must husk
Regular verb: husk - husked- husked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must husk
you must husk
he must husk
we must husk
you must husk
they must husk 	I must be husking
you must be husking
he must be husking
we must be husking
you must be husking
they must be husking	I must have husked
you must have husked
he must have husked
we must have husked
you must have husked
they must have husked	I must have been husking
you must have been husking
he must have been husking
we must have been husking
you must have been husking
they must have been husking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't husk
you mustn't husk
he mustn't husk
we mustn't husk
you mustn't husk
they mustn't husk 	I mustn't be husking
you mustn't be husking
he mustn't be husking
we mustn't be husking
you mustn't be husking
they mustn't be husking	I mustn't have husked
you mustn't have husked
he mustn't have husked
we mustn't have husked
you mustn't have husked
they mustn't have husked	I mustn't have been husking
you mustn't have been husking
he mustn't have been husking
we mustn't have been husking
you mustn't have been husking
they mustn't have been husking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I husk?
must you husk?
must he husk?
must we husk?
must you husk?
must they husk? 	must I be husking?
must you be husking?
must he be husking?
must we be husking?
must you be husking?
must they be husking? 	must I have husked?
must you have husked?
must he have husked?
must we have husked?
must you have husked?
must they have husked? 	must I have been husking?
must you have been husking?
must he have been husking?
must we have been husking?
must you have been husking?
must they have been husking? 	

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