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