I could homogenize you could homogenize he could homogenize we could homogenize you could homogenize they could homogenize
V-ing form
I could be homogenizing you could be homogenizing he could be homogenizing we could be homogenizing you could be homogenizing they could be homogenizing
Perfect
I could have homogenized you could have homogenized he 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 he 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 he 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 he 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 he 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 he 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 he homogenize? could we homogenize? could you homogenize? could they homogenize?
V-ing form
could I be homogenizing? could you be homogenizing? could he be homogenizing? could we be homogenizing? could you be homogenizing? could they be homogenizing?
Perfect
could I have homogenized? could you have homogenized? could he 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 he 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 he 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 he 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 he 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 he have been homogenizing? couldn't we have been homogenizing? couldn't you have been homogenizing? couldn't they have been homogenizing?