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 must not vulgarize
you must not vulgarize
he must not vulgarize
we must not vulgarize
you must not vulgarize
they must not vulgarize 	I must not be vulgarizing
you must not be vulgarizing
he must not be vulgarizing
we must not be vulgarizing
you must not be vulgarizing
they must not be vulgarizing	I must not have vulgarized
you must not have vulgarized
he must not have vulgarized
we must not have vulgarized
you must not have vulgarized
they must not have vulgarized	I must not have been vulgarizing
you must not have been vulgarizing
he must not have been vulgarizing
we must not have been vulgarizing
you must not have been vulgarizing
they must not 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 	
must I not vulgarize?
must you not vulgarize?
must he not vulgarize?
must we not vulgarize?
must you not vulgarize?
must they not vulgarize? 	must I not be vulgarizing?
must you not be vulgarizing?
must he not be vulgarizing?
must we not be vulgarizing?
must you not be vulgarizing?
must they not be vulgarizing? 	must I not have vulgarized?
must you not have vulgarized?
must he not have vulgarized?
must we not have vulgarized?
must you not have vulgarized?
must they not have vulgarized? 	must I not have been vulgarizing?
must you not have been vulgarizing?
must he not have been vulgarizing?
must we not have been vulgarizing?
must you not have been vulgarizing?
must they not have been vulgarizing?