I could break you could break he could break we could break you could break they could break
Forma com V-ing
I could be breaking you could be breaking he could be breaking we could be breaking you could be breaking they could be breaking
Perfeito
I could have broken you could have broken he could have broken we could have broken you could have broken they could have broken
Perfeito com V-ing
I could have been breaking you could have been breaking he could have been breaking we could have been breaking you could have been breaking they could have been breaking
Negação
Forma simple
I could not break you could not break he could not break we could not break you could not break they could not break
Forma com V-ing
I could not be breaking you could not be breaking he could not be breaking we could not be breaking you could not be breaking they could not be breaking
Perfeito
I could not have broken you could not have broken he could not have broken we could not have broken you could not have broken they could not have broken
Perfeito com V-ing
I could not have been breaking you could not have been breaking he could not have been breaking we could not have been breaking you could not have been breaking they could not have been breaking
Forma interrogativa
Forma simple
could I break? could you break? could he break? could we break? could you break? could they break?
Forma com V-ing
could I be breaking? could you be breaking? could he be breaking? could we be breaking? could you be breaking? could they be breaking?
Perfeito
could I have broken? could you have broken? could he have broken? could we have broken? could you have broken? could they have broken?
Perfeito com V-ing
could I have been breaking? could you have been breaking? could he have been breaking? could we have been breaking? could you have been breaking? could they have been breaking?
Forma interro-Negação
Forma simple
could I not break? could you not break? could he not break? could we not break? could you not break? could they not break?
Forma com V-ing
could I not be breaking? could you not be breaking? could he not be breaking? could we not be breaking? could you not be breaking? could they not be breaking?
Perfeito
could I not have broken? could you not have broken? could he not have broken? could we not have broken? could you not have broken? could they not have broken?
Perfeito com V-ing
could I not have been breaking? could you not have been breaking? could he not have been breaking? could we not have been breaking? could you not have been breaking? could they not have been breaking?