Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I could dinner you could dinner she could dinner we could dinner you could dinner they could dinner
Forma com 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
Perfeito
I could have dinnered you could have dinnered she could have dinnered we could have dinnered you could have dinnered they could have dinnered
Perfeito com 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
Negação
Forma 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
Forma com 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
Perfeito
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
Perfeito com 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
Forma interrogativa
Forma simple
could I dinner? could you dinner? could she dinner? could we dinner? could you dinner? could they dinner?
Forma com 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?
Perfeito
could I have dinnered? could you have dinnered? could she have dinnered? could we have dinnered? could you have dinnered? could they have dinnered?
Perfeito com 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?
Forma interro-Negação
Forma 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?
Forma com 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?
Perfeito
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?
Perfeito com 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?