I could humanize you could humanize she could humanize we could humanize you could humanize they could humanize
V-ing form
I could be humanizing you could be humanizing she could be humanizing we could be humanizing you could be humanizing they could be humanizing
Perfect
I could have humanized you could have humanized she could have humanized we could have humanized you could have humanized they could have humanized
V-ing perfect
I could have been humanizing you could have been humanizing she could have been humanizing we could have been humanizing you could have been humanizing they could have been humanizing
Negation
Simple form
I could not humanize you could not humanize she could not humanize we could not humanize you could not humanize they could not humanize
V-ing form
I could not be humanizing you could not be humanizing she could not be humanizing we could not be humanizing you could not be humanizing they could not be humanizing
Perfect
I could not have humanized you could not have humanized she could not have humanized we could not have humanized you could not have humanized they could not have humanized
V-ing perfect
I could not have been humanizing you could not have been humanizing she could not have been humanizing we could not have been humanizing you could not have been humanizing they could not have been humanizing
Interrogative form
Simple form
could I humanize? could you humanize? could she humanize? could we humanize? could you humanize? could they humanize?
V-ing form
could I be humanizing? could you be humanizing? could she be humanizing? could we be humanizing? could you be humanizing? could they be humanizing?
Perfect
could I have humanized? could you have humanized? could she have humanized? could we have humanized? could you have humanized? could they have humanized?
V-ing perfect
could I have been humanizing? could you have been humanizing? could she have been humanizing? could we have been humanizing? could you have been humanizing? could they have been humanizing?
Interro-negative form
Simple form
could I not humanize? could you not humanize? could she not humanize? could we not humanize? could you not humanize? could they not humanize?
V-ing form
could I not be humanizing? could you not be humanizing? could she not be humanizing? could we not be humanizing? could you not be humanizing? could they not be humanizing?
Perfect
could I not have humanized? could you not have humanized? could she not have humanized? could we not have humanized? could you not have humanized? could they not have humanized?
V-ing perfect
could I not have been humanizing? could you not have been humanizing? could she not have been humanizing? could we not have been humanizing? could you not have been humanizing? could they not have been humanizing?