we could be festinating you could be festinating they could be festinating
Perfect
I could have festinated you could have festinated she could have festinated we could have festinated you could have festinated they could have festinated
Perfect en V-ing
I could have been festinating you could have been festinating she could have been festinating we could have been festinating you could have been festinating they could have been festinating
Négation
Forme simple
I could not festinate you could not festinate she could not festinate we could not festinate you could not festinate they could not festinate
Forme en V-ing
I could not be festinating you could not be festinating she could not be festinating we could not be festinating you could not be festinating they could not be festinating
Perfect
I could not have festinated you could not have festinated she could not have festinated we could not have festinated you could not have festinated they could not have festinated
Perfect en V-ing
I could not have been festinating you could not have been festinating she could not have been festinating we could not have been festinating you could not have been festinating they could not have been festinating
Forme interrogative
Forme simple
could I festinate? could you festinate? could she festinate? could we festinate? could you festinate? could they festinate?
Forme en V-ing
could I be festinating? could you be festinating? could she be festinating? could we be festinating? could you be festinating? could they be festinating?
Perfect
could I have festinated? could you have festinated? could she have festinated? could we have festinated? could you have festinated? could they have festinated?
Perfect en V-ing
could I have been festinating? could you have been festinating? could she have been festinating? could we have been festinating? could you have been festinating? could they have been festinating?
Forme interro-négative
Forme simple
could I not festinate? could you not festinate? could she not festinate? could we not festinate? could you not festinate? could they not festinate?
Forme en V-ing
could I not be festinating? could you not be festinating? could she not be festinating? could we not be festinating? could you not be festinating? could they not be festinating?
Perfect
could I not have festinated? could you not have festinated? could she not have festinated? could we not have festinated? could you not have festinated? could they not have festinated?
Perfect en V-ing
could I not have been festinating? could you not have been festinating? could she not have been festinating? could we not have been festinating? could you not have been festinating? could they not have been festinating?