must decriminalize
Regular verb: decriminalize - decriminalized- decriminalized

Affirmation 	
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I must decriminalize
you must decriminalize
he must decriminalize
we must decriminalize
you must decriminalize
they must decriminalize 	I must be decriminalizing
you must be decriminalizing
he must be decriminalizing
we must be decriminalizing
you must be decriminalizing
they must be decriminalizing	I must have decriminalized
you must have decriminalized
he must have decriminalized
we must have decriminalized
you must have decriminalized
they must have decriminalized	I must have been decriminalizing
you must have been decriminalizing
he must have been decriminalizing
we must have been decriminalizing
you must have been decriminalizing
they must have been decriminalizing	

Negation 	
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I mustn't decriminalize
you mustn't decriminalize
he mustn't decriminalize
we mustn't decriminalize
you mustn't decriminalize
they mustn't decriminalize 	I mustn't be decriminalizing
you mustn't be decriminalizing
he mustn't be decriminalizing
we mustn't be decriminalizing
you mustn't be decriminalizing
they mustn't be decriminalizing	I mustn't have decriminalized
you mustn't have decriminalized
he mustn't have decriminalized
we mustn't have decriminalized
you mustn't have decriminalized
they mustn't have decriminalized	I mustn't have been decriminalizing
you mustn't have been decriminalizing
he mustn't have been decriminalizing
we mustn't have been decriminalizing
you mustn't have been decriminalizing
they mustn't have been decriminalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I decriminalize?
must you decriminalize?
must he decriminalize?
must we decriminalize?
must you decriminalize?
must they decriminalize? 	must I be decriminalizing?
must you be decriminalizing?
must he be decriminalizing?
must we be decriminalizing?
must you be decriminalizing?
must they be decriminalizing? 	must I have decriminalized?
must you have decriminalized?
must he have decriminalized?
must we have decriminalized?
must you have decriminalized?
must they have decriminalized? 	must I have been decriminalizing?
must you have been decriminalizing?
must he have been decriminalizing?
must we have been decriminalizing?
must you have been decriminalizing?
must they have been decriminalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I decriminalize?
mustn't you decriminalize?
mustn't he decriminalize?
mustn't we decriminalize?
mustn't you decriminalize?
mustn't they decriminalize? 	mustn't I be decriminalizing?
mustn't you be decriminalizing?
mustn't he be decriminalizing?
mustn't we be decriminalizing?
mustn't you be decriminalizing?
mustn't they be decriminalizing? 	mustn't I have decriminalized?
mustn't you have decriminalized?
mustn't he have decriminalized?
mustn't we have decriminalized?
mustn't you have decriminalized?
mustn't they have decriminalized? 	mustn't I have been decriminalizing?
mustn't you have been decriminalizing?
mustn't he have been decriminalizing?
mustn't we have been decriminalizing?
mustn't you have been decriminalizing?
mustn't they have been decriminalizing?