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 could not goffer you could not goffer he could not goffer we could not goffer you could not goffer they could not goffer	I could not be goffering you could not be goffering he could not be goffering we could not be goffering you could not be goffering they could not be goffering
Perfect	V-ing perfect
I could not have goffered you could not have goffered he could not have goffered we could not have goffered you could not have goffered they could not have goffered	I could not have been goffering you could not have been goffering he could not have been goffering we could not have been goffering you could not have been goffering they could not 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
could I not goffer? could you not goffer? could he not goffer? could we not goffer? could you not goffer? could they not goffer?	could I not be goffering? could you not be goffering? could he not be goffering? could we not be goffering? could you not be goffering? could they not be goffering?
Perfect	V-ing perfect
could I not have goffered? could you not have goffered? could he not have goffered? could we not have goffered? could you not have goffered? could they not have goffered?	could I not have been goffering? could you not have been goffering? could he not have been goffering? could we not have been goffering? could you not have been goffering? could they not have been goffering?