I could begone you could begone he could begone we could begone you could begone they could begone
Forma com V-ing
I could be begoning you could be begoning he could be begoning we could be begoning you could be begoning they could be begoning
Perfeito
I could have begoned you could have begoned he could have begoned we could have begoned you could have begoned they could have begoned
Perfeito com V-ing
I could have been begoning you could have been begoning he could have been begoning we could have been begoning you could have been begoning they could have been begoning
Negação
Forma simple
I could not begone you could not begone he could not begone we could not begone you could not begone they could not begone
Forma com V-ing
I could not be begoning you could not be begoning he could not be begoning we could not be begoning you could not be begoning they could not be begoning
Perfeito
I could not have begoned you could not have begoned he could not have begoned we could not have begoned you could not have begoned they could not have begoned
Perfeito com V-ing
I could not have been begoning you could not have been begoning he could not have been begoning we could not have been begoning you could not have been begoning they could not have been begoning
Forma interrogativa
Forma simple
could I begone? could you begone? could he begone? could we begone? could you begone? could they begone?
Forma com V-ing
could I be begoning? could you be begoning? could he be begoning? could we be begoning? could you be begoning? could they be begoning?
Perfeito
could I have begoned? could you have begoned? could he have begoned? could we have begoned? could you have begoned? could they have begoned?
Perfeito com V-ing
could I have been begoning? could you have been begoning? could he have been begoning? could we have been begoning? could you have been begoning? could they have been begoning?
Forma interro-Negação
Forma simple
could I not begone? could you not begone? could he not begone? could we not begone? could you not begone? could they not begone?
Forma com V-ing
could I not be begoning? could you not be begoning? could he not be begoning? could we not be begoning? could you not be begoning? could they not be begoning?
Perfeito
could I not have begoned? could you not have begoned? could he not have begoned? could we not have begoned? could you not have begoned? could they not have begoned?
Perfeito com V-ing
could I not have been begoning? could you not have been begoning? could he not have been begoning? could we not have been begoning? could you not have been begoning? could they not have been begoning?