I could restrain you could restrain he could restrain we could restrain you could restrain they could restrain
Forma con V-ing
I could be restraining you could be restraining he could be restraining we could be restraining you could be restraining they could be restraining
Perfecto
I could have restrained you could have restrained he could have restrained we could have restrained you could have restrained they could have restrained
Perfecto con V-ing
I could have been restraining you could have been restraining he could have been restraining we could have been restraining you could have been restraining they could have been restraining
Negación
Forma simple
I could not restrain you could not restrain he could not restrain we could not restrain you could not restrain they could not restrain
Forma con V-ing
I could not be restraining you could not be restraining he could not be restraining we could not be restraining you could not be restraining they could not be restraining
Perfecto
I could not have restrained you could not have restrained he could not have restrained we could not have restrained you could not have restrained they could not have restrained
Perfecto con V-ing
I could not have been restraining you could not have been restraining he could not have been restraining we could not have been restraining you could not have been restraining they could not have been restraining
Forma interrogativa
Forma simple
could I restrain? could you restrain? could he restrain? could we restrain? could you restrain? could they restrain?
Forma con V-ing
could I be restraining? could you be restraining? could he be restraining? could we be restraining? could you be restraining? could they be restraining?
Perfecto
could I have restrained? could you have restrained? could he have restrained? could we have restrained? could you have restrained? could they have restrained?
Perfecto con V-ing
could I have been restraining? could you have been restraining? could he have been restraining? could we have been restraining? could you have been restraining? could they have been restraining?
Forma interro-negativa
Forma simple
could I not restrain? could you not restrain? could he not restrain? could we not restrain? could you not restrain? could they not restrain?
Forma con V-ing
could I not be restraining? could you not be restraining? could he not be restraining? could we not be restraining? could you not be restraining? could they not be restraining?
Perfecto
could I not have restrained? could you not have restrained? could he not have restrained? could we not have restrained? could you not have restrained? could they not have restrained?
Perfecto con V-ing
could I not have been restraining? could you not have been restraining? could he not have been restraining? could we not have been restraining? could you not have been restraining? could they not have been restraining?