must comminute
Regular verb: comminute - comminuted- comminuted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must comminute
you must comminute
he must comminute
we must comminute
you must comminute
they must comminute 	I must be comminuting
you must be comminuting
he must be comminuting
we must be comminuting
you must be comminuting
they must be comminuting	I must have comminuted
you must have comminuted
he must have comminuted
we must have comminuted
you must have comminuted
they must have comminuted	I must have been comminuting
you must have been comminuting
he must have been comminuting
we must have been comminuting
you must have been comminuting
they must have been comminuting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't comminute
you mustn't comminute
he mustn't comminute
we mustn't comminute
you mustn't comminute
they mustn't comminute 	I mustn't be comminuting
you mustn't be comminuting
he mustn't be comminuting
we mustn't be comminuting
you mustn't be comminuting
they mustn't be comminuting	I mustn't have comminuted
you mustn't have comminuted
he mustn't have comminuted
we mustn't have comminuted
you mustn't have comminuted
they mustn't have comminuted	I mustn't have been comminuting
you mustn't have been comminuting
he mustn't have been comminuting
we mustn't have been comminuting
you mustn't have been comminuting
they mustn't have been comminuting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I comminute?
must you comminute?
must he comminute?
must we comminute?
must you comminute?
must they comminute? 	must I be comminuting?
must you be comminuting?
must he be comminuting?
must we be comminuting?
must you be comminuting?
must they be comminuting? 	must I have comminuted?
must you have comminuted?
must he have comminuted?
must we have comminuted?
must you have comminuted?
must they have comminuted? 	must I have been comminuting?
must you have been comminuting?
must he have been comminuting?
must we have been comminuting?
must you have been comminuting?
must they have been comminuting? 	

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