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