Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could dinner you could dinner she could dinner we could dinner you could dinner they could dinner
Forme en V-ing
I could be dinnering you could be dinnering she could be dinnering we could be dinnering you could be dinnering they could be dinnering
Perfect
I could have dinnered you could have dinnered she could have dinnered we could have dinnered you could have dinnered they could have dinnered
Perfect en V-ing
I could have been dinnering you could have been dinnering she could have been dinnering we could have been dinnering you could have been dinnering they could have been dinnering
Négation
Forme simple
I couldn't dinner you couldn't dinner she couldn't dinner we couldn't dinner you couldn't dinner they couldn't dinner
Forme en V-ing
I couldn't be dinnering you couldn't be dinnering she couldn't be dinnering we couldn't be dinnering you couldn't be dinnering they couldn't be dinnering
Perfect
I couldn't have dinnered you couldn't have dinnered she couldn't have dinnered we couldn't have dinnered you couldn't have dinnered they couldn't have dinnered
Perfect en V-ing
I couldn't have been dinnering you couldn't have been dinnering she couldn't have been dinnering we couldn't have been dinnering you couldn't have been dinnering they couldn't have been dinnering
Forme interrogative
Forme simple
could I dinner? could you dinner? could she dinner? could we dinner? could you dinner? could they dinner?
Forme en V-ing
could I be dinnering? could you be dinnering? could she be dinnering? could we be dinnering? could you be dinnering? could they be dinnering?
Perfect
could I have dinnered? could you have dinnered? could she have dinnered? could we have dinnered? could you have dinnered? could they have dinnered?
Perfect en V-ing
could I have been dinnering? could you have been dinnering? could she have been dinnering? could we have been dinnering? could you have been dinnering? could they have been dinnering?
Forme interro-négative
Forme simple
couldn't I dinner? couldn't you dinner? couldn't she dinner? couldn't we dinner? couldn't you dinner? couldn't they dinner?
Forme en V-ing
couldn't I be dinnering? couldn't you be dinnering? couldn't she be dinnering? couldn't we be dinnering? couldn't you be dinnering? couldn't they be dinnering?
Perfect
couldn't I have dinnered? couldn't you have dinnered? couldn't she have dinnered? couldn't we have dinnered? couldn't you have dinnered? couldn't they have dinnered?
Perfect en V-ing
couldn't I have been dinnering? couldn't you have been dinnering? couldn't she have been dinnering? couldn't we have been dinnering? couldn't you have been dinnering? couldn't they have been dinnering?