must fair
Regular verb: fair - faired- faired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fair
you must fair
he must fair
we must fair
you must fair
they must fair 	I must be fairing
you must be fairing
he must be fairing
we must be fairing
you must be fairing
they must be fairing	I must have faired
you must have faired
he must have faired
we must have faired
you must have faired
they must have faired	I must have been fairing
you must have been fairing
he must have been fairing
we must have been fairing
you must have been fairing
they must have been fairing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't fair
you mustn't fair
he mustn't fair
we mustn't fair
you mustn't fair
they mustn't fair 	I mustn't be fairing
you mustn't be fairing
he mustn't be fairing
we mustn't be fairing
you mustn't be fairing
they mustn't be fairing	I mustn't have faired
you mustn't have faired
he mustn't have faired
we mustn't have faired
you mustn't have faired
they mustn't have faired	I mustn't have been fairing
you mustn't have been fairing
he mustn't have been fairing
we mustn't have been fairing
you mustn't have been fairing
they mustn't have been fairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fair?
must you fair?
must he fair?
must we fair?
must you fair?
must they fair? 	must I be fairing?
must you be fairing?
must he be fairing?
must we be fairing?
must you be fairing?
must they be fairing? 	must I have faired?
must you have faired?
must he have faired?
must we have faired?
must you have faired?
must they have faired? 	must I have been fairing?
must you have been fairing?
must he have been fairing?
must we have been fairing?
must you have been fairing?
must they have been fairing? 	

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