could vizor
Verbo regular: vizor - vizored- vizored

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could vizor
you could vizor
he could vizor
we could vizor
you could vizor
they could vizor 	I could be vizoring
you could be vizoring
he could be vizoring
we could be vizoring
you could be vizoring
they could be vizoring	I could have vizored
you could have vizored
he could have vizored
we could have vizored
you could have vizored
they could have vizored	I could have been vizoring
you could have been vizoring
he could have been vizoring
we could have been vizoring
you could have been vizoring
they could have been vizoring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not vizor
you could not vizor
he could not vizor
we could not vizor
you could not vizor
they could not vizor 	I could not be vizoring
you could not be vizoring
he could not be vizoring
we could not be vizoring
you could not be vizoring
they could not be vizoring	I could not have vizored
you could not have vizored
he could not have vizored
we could not have vizored
you could not have vizored
they could not have vizored	I could not have been vizoring
you could not have been vizoring
he could not have been vizoring
we could not have been vizoring
you could not have been vizoring
they could not have been vizoring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I vizor?
could you vizor?
could he vizor?
could we vizor?
could you vizor?
could they vizor? 	could I be vizoring?
could you be vizoring?
could he be vizoring?
could we be vizoring?
could you be vizoring?
could they be vizoring? 	could I have vizored?
could you have vizored?
could he have vizored?
could we have vizored?
could you have vizored?
could they have vizored? 	could I have been vizoring?
could you have been vizoring?
could he have been vizoring?
could we have been vizoring?
could you have been vizoring?
could they have been vizoring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not vizor?
could you not vizor?
could he not vizor?
could we not vizor?
could you not vizor?
could they not vizor? 	could I not be vizoring?
could you not be vizoring?
could he not be vizoring?
could we not be vizoring?
could you not be vizoring?
could they not be vizoring? 	could I not have vizored?
could you not have vizored?
could he not have vizored?
could we not have vizored?
could you not have vizored?
could they not have vizored? 	could I not have been vizoring?
could you not have been vizoring?
could he not have been vizoring?
could we not have been vizoring?
could you not have been vizoring?
could they not have been vizoring?