I could promo you could promo he could promo we could promo you could promo they could promo
Forma con V-ing
I could be promoing you could be promoing he could be promoing we could be promoing you could be promoing they could be promoing
Perfecto
I could have promoed you could have promoed he could have promoed we could have promoed you could have promoed they could have promoed
Perfecto con V-ing
I could have been promoing you could have been promoing he could have been promoing we could have been promoing you could have been promoing they could have been promoing
Negación
Forma simple
I could not promo you could not promo he could not promo we could not promo you could not promo they could not promo
Forma con V-ing
I could not be promoing you could not be promoing he could not be promoing we could not be promoing you could not be promoing they could not be promoing
Perfecto
I could not have promoed you could not have promoed he could not have promoed we could not have promoed you could not have promoed they could not have promoed
Perfecto con V-ing
I could not have been promoing you could not have been promoing he could not have been promoing we could not have been promoing you could not have been promoing they could not have been promoing
Forma interrogativa
Forma simple
could I promo? could you promo? could he promo? could we promo? could you promo? could they promo?
Forma con V-ing
could I be promoing? could you be promoing? could he be promoing? could we be promoing? could you be promoing? could they be promoing?
Perfecto
could I have promoed? could you have promoed? could he have promoed? could we have promoed? could you have promoed? could they have promoed?
Perfecto con V-ing
could I have been promoing? could you have been promoing? could he have been promoing? could we have been promoing? could you have been promoing? could they have been promoing?
Forma interro-negativa
Forma simple
could I not promo? could you not promo? could he not promo? could we not promo? could you not promo? could they not promo?
Forma con V-ing
could I not be promoing? could you not be promoing? could he not be promoing? could we not be promoing? could you not be promoing? could they not be promoing?
Perfecto
could I not have promoed? could you not have promoed? could he not have promoed? could we not have promoed? could you not have promoed? could they not have promoed?
Perfecto con V-ing
could I not have been promoing? could you not have been promoing? could he not have been promoing? could we not have been promoing? could you not have been promoing? could they not have been promoing?