I could attack you could attack he could attack we could attack you could attack they could attack
Forma com V-ing
I could be attacking you could be attacking he could be attacking we could be attacking you could be attacking they could be attacking
Perfeito
I could have attacked you could have attacked he could have attacked we could have attacked you could have attacked they could have attacked
Perfeito com V-ing
I could have been attacking you could have been attacking he could have been attacking we could have been attacking you could have been attacking they could have been attacking
Negação
Forma simple
I could not attack you could not attack he could not attack we could not attack you could not attack they could not attack
Forma com V-ing
I could not be attacking you could not be attacking he could not be attacking we could not be attacking you could not be attacking they could not be attacking
Perfeito
I could not have attacked you could not have attacked he could not have attacked we could not have attacked you could not have attacked they could not have attacked
Perfeito com V-ing
I could not have been attacking you could not have been attacking he could not have been attacking we could not have been attacking you could not have been attacking they could not have been attacking
Forma interrogativa
Forma simple
could I attack? could you attack? could he attack? could we attack? could you attack? could they attack?
Forma com V-ing
could I be attacking? could you be attacking? could he be attacking? could we be attacking? could you be attacking? could they be attacking?
Perfeito
could I have attacked? could you have attacked? could he have attacked? could we have attacked? could you have attacked? could they have attacked?
Perfeito com V-ing
could I have been attacking? could you have been attacking? could he have been attacking? could we have been attacking? could you have been attacking? could they have been attacking?
Forma interro-Negação
Forma simple
could I not attack? could you not attack? could he not attack? could we not attack? could you not attack? could they not attack?
Forma com V-ing
could I not be attacking? could you not be attacking? could he not be attacking? could we not be attacking? could you not be attacking? could they not be attacking?
Perfeito
could I not have attacked? could you not have attacked? could he not have attacked? could we not have attacked? could you not have attacked? could they not have attacked?
Perfeito com V-ing
could I not have been attacking? could you not have been attacking? could he not have been attacking? could we not have been attacking? could you not have been attacking? could they not have been attacking?