I could choke you could choke she could choke we could choke you could choke they could choke
Forma com V-ing
I could be choking you could be choking she could be choking we could be choking you could be choking they could be choking
Perfeito
I could have choked you could have choked she could have choked we could have choked you could have choked they could have choked
Perfeito com V-ing
I could have been choking you could have been choking she could have been choking we could have been choking you could have been choking they could have been choking
Negação
Forma simple
I could not choke you could not choke she could not choke we could not choke you could not choke they could not choke
Forma com V-ing
I could not be choking you could not be choking she could not be choking we could not be choking you could not be choking they could not be choking
Perfeito
I could not have choked you could not have choked she could not have choked we could not have choked you could not have choked they could not have choked
Perfeito com V-ing
I could not have been choking you could not have been choking she could not have been choking we could not have been choking you could not have been choking they could not have been choking
Forma interrogativa
Forma simple
could I choke? could you choke? could she choke? could we choke? could you choke? could they choke?
Forma com V-ing
could I be choking? could you be choking? could she be choking? could we be choking? could you be choking? could they be choking?
Perfeito
could I have choked? could you have choked? could she have choked? could we have choked? could you have choked? could they have choked?
Perfeito com V-ing
could I have been choking? could you have been choking? could she have been choking? could we have been choking? could you have been choking? could they have been choking?
Forma interro-Negação
Forma simple
could I not choke? could you not choke? could she not choke? could we not choke? could you not choke? could they not choke?
Forma com V-ing
could I not be choking? could you not be choking? could she not be choking? could we not be choking? could you not be choking? could they not be choking?
Perfeito
could I not have choked? could you not have choked? could she not have choked? could we not have choked? could you not have choked? could they not have choked?
Perfeito com V-ing
could I not have been choking? could you not have been choking? could she not have been choking? could we not have been choking? could you not have been choking? could they not have been choking?