must plasticize
Verbo regular: plasticize - plasticized- plasticized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must plasticize
you must plasticize
he must plasticize
we must plasticize
you must plasticize
they must plasticize 	I must be plasticizing
you must be plasticizing
he must be plasticizing
we must be plasticizing
you must be plasticizing
they must be plasticizing	I must have plasticized
you must have plasticized
he 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
he must have been plasticizing
we must have been plasticizing
you must have been plasticizing
they must have been plasticizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not plasticize
you must not plasticize
he must not plasticize
we must not plasticize
you must not plasticize
they must not plasticize 	I must not be plasticizing
you must not be plasticizing
he must not be plasticizing
we must not be plasticizing
you must not be plasticizing
they must not be plasticizing	I must not have plasticized
you must not have plasticized
he must not have plasticized
we must not have plasticized
you must not have plasticized
they must not have plasticized	I must not have been plasticizing
you must not have been plasticizing
he must not have been plasticizing
we must not have been plasticizing
you must not have been plasticizing
they must not have been plasticizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I plasticize?
must you plasticize?
must he plasticize?
must we plasticize?
must you plasticize?
must they plasticize? 	must I be plasticizing?
must you be plasticizing?
must he be plasticizing?
must we be plasticizing?
must you be plasticizing?
must they be plasticizing? 	must I have plasticized?
must you have plasticized?
must he 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 he have been plasticizing?
must we have been plasticizing?
must you have been plasticizing?
must they have been plasticizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not plasticize?
must you not plasticize?
must he not plasticize?
must we not plasticize?
must you not plasticize?
must they not plasticize? 	must I not be plasticizing?
must you not be plasticizing?
must he not be plasticizing?
must we not be plasticizing?
must you not be plasticizing?
must they not be plasticizing? 	must I not have plasticized?
must you not have plasticized?
must he not have plasticized?
must we not have plasticized?
must you not have plasticized?
must they not have plasticized? 	must I not have been plasticizing?
must you not have been plasticizing?
must he not have been plasticizing?
must we not have been plasticizing?
must you not have been plasticizing?
must they not have been plasticizing?