I could decide you could decide she could decide we could decide you could decide they could decide
Forma com V-ing
I could be deciding you could be deciding she could be deciding we could be deciding you could be deciding they could be deciding
Perfeito
I could have decided you could have decided she could have decided we could have decided you could have decided they could have decided
Perfeito com V-ing
I could have been deciding you could have been deciding she could have been deciding we could have been deciding you could have been deciding they could have been deciding
Negação
Forma simple
I could not decide you could not decide she could not decide we could not decide you could not decide they could not decide
Forma com V-ing
I could not be deciding you could not be deciding she could not be deciding we could not be deciding you could not be deciding they could not be deciding
Perfeito
I could not have decided you could not have decided she could not have decided we could not have decided you could not have decided they could not have decided
Perfeito com V-ing
I could not have been deciding you could not have been deciding she could not have been deciding we could not have been deciding you could not have been deciding they could not have been deciding
Forma interrogativa
Forma simple
could I decide? could you decide? could she decide? could we decide? could you decide? could they decide?
Forma com V-ing
could I be deciding? could you be deciding? could she be deciding? could we be deciding? could you be deciding? could they be deciding?
Perfeito
could I have decided? could you have decided? could she have decided? could we have decided? could you have decided? could they have decided?
Perfeito com V-ing
could I have been deciding? could you have been deciding? could she have been deciding? could we have been deciding? could you have been deciding? could they have been deciding?
Forma interro-Negação
Forma simple
could I not decide? could you not decide? could she not decide? could we not decide? could you not decide? could they not decide?
Forma com V-ing
could I not be deciding? could you not be deciding? could she not be deciding? could we not be deciding? could you not be deciding? could they not be deciding?
Perfeito
could I not have decided? could you not have decided? could she not have decided? could we not have decided? could you not have decided? could they not have decided?
Perfeito com V-ing
could I not have been deciding? could you not have been deciding? could she not have been deciding? could we not have been deciding? could you not have been deciding? could they not have been deciding?