English verb conjugation
COULD GOFFER

Regular verb: goffer - goffered - goffered

Affirmation

Simple form	V-ing form
I could goffer you could goffer he could goffer we could goffer you could goffer they could goffer	I could be goffering you could be goffering he could be goffering we could be goffering you could be goffering they could be goffering
Perfect	V-ing perfect
I could have goffered you could have goffered he could have goffered we could have goffered you could have goffered they could have goffered	I could have been goffering you could have been goffering he could have been goffering we could have been goffering you could have been goffering they could have been goffering

Negation

Simple form	V-ing form
I couldn't goffer you couldn't goffer he couldn't goffer we couldn't goffer you couldn't goffer they couldn't goffer	I couldn't be goffering you couldn't be goffering he couldn't be goffering we couldn't be goffering you couldn't be goffering they couldn't be goffering
Perfect	V-ing perfect
I couldn't have goffered you couldn't have goffered he couldn't have goffered we couldn't have goffered you couldn't have goffered they couldn't have goffered	I couldn't have been goffering you couldn't have been goffering he couldn't have been goffering we couldn't have been goffering you couldn't have been goffering they couldn't have been goffering

Interrogative form

Simple form	V-ing form
could I goffer? could you goffer? could he goffer? could we goffer? could you goffer? could they goffer?	could I be goffering? could you be goffering? could he be goffering? could we be goffering? could you be goffering? could they be goffering?
Perfect	V-ing perfect
could I have goffered? could you have goffered? could he have goffered? could we have goffered? could you have goffered? could they have goffered?	could I have been goffering? could you have been goffering? could he have been goffering? could we have been goffering? could you have been goffering? could they have been goffering?

Interro-negative form

Simple form	V-ing form
couldn't I goffer? couldn't you goffer? couldn't he goffer? couldn't we goffer? couldn't you goffer? couldn't they goffer?	couldn't I be goffering? couldn't you be goffering? couldn't he be goffering? couldn't we be goffering? couldn't you be goffering? couldn't they be goffering?
Perfect	V-ing perfect
couldn't I have goffered? couldn't you have goffered? couldn't he have goffered? couldn't we have goffered? couldn't you have goffered? couldn't they have goffered?	couldn't I have been goffering? couldn't you have been goffering? couldn't he have been goffering? couldn't we have been goffering? couldn't you have been goffering? couldn't they have been goffering?