I could righten you could righten she could righten we could righten you could righten they could righten
Forma con V-ing
I could be rightening you could be rightening she could be rightening we could be rightening you could be rightening they could be rightening
Perfecto
I could have rightened you could have rightened she could have rightened we could have rightened you could have rightened they could have rightened
Perfecto con V-ing
I could have been rightening you could have been rightening she could have been rightening we could have been rightening you could have been rightening they could have been rightening
Negación
Forma simple
I could not righten you could not righten she could not righten we could not righten you could not righten they could not righten
Forma con V-ing
I could not be rightening you could not be rightening she could not be rightening we could not be rightening you could not be rightening they could not be rightening
Perfecto
I could not have rightened you could not have rightened she could not have rightened we could not have rightened you could not have rightened they could not have rightened
Perfecto con V-ing
I could not have been rightening you could not have been rightening she could not have been rightening we could not have been rightening you could not have been rightening they could not have been rightening
Forma interrogativa
Forma simple
could I righten? could you righten? could she righten? could we righten? could you righten? could they righten?
Forma con V-ing
could I be rightening? could you be rightening? could she be rightening? could we be rightening? could you be rightening? could they be rightening?
Perfecto
could I have rightened? could you have rightened? could she have rightened? could we have rightened? could you have rightened? could they have rightened?
Perfecto con V-ing
could I have been rightening? could you have been rightening? could she have been rightening? could we have been rightening? could you have been rightening? could they have been rightening?
Forma interro-negativa
Forma simple
could I not righten? could you not righten? could she not righten? could we not righten? could you not righten? could they not righten?
Forma con V-ing
could I not be rightening? could you not be rightening? could she not be rightening? could we not be rightening? could you not be rightening? could they not be rightening?
Perfecto
could I not have rightened? could you not have rightened? could she not have rightened? could we not have rightened? could you not have rightened? could they not have rightened?
Perfecto con V-ing
could I not have been rightening? could you not have been rightening? could she not have been rightening? could we not have been rightening? could you not have been rightening? could they not have been rightening?