Conjugación del verbo inglés
COULD TIRE

Verbo regular: tire - tired - tired

Afirmación

Forma simple	Forma con V-ing
I could tire you could tire he could tire we could tire you could tire they could tire	I could be tiring you could be tiring he could be tiring we could be tiring you could be tiring they could be tiring
Perfecto	Perfecto con V-ing
I could have tired you could have tired he could have tired we could have tired you could have tired they could have tired	I could have been tiring you could have been tiring he could have been tiring we could have been tiring you could have been tiring they could have been tiring

Negación

Forma simple	Forma con V-ing
I could not tire you could not tire he could not tire we could not tire you could not tire they could not tire	I could not be tiring you could not be tiring he could not be tiring we could not be tiring you could not be tiring they could not be tiring
Perfecto	Perfecto con V-ing
I could not have tired you could not have tired he could not have tired we could not have tired you could not have tired they could not have tired	I could not have been tiring you could not have been tiring he could not have been tiring we could not have been tiring you could not have been tiring they could not have been tiring

Forma interrogativa

Forma simple	Forma con V-ing
could I tire? could you tire? could he tire? could we tire? could you tire? could they tire?	could I be tiring? could you be tiring? could he be tiring? could we be tiring? could you be tiring? could they be tiring?
Perfecto	Perfecto con V-ing
could I have tired? could you have tired? could he have tired? could we have tired? could you have tired? could they have tired?	could I have been tiring? could you have been tiring? could he have been tiring? could we have been tiring? could you have been tiring? could they have been tiring?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not tire? could you not tire? could he not tire? could we not tire? could you not tire? could they not tire?	could I not be tiring? could you not be tiring? could he not be tiring? could we not be tiring? could you not be tiring? could they not be tiring?
Perfecto	Perfecto con V-ing
could I not have tired? could you not have tired? could he not have tired? could we not have tired? could you not have tired? could they not have tired?	could I not have been tiring? could you not have been tiring? could he not have been tiring? could we not have been tiring? could you not have been tiring? could they not have been tiring?