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