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