could approach
Verbo regular: approach - approached- approached

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could approach
you could approach
he could approach
we could approach
you could approach
they could approach 	I could be approaching
you could be approaching
he could be approaching
we could be approaching
you could be approaching
they could be approaching	I could have approached
you could have approached
he could have approached
we could have approached
you could have approached
they could have approached	I could have been approaching
you could have been approaching
he could have been approaching
we could have been approaching
you could have been approaching
they could have been approaching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not approach
you could not approach
he could not approach
we could not approach
you could not approach
they could not approach 	I could not be approaching
you could not be approaching
he could not be approaching
we could not be approaching
you could not be approaching
they could not be approaching	I could not have approached
you could not have approached
he could not have approached
we could not have approached
you could not have approached
they could not have approached	I could not have been approaching
you could not have been approaching
he could not have been approaching
we could not have been approaching
you could not have been approaching
they could not have been approaching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I approach?
could you approach?
could he approach?
could we approach?
could you approach?
could they approach? 	could I be approaching?
could you be approaching?
could he be approaching?
could we be approaching?
could you be approaching?
could they be approaching? 	could I have approached?
could you have approached?
could he have approached?
could we have approached?
could you have approached?
could they have approached? 	could I have been approaching?
could you have been approaching?
could he have been approaching?
could we have been approaching?
could you have been approaching?
could they have been approaching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not approach?
could you not approach?
could he not approach?
could we not approach?
could you not approach?
could they not approach? 	could I not be approaching?
could you not be approaching?
could he not be approaching?
could we not be approaching?
could you not be approaching?
could they not be approaching? 	could I not have approached?
could you not have approached?
could he not have approached?
could we not have approached?
could you not have approached?
could they not have approached? 	could I not have been approaching?
could you not have been approaching?
could he not have been approaching?
could we not have been approaching?
could you not have been approaching?
could they not have been approaching?