English verb conjugation
MUST GOFFER

Regular verb: goffer - goffered - goffered

Affirmation

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

Negation

Simple form	V-ing form
I must not goffer you must not goffer he must not goffer we must not goffer you must not goffer they must not goffer	I must not be goffering you must not be goffering he must not be goffering we must not be goffering you must not be goffering they must not be goffering
Perfect	V-ing perfect
I must not have goffered you must not have goffered he must not have goffered we must not have goffered you must not have goffered they must not have goffered	I must not have been goffering you must not have been goffering he must not have been goffering we must not have been goffering you must not have been goffering they must not have been goffering

Interrogative form

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

Interro-negative form

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