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