I could americanize you could americanize he could americanize we could americanize you could americanize they could americanize
V-ing form
I could be americanizing you could be americanizing he could be americanizing we could be americanizing you could be americanizing they could be americanizing
Perfect
I could have americanized you could have americanized he could have americanized we could have americanized you could have americanized they could have americanized
V-ing perfect
I could have been americanizing you could have been americanizing he could have been americanizing we could have been americanizing you could have been americanizing they could have been americanizing
Negation
Simple form
I couldn't americanize you couldn't americanize he couldn't americanize we couldn't americanize you couldn't americanize they couldn't americanize
V-ing form
I couldn't be americanizing you couldn't be americanizing he couldn't be americanizing we couldn't be americanizing you couldn't be americanizing they couldn't be americanizing
Perfect
I couldn't have americanized you couldn't have americanized he couldn't have americanized we couldn't have americanized you couldn't have americanized they couldn't have americanized
V-ing perfect
I couldn't have been americanizing you couldn't have been americanizing he couldn't have been americanizing we couldn't have been americanizing you couldn't have been americanizing they couldn't have been americanizing
Interrogative form
Simple form
could I americanize? could you americanize? could he americanize? could we americanize? could you americanize? could they americanize?
V-ing form
could I be americanizing? could you be americanizing? could he be americanizing? could we be americanizing? could you be americanizing? could they be americanizing?
Perfect
could I have americanized? could you have americanized? could he have americanized? could we have americanized? could you have americanized? could they have americanized?
V-ing perfect
could I have been americanizing? could you have been americanizing? could he have been americanizing? could we have been americanizing? could you have been americanizing? could they have been americanizing?
Interro-negative form
Simple form
couldn't I americanize? couldn't you americanize? couldn't he americanize? couldn't we americanize? couldn't you americanize? couldn't they americanize?
V-ing form
couldn't I be americanizing? couldn't you be americanizing? couldn't he be americanizing? couldn't we be americanizing? couldn't you be americanizing? couldn't they be americanizing?
Perfect
couldn't I have americanized? couldn't you have americanized? couldn't he have americanized? couldn't we have americanized? couldn't you have americanized? couldn't they have americanized?
V-ing perfect
couldn't I have been americanizing? couldn't you have been americanizing? couldn't he have been americanizing? couldn't we have been americanizing? couldn't you have been americanizing? couldn't they have been americanizing?