must unfit
Irregular verb: unfit - unfit- unfit

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unfit
you must unfit
he must unfit
we must unfit
you must unfit
they must unfit 	I must be unfitting
you must be unfitting
he must be unfitting
we must be unfitting
you must be unfitting
they must be unfitting	I must have unfit
you must have unfit
he must have unfit
we must have unfit
you must have unfit
they must have unfit	I must have been unfitting
you must have been unfitting
he must have been unfitting
we must have been unfitting
you must have been unfitting
they must have been unfitting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unfit
you mustn't unfit
he mustn't unfit
we mustn't unfit
you mustn't unfit
they mustn't unfit 	I mustn't be unfitting
you mustn't be unfitting
he mustn't be unfitting
we mustn't be unfitting
you mustn't be unfitting
they mustn't be unfitting	I mustn't have unfit
you mustn't have unfit
he mustn't have unfit
we mustn't have unfit
you mustn't have unfit
they mustn't have unfit	I mustn't have been unfitting
you mustn't have been unfitting
he mustn't have been unfitting
we mustn't have been unfitting
you mustn't have been unfitting
they mustn't have been unfitting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unfit?
must you unfit?
must he unfit?
must we unfit?
must you unfit?
must they unfit? 	must I be unfitting?
must you be unfitting?
must he be unfitting?
must we be unfitting?
must you be unfitting?
must they be unfitting? 	must I have unfit?
must you have unfit?
must he have unfit?
must we have unfit?
must you have unfit?
must they have unfit? 	must I have been unfitting?
must you have been unfitting?
must he have been unfitting?
must we have been unfitting?
must you have been unfitting?
must they have been unfitting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unfit?
mustn't you unfit?
mustn't he unfit?
mustn't we unfit?
mustn't you unfit?
mustn't they unfit? 	mustn't I be unfitting?
mustn't you be unfitting?
mustn't he be unfitting?
mustn't we be unfitting?
mustn't you be unfitting?
mustn't they be unfitting? 	mustn't I have unfit?
mustn't you have unfit?
mustn't he have unfit?
mustn't we have unfit?
mustn't you have unfit?
mustn't they have unfit? 	mustn't I have been unfitting?
mustn't you have been unfitting?
mustn't he have been unfitting?
mustn't we have been unfitting?
mustn't you have been unfitting?
mustn't they have been unfitting?