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 couldn't geometrize you couldn't geometrize he couldn't geometrize we couldn't geometrize you couldn't geometrize they couldn't geometrize
V-ing form
I couldn't be geometrizing you couldn't be geometrizing he couldn't be geometrizing we couldn't be geometrizing you couldn't be geometrizing they couldn't be geometrizing
Perfect
I couldn't have geometrized you couldn't have geometrized he couldn't have geometrized we couldn't have geometrized you couldn't have geometrized they couldn't have geometrized
V-ing perfect
I couldn't have been geometrizing you couldn't have been geometrizing he couldn't have been geometrizing we couldn't have been geometrizing you couldn't have been geometrizing they couldn't 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
couldn't I geometrize? couldn't you geometrize? couldn't he geometrize? couldn't we geometrize? couldn't you geometrize? couldn't they geometrize?
V-ing form
couldn't I be geometrizing? couldn't you be geometrizing? couldn't he be geometrizing? couldn't we be geometrizing? couldn't you be geometrizing? couldn't they be geometrizing?
Perfect
couldn't I have geometrized? couldn't you have geometrized? couldn't he have geometrized? couldn't we have geometrized? couldn't you have geometrized? couldn't they have geometrized?
V-ing perfect
couldn't I have been geometrizing? couldn't you have been geometrizing? couldn't he have been geometrizing? couldn't we have been geometrizing? couldn't you have been geometrizing? couldn't they have been geometrizing?