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