Conjugación del verbo inglés
COULD UM

Verbo regular: um - umed - umed

Afirmación

Forma simple	Forma con V-ing
I could um you could um he could um we could um you could um they could um	I could be uming you could be uming he could be uming we could be uming you could be uming they could be uming
Perfecto	Perfecto con V-ing
I could have umed you could have umed he could have umed we could have umed you could have umed they could have umed	I could have been uming you could have been uming he could have been uming we could have been uming you could have been uming they could have been uming

Negación

Forma simple	Forma con V-ing
I could not um you could not um he could not um we could not um you could not um they could not um	I could not be uming you could not be uming he could not be uming we could not be uming you could not be uming they could not be uming
Perfecto	Perfecto con V-ing
I could not have umed you could not have umed he could not have umed we could not have umed you could not have umed they could not have umed	I could not have been uming you could not have been uming he could not have been uming we could not have been uming you could not have been uming they could not have been uming

Forma interrogativa

Forma simple	Forma con V-ing
could I um? could you um? could he um? could we um? could you um? could they um?	could I be uming? could you be uming? could he be uming? could we be uming? could you be uming? could they be uming?
Perfecto	Perfecto con V-ing
could I have umed? could you have umed? could he have umed? could we have umed? could you have umed? could they have umed?	could I have been uming? could you have been uming? could he have been uming? could we have been uming? could you have been uming? could they have been uming?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not um? could you not um? could he not um? could we not um? could you not um? could they not um?	could I not be uming? could you not be uming? could he not be uming? could we not be uming? could you not be uming? could they not be uming?
Perfecto	Perfecto con V-ing
could I not have umed? could you not have umed? could he not have umed? could we not have umed? could you not have umed? could they not have umed?	could I not have been uming? could you not have been uming? could he not have been uming? could we not have been uming? could you not have been uming? could they not have been uming?