must vulgarize
Regular verb: vulgarize - vulgarized- vulgarized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must vulgarize
you must vulgarize
he must vulgarize
we must vulgarize
you must vulgarize
they must vulgarize 	I must be vulgarizing
you must be vulgarizing
he must be vulgarizing
we must be vulgarizing
you must be vulgarizing
they must be vulgarizing	I must have vulgarized
you must have vulgarized
he must have vulgarized
we must have vulgarized
you must have vulgarized
they must have vulgarized	I must have been vulgarizing
you must have been vulgarizing
he must have been vulgarizing
we must have been vulgarizing
you must have been vulgarizing
they must have been vulgarizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't vulgarize
you mustn't vulgarize
he mustn't vulgarize
we mustn't vulgarize
you mustn't vulgarize
they mustn't vulgarize 	I mustn't be vulgarizing
you mustn't be vulgarizing
he mustn't be vulgarizing
we mustn't be vulgarizing
you mustn't be vulgarizing
they mustn't be vulgarizing	I mustn't have vulgarized
you mustn't have vulgarized
he mustn't have vulgarized
we mustn't have vulgarized
you mustn't have vulgarized
they mustn't have vulgarized	I mustn't have been vulgarizing
you mustn't have been vulgarizing
he mustn't have been vulgarizing
we mustn't have been vulgarizing
you mustn't have been vulgarizing
they mustn't have been vulgarizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I vulgarize?
must you vulgarize?
must he vulgarize?
must we vulgarize?
must you vulgarize?
must they vulgarize? 	must I be vulgarizing?
must you be vulgarizing?
must he be vulgarizing?
must we be vulgarizing?
must you be vulgarizing?
must they be vulgarizing? 	must I have vulgarized?
must you have vulgarized?
must he have vulgarized?
must we have vulgarized?
must you have vulgarized?
must they have vulgarized? 	must I have been vulgarizing?
must you have been vulgarizing?
must he have been vulgarizing?
must we have been vulgarizing?
must you have been vulgarizing?
must they have been vulgarizing? 	

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