must plasticise
Verbo regular: plasticise - plasticised- plasticised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must plasticise
you must plasticise
he must plasticise
we must plasticise
you must plasticise
they must plasticise 	I must be plasticising
you must be plasticising
he must be plasticising
we must be plasticising
you must be plasticising
they must be plasticising	I must have plasticised
you must have plasticised
he 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
he must have been plasticising
we must have been plasticising
you must have been plasticising
they must have been plasticising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't plasticise
you mustn't plasticise
he 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
he 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
he 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
he mustn't have been plasticising
we mustn't have been plasticising
you mustn't have been plasticising
they mustn't have been plasticising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I plasticise?
must you plasticise?
must he plasticise?
must we plasticise?
must you plasticise?
must they plasticise? 	must I be plasticising?
must you be plasticising?
must he be plasticising?
must we be plasticising?
must you be plasticising?
must they be plasticising? 	must I have plasticised?
must you have plasticised?
must he 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 he have been plasticising?
must we have been plasticising?
must you have been plasticising?
must they have been plasticising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I plasticise?
mustn't you plasticise?
mustn't he 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 he 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 he 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 he have been plasticising?
mustn't we have been plasticising?
mustn't you have been plasticising?
mustn't they have been plasticising?