English verb conjugation
COULD DINNER

Regular verb: dinner - dinnered - dinnered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could dinner you could dinner she could dinner we could dinner you could dinner they could dinner	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	V-ing 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	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

Negation

Simple form	V-ing form
I couldn't dinner you couldn't dinner she couldn't dinner we couldn't dinner you couldn't dinner they couldn't dinner	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	V-ing 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	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

Interrogative form

Simple form	V-ing form
could I dinner? could you dinner? could she dinner? could we dinner? could you dinner? could they dinner?	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	V-ing 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?	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?

Interro-negative form

Simple form	V-ing form
couldn't I dinner? couldn't you dinner? couldn't she dinner? couldn't we dinner? couldn't you dinner? couldn't they dinner?	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	V-ing 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?	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?