I could kill you could kill he could kill we could kill you could kill they could kill
Forma con V-ing
I could be killing you could be killing he could be killing we could be killing you could be killing they could be killing
Perfecto
I could have killed you could have killed he could have killed we could have killed you could have killed they could have killed
Perfecto con V-ing
I could have been killing you could have been killing he could have been killing we could have been killing you could have been killing they could have been killing
Negación
Forma simple
I could not kill you could not kill he could not kill we could not kill you could not kill they could not kill
Forma con V-ing
I could not be killing you could not be killing he could not be killing we could not be killing you could not be killing they could not be killing
Perfecto
I could not have killed you could not have killed he could not have killed we could not have killed you could not have killed they could not have killed
Perfecto con V-ing
I could not have been killing you could not have been killing he could not have been killing we could not have been killing you could not have been killing they could not have been killing
Forma interrogativa
Forma simple
could I kill? could you kill? could he kill? could we kill? could you kill? could they kill?
Forma con V-ing
could I be killing? could you be killing? could he be killing? could we be killing? could you be killing? could they be killing?
Perfecto
could I have killed? could you have killed? could he have killed? could we have killed? could you have killed? could they have killed?
Perfecto con V-ing
could I have been killing? could you have been killing? could he have been killing? could we have been killing? could you have been killing? could they have been killing?
Forma interro-negativa
Forma simple
could I not kill? could you not kill? could he not kill? could we not kill? could you not kill? could they not kill?
Forma con V-ing
could I not be killing? could you not be killing? could he not be killing? could we not be killing? could you not be killing? could they not be killing?
Perfecto
could I not have killed? could you not have killed? could he not have killed? could we not have killed? could you not have killed? could they not have killed?
Perfecto con V-ing
could I not have been killing? could you not have been killing? could he not have been killing? could we not have been killing? could you not have been killing? could they not have been killing?