Conjugação do verbo inglês
COULD BUM

Verbo regular: bum - bummed - bummed

Afirmação

Forma simple	Forma com V-ing
I could bum you could bum she could bum we could bum you could bum they could bum	I could be bumming you could be bumming she could be bumming we could be bumming you could be bumming they could be bumming
Perfeito	Perfeito com V-ing
I could have bummed you could have bummed she could have bummed we could have bummed you could have bummed they could have bummed	I could have been bumming you could have been bumming she could have been bumming we could have been bumming you could have been bumming they could have been bumming

Negação

Forma simple	Forma com V-ing
I could not bum you could not bum she could not bum we could not bum you could not bum they could not bum	I could not be bumming you could not be bumming she could not be bumming we could not be bumming you could not be bumming they could not be bumming
Perfeito	Perfeito com V-ing
I could not have bummed you could not have bummed she could not have bummed we could not have bummed you could not have bummed they could not have bummed	I could not have been bumming you could not have been bumming she could not have been bumming we could not have been bumming you could not have been bumming they could not have been bumming

Forma interrogativa

Forma simple	Forma com V-ing
could I bum? could you bum? could she bum? could we bum? could you bum? could they bum?	could I be bumming? could you be bumming? could she be bumming? could we be bumming? could you be bumming? could they be bumming?
Perfeito	Perfeito com V-ing
could I have bummed? could you have bummed? could she have bummed? could we have bummed? could you have bummed? could they have bummed?	could I have been bumming? could you have been bumming? could she have been bumming? could we have been bumming? could you have been bumming? could they have been bumming?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not bum? could you not bum? could she not bum? could we not bum? could you not bum? could they not bum?	could I not be bumming? could you not be bumming? could she not be bumming? could we not be bumming? could you not be bumming? could they not be bumming?
Perfeito	Perfeito com V-ing
could I not have bummed? could you not have bummed? could she not have bummed? could we not have bummed? could you not have bummed? could they not have bummed?	could I not have been bumming? could you not have been bumming? could she not have been bumming? could we not have been bumming? could you not have been bumming? could they not have been bumming?