must plasticise
Regular verb: plasticise - plasticised- plasticised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must plasticise
you must plasticise
she must plasticise
we must plasticise
you must plasticise
they must plasticise 	I must be plasticising
you must be plasticising
she must be plasticising
we must be plasticising
you must be plasticising
they must be plasticising	I must have plasticised
you must have plasticised
she must have plasticised
we must have plasticised
you must have plasticised
they must have plasticised	I must have been plasticising
you must have been plasticising
she must have been plasticising
we must have been plasticising
you must have been plasticising
they must have been plasticising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't plasticise
you mustn't plasticise
she mustn't plasticise
we mustn't plasticise
you mustn't plasticise
they mustn't plasticise 	I mustn't be plasticising
you mustn't be plasticising
she mustn't be plasticising
we mustn't be plasticising
you mustn't be plasticising
they mustn't be plasticising	I mustn't have plasticised
you mustn't have plasticised
she mustn't have plasticised
we mustn't have plasticised
you mustn't have plasticised
they mustn't have plasticised	I mustn't have been plasticising
you mustn't have been plasticising
she mustn't have been plasticising
we mustn't have been plasticising
you mustn't have been plasticising
they mustn't have been plasticising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I plasticise?
must you plasticise?
must she plasticise?
must we plasticise?
must you plasticise?
must they plasticise? 	must I be plasticising?
must you be plasticising?
must she be plasticising?
must we be plasticising?
must you be plasticising?
must they be plasticising? 	must I have plasticised?
must you have plasticised?
must she have plasticised?
must we have plasticised?
must you have plasticised?
must they have plasticised? 	must I have been plasticising?
must you have been plasticising?
must she have been plasticising?
must we have been plasticising?
must you have been plasticising?
must they have been plasticising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I plasticise?
mustn't you plasticise?
mustn't she plasticise?
mustn't we plasticise?
mustn't you plasticise?
mustn't they plasticise? 	mustn't I be plasticising?
mustn't you be plasticising?
mustn't she be plasticising?
mustn't we be plasticising?
mustn't you be plasticising?
mustn't they be plasticising? 	mustn't I have plasticised?
mustn't you have plasticised?
mustn't she have plasticised?
mustn't we have plasticised?
mustn't you have plasticised?
mustn't they have plasticised? 	mustn't I have been plasticising?
mustn't you have been plasticising?
mustn't she have been plasticising?
mustn't we have been plasticising?
mustn't you have been plasticising?
mustn't they have been plasticising?