I could allege you could allege he could allege we could allege you could allege they could allege
Forma con V-ing
I could be alleging you could be alleging he could be alleging we could be alleging you could be alleging they could be alleging
Perfecto
I could have alleged you could have alleged he could have alleged we could have alleged you could have alleged they could have alleged
Perfecto con V-ing
I could have been alleging you could have been alleging he could have been alleging we could have been alleging you could have been alleging they could have been alleging
Negación
Forma simple
I could not allege you could not allege he could not allege we could not allege you could not allege they could not allege
Forma con V-ing
I could not be alleging you could not be alleging he could not be alleging we could not be alleging you could not be alleging they could not be alleging
Perfecto
I could not have alleged you could not have alleged he could not have alleged we could not have alleged you could not have alleged they could not have alleged
Perfecto con V-ing
I could not have been alleging you could not have been alleging he could not have been alleging we could not have been alleging you could not have been alleging they could not have been alleging
Forma interrogativa
Forma simple
could I allege? could you allege? could he allege? could we allege? could you allege? could they allege?
Forma con V-ing
could I be alleging? could you be alleging? could he be alleging? could we be alleging? could you be alleging? could they be alleging?
Perfecto
could I have alleged? could you have alleged? could he have alleged? could we have alleged? could you have alleged? could they have alleged?
Perfecto con V-ing
could I have been alleging? could you have been alleging? could he have been alleging? could we have been alleging? could you have been alleging? could they have been alleging?
Forma interro-negativa
Forma simple
could I not allege? could you not allege? could he not allege? could we not allege? could you not allege? could they not allege?
Forma con V-ing
could I not be alleging? could you not be alleging? could he not be alleging? could we not be alleging? could you not be alleging? could they not be alleging?
Perfecto
could I not have alleged? could you not have alleged? could he not have alleged? could we not have alleged? could you not have alleged? could they not have alleged?
Perfecto con V-ing
could I not have been alleging? could you not have been alleging? could he not have been alleging? could we not have been alleging? could you not have been alleging? could they not have been alleging?