must decriminalize
Regular verb: decriminalize - decriminalized- decriminalized

Affirmation 	
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I must decriminalize
you must decriminalize
she must decriminalize
we must decriminalize
you must decriminalize
they must decriminalize 	I must be decriminalizing
you must be decriminalizing
she must be decriminalizing
we must be decriminalizing
you must be decriminalizing
they must be decriminalizing	I must have decriminalized
you must have decriminalized
she 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
she 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
she 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
she 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
she 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
she 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 she decriminalize?
must we decriminalize?
must you decriminalize?
must they decriminalize? 	must I be decriminalizing?
must you be decriminalizing?
must she be decriminalizing?
must we be decriminalizing?
must you be decriminalizing?
must they be decriminalizing? 	must I have decriminalized?
must you have decriminalized?
must she 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 she 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 she 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 she 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 she 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 she have been decriminalizing?
mustn't we have been decriminalizing?
mustn't you have been decriminalizing?
mustn't they have been decriminalizing?