I could homogenize you could homogenize she could homogenize we could homogenize you could homogenize they could homogenize
V-ing form
I could be homogenizing you could be homogenizing she could be homogenizing we could be homogenizing you could be homogenizing they could be homogenizing
Perfect
I could have homogenized you could have homogenized she could have homogenized we could have homogenized you could have homogenized they could have homogenized
V-ing perfect
I could have been homogenizing you could have been homogenizing she could have been homogenizing we could have been homogenizing you could have been homogenizing they could have been homogenizing
Negation
Simple form
I couldn't homogenize you couldn't homogenize she couldn't homogenize we couldn't homogenize you couldn't homogenize they couldn't homogenize
V-ing form
I couldn't be homogenizing you couldn't be homogenizing she couldn't be homogenizing we couldn't be homogenizing you couldn't be homogenizing they couldn't be homogenizing
Perfect
I couldn't have homogenized you couldn't have homogenized she couldn't have homogenized we couldn't have homogenized you couldn't have homogenized they couldn't have homogenized
V-ing perfect
I couldn't have been homogenizing you couldn't have been homogenizing she couldn't have been homogenizing we couldn't have been homogenizing you couldn't have been homogenizing they couldn't have been homogenizing
Interrogative form
Simple form
could I homogenize? could you homogenize? could she homogenize? could we homogenize? could you homogenize? could they homogenize?
V-ing form
could I be homogenizing? could you be homogenizing? could she be homogenizing? could we be homogenizing? could you be homogenizing? could they be homogenizing?
Perfect
could I have homogenized? could you have homogenized? could she have homogenized? could we have homogenized? could you have homogenized? could they have homogenized?
V-ing perfect
could I have been homogenizing? could you have been homogenizing? could she have been homogenizing? could we have been homogenizing? could you have been homogenizing? could they have been homogenizing?
Interro-negative form
Simple form
couldn't I homogenize? couldn't you homogenize? couldn't she homogenize? couldn't we homogenize? couldn't you homogenize? couldn't they homogenize?
V-ing form
couldn't I be homogenizing? couldn't you be homogenizing? couldn't she be homogenizing? couldn't we be homogenizing? couldn't you be homogenizing? couldn't they be homogenizing?
Perfect
couldn't I have homogenized? couldn't you have homogenized? couldn't she have homogenized? couldn't we have homogenized? couldn't you have homogenized? couldn't they have homogenized?
V-ing perfect
couldn't I have been homogenizing? couldn't you have been homogenizing? couldn't she have been homogenizing? couldn't we have been homogenizing? couldn't you have been homogenizing? couldn't they have been homogenizing?