must plasticize
Regular verb: plasticize - plasticized- plasticized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must plasticize
you must plasticize
she must plasticize
we must plasticize
you must plasticize
they must plasticize 	I must be plasticizing
you must be plasticizing
she must be plasticizing
we must be plasticizing
you must be plasticizing
they must be plasticizing	I must have plasticized
you must have plasticized
she must have plasticized
we must have plasticized
you must have plasticized
they must have plasticized	I must have been plasticizing
you must have been plasticizing
she must have been plasticizing
we must have been plasticizing
you must have been plasticizing
they must have been plasticizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't plasticize
you mustn't plasticize
she mustn't plasticize
we mustn't plasticize
you mustn't plasticize
they mustn't plasticize 	I mustn't be plasticizing
you mustn't be plasticizing
she mustn't be plasticizing
we mustn't be plasticizing
you mustn't be plasticizing
they mustn't be plasticizing	I mustn't have plasticized
you mustn't have plasticized
she mustn't have plasticized
we mustn't have plasticized
you mustn't have plasticized
they mustn't have plasticized	I mustn't have been plasticizing
you mustn't have been plasticizing
she mustn't have been plasticizing
we mustn't have been plasticizing
you mustn't have been plasticizing
they mustn't have been plasticizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I plasticize?
must you plasticize?
must she plasticize?
must we plasticize?
must you plasticize?
must they plasticize? 	must I be plasticizing?
must you be plasticizing?
must she be plasticizing?
must we be plasticizing?
must you be plasticizing?
must they be plasticizing? 	must I have plasticized?
must you have plasticized?
must she have plasticized?
must we have plasticized?
must you have plasticized?
must they have plasticized? 	must I have been plasticizing?
must you have been plasticizing?
must she have been plasticizing?
must we have been plasticizing?
must you have been plasticizing?
must they have been plasticizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I plasticize?
mustn't you plasticize?
mustn't she plasticize?
mustn't we plasticize?
mustn't you plasticize?
mustn't they plasticize? 	mustn't I be plasticizing?
mustn't you be plasticizing?
mustn't she be plasticizing?
mustn't we be plasticizing?
mustn't you be plasticizing?
mustn't they be plasticizing? 	mustn't I have plasticized?
mustn't you have plasticized?
mustn't she have plasticized?
mustn't we have plasticized?
mustn't you have plasticized?
mustn't they have plasticized? 	mustn't I have been plasticizing?
mustn't you have been plasticizing?
mustn't she have been plasticizing?
mustn't we have been plasticizing?
mustn't you have been plasticizing?
mustn't they have been plasticizing?