I could separate you could separate he could separate we could separate you could separate they could separate
Forma com V-ing
I could be separating you could be separating he could be separating we could be separating you could be separating they could be separating
Perfeito
I could have separated you could have separated he could have separated we could have separated you could have separated they could have separated
Perfeito com V-ing
I could have been separating you could have been separating he could have been separating we could have been separating you could have been separating they could have been separating
Negação
Forma simple
I could not separate you could not separate he could not separate we could not separate you could not separate they could not separate
Forma com V-ing
I could not be separating you could not be separating he could not be separating we could not be separating you could not be separating they could not be separating
Perfeito
I could not have separated you could not have separated he could not have separated we could not have separated you could not have separated they could not have separated
Perfeito com V-ing
I could not have been separating you could not have been separating he could not have been separating we could not have been separating you could not have been separating they could not have been separating
Forma interrogativa
Forma simple
could I separate? could you separate? could he separate? could we separate? could you separate? could they separate?
Forma com V-ing
could I be separating? could you be separating? could he be separating? could we be separating? could you be separating? could they be separating?
Perfeito
could I have separated? could you have separated? could he have separated? could we have separated? could you have separated? could they have separated?
Perfeito com V-ing
could I have been separating? could you have been separating? could he have been separating? could we have been separating? could you have been separating? could they have been separating?
Forma interro-Negação
Forma simple
could I not separate? could you not separate? could he not separate? could we not separate? could you not separate? could they not separate?
Forma com V-ing
could I not be separating? could you not be separating? could he not be separating? could we not be separating? could you not be separating? could they not be separating?
Perfeito
could I not have separated? could you not have separated? could he not have separated? could we not have separated? could you not have separated? could they not have separated?
Perfeito com V-ing
could I not have been separating? could you not have been separating? could he not have been separating? could we not have been separating? could you not have been separating? could they not have been separating?