Conjugação do verbo inglês
COULD CHUFF

Verbo regular: chuff - chuffed - chuffed

Afirmação

Forma simple	Forma com V-ing
I could chuff you could chuff he could chuff we could chuff you could chuff they could chuff	I could be chuffing you could be chuffing he could be chuffing we could be chuffing you could be chuffing they could be chuffing
Perfeito	Perfeito com V-ing
I could have chuffed you could have chuffed he could have chuffed we could have chuffed you could have chuffed they could have chuffed	I could have been chuffing you could have been chuffing he could have been chuffing we could have been chuffing you could have been chuffing they could have been chuffing

Negação

Forma simple	Forma com V-ing
I could not chuff you could not chuff he could not chuff we could not chuff you could not chuff they could not chuff	I could not be chuffing you could not be chuffing he could not be chuffing we could not be chuffing you could not be chuffing they could not be chuffing
Perfeito	Perfeito com V-ing
I could not have chuffed you could not have chuffed he could not have chuffed we could not have chuffed you could not have chuffed they could not have chuffed	I could not have been chuffing you could not have been chuffing he could not have been chuffing we could not have been chuffing you could not have been chuffing they could not have been chuffing

Forma interrogativa

Forma simple	Forma com V-ing
could I chuff? could you chuff? could he chuff? could we chuff? could you chuff? could they chuff?	could I be chuffing? could you be chuffing? could he be chuffing? could we be chuffing? could you be chuffing? could they be chuffing?
Perfeito	Perfeito com V-ing
could I have chuffed? could you have chuffed? could he have chuffed? could we have chuffed? could you have chuffed? could they have chuffed?	could I have been chuffing? could you have been chuffing? could he have been chuffing? could we have been chuffing? could you have been chuffing? could they have been chuffing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not chuff? could you not chuff? could he not chuff? could we not chuff? could you not chuff? could they not chuff?	could I not be chuffing? could you not be chuffing? could he not be chuffing? could we not be chuffing? could you not be chuffing? could they not be chuffing?
Perfeito	Perfeito com V-ing
could I not have chuffed? could you not have chuffed? could he not have chuffed? could we not have chuffed? could you not have chuffed? could they not have chuffed?	could I not have been chuffing? could you not have been chuffing? could he not have been chuffing? could we not have been chuffing? could you not have been chuffing? could they not have been chuffing?