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