I could sort you could sort she could sort we could sort you could sort they could sort
Forma com V-ing
I could be sorting you could be sorting she could be sorting we could be sorting you could be sorting they could be sorting
Perfeito
I could have sorted you could have sorted she could have sorted we could have sorted you could have sorted they could have sorted
Perfeito com V-ing
I could have been sorting you could have been sorting she could have been sorting we could have been sorting you could have been sorting they could have been sorting
Negação
Forma simple
I could not sort you could not sort she could not sort we could not sort you could not sort they could not sort
Forma com V-ing
I could not be sorting you could not be sorting she could not be sorting we could not be sorting you could not be sorting they could not be sorting
Perfeito
I could not have sorted you could not have sorted she could not have sorted we could not have sorted you could not have sorted they could not have sorted
Perfeito com V-ing
I could not have been sorting you could not have been sorting she could not have been sorting we could not have been sorting you could not have been sorting they could not have been sorting
Forma interrogativa
Forma simple
could I sort? could you sort? could she sort? could we sort? could you sort? could they sort?
Forma com V-ing
could I be sorting? could you be sorting? could she be sorting? could we be sorting? could you be sorting? could they be sorting?
Perfeito
could I have sorted? could you have sorted? could she have sorted? could we have sorted? could you have sorted? could they have sorted?
Perfeito com V-ing
could I have been sorting? could you have been sorting? could she have been sorting? could we have been sorting? could you have been sorting? could they have been sorting?
Forma interro-Negação
Forma simple
could I not sort? could you not sort? could she not sort? could we not sort? could you not sort? could they not sort?
Forma com V-ing
could I not be sorting? could you not be sorting? could she not be sorting? could we not be sorting? could you not be sorting? could they not be sorting?
Perfeito
could I not have sorted? could you not have sorted? could she not have sorted? could we not have sorted? could you not have sorted? could they not have sorted?
Perfeito com V-ing
could I not have been sorting? could you not have been sorting? could she not have been sorting? could we not have been sorting? could you not have been sorting? could they not have been sorting?