could polymerize
Verbo regular: polymerize - polymerized- polymerized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could polymerize
you could polymerize
he could polymerize
we could polymerize
you could polymerize
they could polymerize 	I could be polymerizing
you could be polymerizing
he could be polymerizing
we could be polymerizing
you could be polymerizing
they could be polymerizing	I could have polymerized
you could have polymerized
he could have polymerized
we could have polymerized
you could have polymerized
they could have polymerized	I could have been polymerizing
you could have been polymerizing
he could have been polymerizing
we could have been polymerizing
you could have been polymerizing
they could have been polymerizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't polymerize
you couldn't polymerize
he couldn't polymerize
we couldn't polymerize
you couldn't polymerize
they couldn't polymerize 	I couldn't be polymerizing
you couldn't be polymerizing
he couldn't be polymerizing
we couldn't be polymerizing
you couldn't be polymerizing
they couldn't be polymerizing	I couldn't have polymerized
you couldn't have polymerized
he couldn't have polymerized
we couldn't have polymerized
you couldn't have polymerized
they couldn't have polymerized	I couldn't have been polymerizing
you couldn't have been polymerizing
he couldn't have been polymerizing
we couldn't have been polymerizing
you couldn't have been polymerizing
they couldn't have been polymerizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I polymerize?
could you polymerize?
could he polymerize?
could we polymerize?
could you polymerize?
could they polymerize? 	could I be polymerizing?
could you be polymerizing?
could he be polymerizing?
could we be polymerizing?
could you be polymerizing?
could they be polymerizing? 	could I have polymerized?
could you have polymerized?
could he have polymerized?
could we have polymerized?
could you have polymerized?
could they have polymerized? 	could I have been polymerizing?
could you have been polymerizing?
could he have been polymerizing?
could we have been polymerizing?
could you have been polymerizing?
could they have been polymerizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I polymerize?
couldn't you polymerize?
couldn't he polymerize?
couldn't we polymerize?
couldn't you polymerize?
couldn't they polymerize? 	couldn't I be polymerizing?
couldn't you be polymerizing?
couldn't he be polymerizing?
couldn't we be polymerizing?
couldn't you be polymerizing?
couldn't they be polymerizing? 	couldn't I have polymerized?
couldn't you have polymerized?
couldn't he have polymerized?
couldn't we have polymerized?
couldn't you have polymerized?
couldn't they have polymerized? 	couldn't I have been polymerizing?
couldn't you have been polymerizing?
couldn't he have been polymerizing?
couldn't we have been polymerizing?
couldn't you have been polymerizing?
couldn't they have been polymerizing?