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 couldn't tire you couldn't tire he couldn't tire we couldn't tire you couldn't tire they couldn't tire	I couldn't be tiring you couldn't be tiring he couldn't be tiring we couldn't be tiring you couldn't be tiring they couldn't be tiring
Perfecto	Perfecto con V-ing
I couldn't have tired you couldn't have tired he couldn't have tired we couldn't have tired you couldn't have tired they couldn't have tired	I couldn't have been tiring you couldn't have been tiring he couldn't have been tiring we couldn't have been tiring you couldn't have been tiring they couldn't 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
couldn't I tire? couldn't you tire? couldn't he tire? couldn't we tire? couldn't you tire? couldn't they tire?	couldn't I be tiring? couldn't you be tiring? couldn't he be tiring? couldn't we be tiring? couldn't you be tiring? couldn't they be tiring?
Perfecto	Perfecto con V-ing
couldn't I have tired? couldn't you have tired? couldn't he have tired? couldn't we have tired? couldn't you have tired? couldn't they have tired?	couldn't I have been tiring? couldn't you have been tiring? couldn't he have been tiring? couldn't we have been tiring? couldn't you have been tiring? couldn't they have been tiring?