could see
Verbo irregular: see - saw- seen

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could see
you could see
he could see
we could see
you could see
they could see 	I could be seeing
you could be seeing
he could be seeing
we could be seeing
you could be seeing
they could be seeing	I could have seen
you could have seen
he could have seen
we could have seen
you could have seen
they could have seen	I could have been seeing
you could have been seeing
he could have been seeing
we could have been seeing
you could have been seeing
they could have been seeing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not see
you could not see
he could not see
we could not see
you could not see
they could not see 	I could not be seeing
you could not be seeing
he could not be seeing
we could not be seeing
you could not be seeing
they could not be seeing	I could not have seen
you could not have seen
he could not have seen
we could not have seen
you could not have seen
they could not have seen	I could not have been seeing
you could not have been seeing
he could not have been seeing
we could not have been seeing
you could not have been seeing
they could not have been seeing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I see?
could you see?
could he see?
could we see?
could you see?
could they see? 	could I be seeing?
could you be seeing?
could he be seeing?
could we be seeing?
could you be seeing?
could they be seeing? 	could I have seen?
could you have seen?
could he have seen?
could we have seen?
could you have seen?
could they have seen? 	could I have been seeing?
could you have been seeing?
could he have been seeing?
could we have been seeing?
could you have been seeing?
could they have been seeing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not see?
could you not see?
could he not see?
could we not see?
could you not see?
could they not see? 	could I not be seeing?
could you not be seeing?
could he not be seeing?
could we not be seeing?
could you not be seeing?
could they not be seeing? 	could I not have seen?
could you not have seen?
could he not have seen?
could we not have seen?
could you not have seen?
could they not have seen? 	could I not have been seeing?
could you not have been seeing?
could he not have been seeing?
could we not have been seeing?
could you not have been seeing?
could they not have been seeing?