could symmetrize
Verbo regular: symmetrize - symmetrized- symmetrized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could symmetrize
you could symmetrize
he could symmetrize
we could symmetrize
you could symmetrize
they could symmetrize 	I could be symmetrizing
you could be symmetrizing
he could be symmetrizing
we could be symmetrizing
you could be symmetrizing
they could be symmetrizing	I could have symmetrized
you could have symmetrized
he could have symmetrized
we could have symmetrized
you could have symmetrized
they could have symmetrized	I could have been symmetrizing
you could have been symmetrizing
he could have been symmetrizing
we could have been symmetrizing
you could have been symmetrizing
they could have been symmetrizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not symmetrize
you could not symmetrize
he could not symmetrize
we could not symmetrize
you could not symmetrize
they could not symmetrize 	I could not be symmetrizing
you could not be symmetrizing
he could not be symmetrizing
we could not be symmetrizing
you could not be symmetrizing
they could not be symmetrizing	I could not have symmetrized
you could not have symmetrized
he could not have symmetrized
we could not have symmetrized
you could not have symmetrized
they could not have symmetrized	I could not have been symmetrizing
you could not have been symmetrizing
he could not have been symmetrizing
we could not have been symmetrizing
you could not have been symmetrizing
they could not have been symmetrizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I symmetrize?
could you symmetrize?
could he symmetrize?
could we symmetrize?
could you symmetrize?
could they symmetrize? 	could I be symmetrizing?
could you be symmetrizing?
could he be symmetrizing?
could we be symmetrizing?
could you be symmetrizing?
could they be symmetrizing? 	could I have symmetrized?
could you have symmetrized?
could he have symmetrized?
could we have symmetrized?
could you have symmetrized?
could they have symmetrized? 	could I have been symmetrizing?
could you have been symmetrizing?
could he have been symmetrizing?
could we have been symmetrizing?
could you have been symmetrizing?
could they have been symmetrizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not symmetrize?
could you not symmetrize?
could he not symmetrize?
could we not symmetrize?
could you not symmetrize?
could they not symmetrize? 	could I not be symmetrizing?
could you not be symmetrizing?
could he not be symmetrizing?
could we not be symmetrizing?
could you not be symmetrizing?
could they not be symmetrizing? 	could I not have symmetrized?
could you not have symmetrized?
could he not have symmetrized?
could we not have symmetrized?
could you not have symmetrized?
could they not have symmetrized? 	could I not have been symmetrizing?
could you not have been symmetrizing?
could he not have been symmetrizing?
could we not have been symmetrizing?
could you not have been symmetrizing?
could they not have been symmetrizing?