must goffer
Regular verb: goffer - goffered- goffered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must goffer
you must goffer
she must goffer
we must goffer
you must goffer
they must goffer 	I must be goffering
you must be goffering
she must be goffering
we must be goffering
you must be goffering
they must be goffering	I must have goffered
you must have goffered
she 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
she 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 	Perfect 	V-ing perfect 	
I mustn't goffer
you mustn't goffer
she mustn't goffer
we mustn't goffer
you mustn't goffer
they mustn't goffer 	I mustn't be goffering
you mustn't be goffering
she mustn't be goffering
we mustn't be goffering
you mustn't be goffering
they mustn't be goffering	I mustn't have goffered
you mustn't have goffered
she mustn't have goffered
we mustn't have goffered
you mustn't have goffered
they mustn't have goffered	I mustn't have been goffering
you mustn't have been goffering
she mustn't have been goffering
we mustn't have been goffering
you mustn't have been goffering
they mustn't have been goffering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I goffer?
must you goffer?
must she goffer?
must we goffer?
must you goffer?
must they goffer? 	must I be goffering?
must you be goffering?
must she be goffering?
must we be goffering?
must you be goffering?
must they be goffering? 	must I have goffered?
must you have goffered?
must she 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 she 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 	Perfect 	V-ing perfect 	
mustn't I goffer?
mustn't you goffer?
mustn't she goffer?
mustn't we goffer?
mustn't you goffer?
mustn't they goffer? 	mustn't I be goffering?
mustn't you be goffering?
mustn't she be goffering?
mustn't we be goffering?
mustn't you be goffering?
mustn't they be goffering? 	mustn't I have goffered?
mustn't you have goffered?
mustn't she have goffered?
mustn't we have goffered?
mustn't you have goffered?
mustn't they have goffered? 	mustn't I have been goffering?
mustn't you have been goffering?
mustn't she have been goffering?
mustn't we have been goffering?
mustn't you have been goffering?
mustn't they have been goffering?