must depolymerize
Regular verb: depolymerize - depolymerized- depolymerized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must depolymerize
you must depolymerize
he must depolymerize
we must depolymerize
you must depolymerize
they must depolymerize 	I must be depolymerizing
you must be depolymerizing
he must be depolymerizing
we must be depolymerizing
you must be depolymerizing
they must be depolymerizing	I must have depolymerized
you must have depolymerized
he must have depolymerized
we must have depolymerized
you must have depolymerized
they must have depolymerized	I must have been depolymerizing
you must have been depolymerizing
he must have been depolymerizing
we must have been depolymerizing
you must have been depolymerizing
they must have been depolymerizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't depolymerize
you mustn't depolymerize
he mustn't depolymerize
we mustn't depolymerize
you mustn't depolymerize
they mustn't depolymerize 	I mustn't be depolymerizing
you mustn't be depolymerizing
he mustn't be depolymerizing
we mustn't be depolymerizing
you mustn't be depolymerizing
they mustn't be depolymerizing	I mustn't have depolymerized
you mustn't have depolymerized
he mustn't have depolymerized
we mustn't have depolymerized
you mustn't have depolymerized
they mustn't have depolymerized	I mustn't have been depolymerizing
you mustn't have been depolymerizing
he mustn't have been depolymerizing
we mustn't have been depolymerizing
you mustn't have been depolymerizing
they mustn't have been depolymerizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I depolymerize?
must you depolymerize?
must he depolymerize?
must we depolymerize?
must you depolymerize?
must they depolymerize? 	must I be depolymerizing?
must you be depolymerizing?
must he be depolymerizing?
must we be depolymerizing?
must you be depolymerizing?
must they be depolymerizing? 	must I have depolymerized?
must you have depolymerized?
must he have depolymerized?
must we have depolymerized?
must you have depolymerized?
must they have depolymerized? 	must I have been depolymerizing?
must you have been depolymerizing?
must he have been depolymerizing?
must we have been depolymerizing?
must you have been depolymerizing?
must they have been depolymerizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I depolymerize?
mustn't you depolymerize?
mustn't he depolymerize?
mustn't we depolymerize?
mustn't you depolymerize?
mustn't they depolymerize? 	mustn't I be depolymerizing?
mustn't you be depolymerizing?
mustn't he be depolymerizing?
mustn't we be depolymerizing?
mustn't you be depolymerizing?
mustn't they be depolymerizing? 	mustn't I have depolymerized?
mustn't you have depolymerized?
mustn't he have depolymerized?
mustn't we have depolymerized?
mustn't you have depolymerized?
mustn't they have depolymerized? 	mustn't I have been depolymerizing?
mustn't you have been depolymerizing?
mustn't he have been depolymerizing?
mustn't we have been depolymerizing?
mustn't you have been depolymerizing?
mustn't they have been depolymerizing?