I could chow you could chow he could chow we could chow you could chow they could chow
Forma con V-ing
I could be chowing you could be chowing he could be chowing we could be chowing you could be chowing they could be chowing
Perfecto
I could have chowed you could have chowed he could have chowed we could have chowed you could have chowed they could have chowed
Perfecto con V-ing
I could have been chowing you could have been chowing he could have been chowing we could have been chowing you could have been chowing they could have been chowing
Negación
Forma simple
I could not chow you could not chow he could not chow we could not chow you could not chow they could not chow
Forma con V-ing
I could not be chowing you could not be chowing he could not be chowing we could not be chowing you could not be chowing they could not be chowing
Perfecto
I could not have chowed you could not have chowed he could not have chowed we could not have chowed you could not have chowed they could not have chowed
Perfecto con V-ing
I could not have been chowing you could not have been chowing he could not have been chowing we could not have been chowing you could not have been chowing they could not have been chowing
Forma interrogativa
Forma simple
could I chow? could you chow? could he chow? could we chow? could you chow? could they chow?
Forma con V-ing
could I be chowing? could you be chowing? could he be chowing? could we be chowing? could you be chowing? could they be chowing?
Perfecto
could I have chowed? could you have chowed? could he have chowed? could we have chowed? could you have chowed? could they have chowed?
Perfecto con V-ing
could I have been chowing? could you have been chowing? could he have been chowing? could we have been chowing? could you have been chowing? could they have been chowing?
Forma interro-negativa
Forma simple
could I not chow? could you not chow? could he not chow? could we not chow? could you not chow? could they not chow?
Forma con V-ing
could I not be chowing? could you not be chowing? could he not be chowing? could we not be chowing? could you not be chowing? could they not be chowing?
Perfecto
could I not have chowed? could you not have chowed? could he not have chowed? could we not have chowed? could you not have chowed? could they not have chowed?
Perfecto con V-ing
could I not have been chowing? could you not have been chowing? could he not have been chowing? could we not have been chowing? could you not have been chowing? could they not have been chowing?