I could geometrize you could geometrize he could geometrize we could geometrize you could geometrize they could geometrize
V-ing form
I could be geometrizing you could be geometrizing he could be geometrizing we could be geometrizing you could be geometrizing they could be geometrizing
Perfect
I could have geometrized you could have geometrized he could have geometrized we could have geometrized you could have geometrized they could have geometrized
V-ing perfect
I could have been geometrizing you could have been geometrizing he could have been geometrizing we could have been geometrizing you could have been geometrizing they could have been geometrizing
Negation
Simple form
I could not geometrize you could not geometrize he could not geometrize we could not geometrize you could not geometrize they could not geometrize
V-ing form
I could not be geometrizing you could not be geometrizing he could not be geometrizing we could not be geometrizing you could not be geometrizing they could not be geometrizing
Perfect
I could not have geometrized you could not have geometrized he could not have geometrized we could not have geometrized you could not have geometrized they could not have geometrized
V-ing perfect
I could not have been geometrizing you could not have been geometrizing he could not have been geometrizing we could not have been geometrizing you could not have been geometrizing they could not have been geometrizing
Interrogative form
Simple form
could I geometrize? could you geometrize? could he geometrize? could we geometrize? could you geometrize? could they geometrize?
V-ing form
could I be geometrizing? could you be geometrizing? could he be geometrizing? could we be geometrizing? could you be geometrizing? could they be geometrizing?
Perfect
could I have geometrized? could you have geometrized? could he have geometrized? could we have geometrized? could you have geometrized? could they have geometrized?
V-ing perfect
could I have been geometrizing? could you have been geometrizing? could he have been geometrizing? could we have been geometrizing? could you have been geometrizing? could they have been geometrizing?
Interro-negative form
Simple form
could I not geometrize? could you not geometrize? could he not geometrize? could we not geometrize? could you not geometrize? could they not geometrize?
V-ing form
could I not be geometrizing? could you not be geometrizing? could he not be geometrizing? could we not be geometrizing? could you not be geometrizing? could they not be geometrizing?
Perfect
could I not have geometrized? could you not have geometrized? could he not have geometrized? could we not have geometrized? could you not have geometrized? could they not have geometrized?
V-ing perfect
could I not have been geometrizing? could you not have been geometrizing? could he not have been geometrizing? could we not have been geometrizing? could you not have been geometrizing? could they not have been geometrizing?