I could hospitalize you could hospitalize he could hospitalize we could hospitalize you could hospitalize they could hospitalize
V-ing form
I could be hospitalizing you could be hospitalizing he could be hospitalizing we could be hospitalizing you could be hospitalizing they could be hospitalizing
Perfect
I could have hospitalized you could have hospitalized he could have hospitalized we could have hospitalized you could have hospitalized they could have hospitalized
V-ing perfect
I could have been hospitalizing you could have been hospitalizing he could have been hospitalizing we could have been hospitalizing you could have been hospitalizing they could have been hospitalizing
Negation
Simple form
I could not hospitalize you could not hospitalize he could not hospitalize we could not hospitalize you could not hospitalize they could not hospitalize
V-ing form
I could not be hospitalizing you could not be hospitalizing he could not be hospitalizing we could not be hospitalizing you could not be hospitalizing they could not be hospitalizing
Perfect
I could not have hospitalized you could not have hospitalized he could not have hospitalized we could not have hospitalized you could not have hospitalized they could not have hospitalized
V-ing perfect
I could not have been hospitalizing you could not have been hospitalizing he could not have been hospitalizing we could not have been hospitalizing you could not have been hospitalizing they could not have been hospitalizing
Interrogative form
Simple form
could I hospitalize? could you hospitalize? could he hospitalize? could we hospitalize? could you hospitalize? could they hospitalize?
V-ing form
could I be hospitalizing? could you be hospitalizing? could he be hospitalizing? could we be hospitalizing? could you be hospitalizing? could they be hospitalizing?
Perfect
could I have hospitalized? could you have hospitalized? could he have hospitalized? could we have hospitalized? could you have hospitalized? could they have hospitalized?
V-ing perfect
could I have been hospitalizing? could you have been hospitalizing? could he have been hospitalizing? could we have been hospitalizing? could you have been hospitalizing? could they have been hospitalizing?
Interro-negative form
Simple form
could I not hospitalize? could you not hospitalize? could he not hospitalize? could we not hospitalize? could you not hospitalize? could they not hospitalize?
V-ing form
could I not be hospitalizing? could you not be hospitalizing? could he not be hospitalizing? could we not be hospitalizing? could you not be hospitalizing? could they not be hospitalizing?
Perfect
could I not have hospitalized? could you not have hospitalized? could he not have hospitalized? could we not have hospitalized? could you not have hospitalized? could they not have hospitalized?
V-ing perfect
could I not have been hospitalizing? could you not have been hospitalizing? could he not have been hospitalizing? could we not have been hospitalizing? could you not have been hospitalizing? could they not have been hospitalizing?