Conjugación del verbo inglés
COULD STALE

Verbo regular: stale - staled - staled

Afirmación

Forma simple	Forma con V-ing
I could stale you could stale he could stale we could stale you could stale they could stale	I could be staling you could be staling he could be staling we could be staling you could be staling they could be staling
Perfecto	Perfecto con V-ing
I could have staled you could have staled he could have staled we could have staled you could have staled they could have staled	I could have been staling you could have been staling he could have been staling we could have been staling you could have been staling they could have been staling

Negación

Forma simple	Forma con V-ing
I could not stale you could not stale he could not stale we could not stale you could not stale they could not stale	I could not be staling you could not be staling he could not be staling we could not be staling you could not be staling they could not be staling
Perfecto	Perfecto con V-ing
I could not have staled you could not have staled he could not have staled we could not have staled you could not have staled they could not have staled	I could not have been staling you could not have been staling he could not have been staling we could not have been staling you could not have been staling they could not have been staling

Forma interrogativa

Forma simple	Forma con V-ing
could I stale? could you stale? could he stale? could we stale? could you stale? could they stale?	could I be staling? could you be staling? could he be staling? could we be staling? could you be staling? could they be staling?
Perfecto	Perfecto con V-ing
could I have staled? could you have staled? could he have staled? could we have staled? could you have staled? could they have staled?	could I have been staling? could you have been staling? could he have been staling? could we have been staling? could you have been staling? could they have been staling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not stale? could you not stale? could he not stale? could we not stale? could you not stale? could they not stale?	could I not be staling? could you not be staling? could he not be staling? could we not be staling? could you not be staling? could they not be staling?
Perfecto	Perfecto con V-ing
could I not have staled? could you not have staled? could he not have staled? could we not have staled? could you not have staled? could they not have staled?	could I not have been staling? could you not have been staling? could he not have been staling? could we not have been staling? could you not have been staling? could they not have been staling?