I could forget you could forget he could forget we could forget you could forget they could forget
Forma con V-ing
I could be forgetting you could be forgetting he could be forgetting we could be forgetting you could be forgetting they could be forgetting
Perfecto
I could have forgotten you could have forgotten he could have forgotten we could have forgotten you could have forgotten they could have forgotten
Perfecto con V-ing
I could have been forgetting you could have been forgetting he could have been forgetting we could have been forgetting you could have been forgetting they could have been forgetting
Negación
Forma simple
I could not forget you could not forget he could not forget we could not forget you could not forget they could not forget
Forma con V-ing
I could not be forgetting you could not be forgetting he could not be forgetting we could not be forgetting you could not be forgetting they could not be forgetting
Perfecto
I could not have forgotten you could not have forgotten he could not have forgotten we could not have forgotten you could not have forgotten they could not have forgotten
Perfecto con V-ing
I could not have been forgetting you could not have been forgetting he could not have been forgetting we could not have been forgetting you could not have been forgetting they could not have been forgetting
Forma interrogativa
Forma simple
could I forget? could you forget? could he forget? could we forget? could you forget? could they forget?
Forma con V-ing
could I be forgetting? could you be forgetting? could he be forgetting? could we be forgetting? could you be forgetting? could they be forgetting?
Perfecto
could I have forgotten? could you have forgotten? could he have forgotten? could we have forgotten? could you have forgotten? could they have forgotten?
Perfecto con V-ing
could I have been forgetting? could you have been forgetting? could he have been forgetting? could we have been forgetting? could you have been forgetting? could they have been forgetting?
Forma interro-negativa
Forma simple
could I not forget? could you not forget? could he not forget? could we not forget? could you not forget? could they not forget?
Forma con V-ing
could I not be forgetting? could you not be forgetting? could he not be forgetting? could we not be forgetting? could you not be forgetting? could they not be forgetting?
Perfecto
could I not have forgotten? could you not have forgotten? could he not have forgotten? could we not have forgotten? could you not have forgotten? could they not have forgotten?
Perfecto con V-ing
could I not have been forgetting? could you not have been forgetting? could he not have been forgetting? could we not have been forgetting? could you not have been forgetting? could they not have been forgetting?