I could realize you could realize he could realize we could realize you could realize they could realize
Forma con V-ing
I could be realizing you could be realizing he could be realizing we could be realizing you could be realizing they could be realizing
Perfecto
I could have realized you could have realized he could have realized we could have realized you could have realized they could have realized
Perfecto con V-ing
I could have been realizing you could have been realizing he could have been realizing we could have been realizing you could have been realizing they could have been realizing
Negación
Forma simple
I could not realize you could not realize he could not realize we could not realize you could not realize they could not realize
Forma con V-ing
I could not be realizing you could not be realizing he could not be realizing we could not be realizing you could not be realizing they could not be realizing
Perfecto
I could not have realized you could not have realized he could not have realized we could not have realized you could not have realized they could not have realized
Perfecto con V-ing
I could not have been realizing you could not have been realizing he could not have been realizing we could not have been realizing you could not have been realizing they could not have been realizing
Forma interrogativa
Forma simple
could I realize? could you realize? could he realize? could we realize? could you realize? could they realize?
Forma con V-ing
could I be realizing? could you be realizing? could he be realizing? could we be realizing? could you be realizing? could they be realizing?
Perfecto
could I have realized? could you have realized? could he have realized? could we have realized? could you have realized? could they have realized?
Perfecto con V-ing
could I have been realizing? could you have been realizing? could he have been realizing? could we have been realizing? could you have been realizing? could they have been realizing?
Forma interro-negativa
Forma simple
could I not realize? could you not realize? could he not realize? could we not realize? could you not realize? could they not realize?
Forma con V-ing
could I not be realizing? could you not be realizing? could he not be realizing? could we not be realizing? could you not be realizing? could they not be realizing?
Perfecto
could I not have realized? could you not have realized? could he not have realized? could we not have realized? could you not have realized? could they not have realized?
Perfecto con V-ing
could I not have been realizing? could you not have been realizing? could he not have been realizing? could we not have been realizing? could you not have been realizing? could they not have been realizing?