English verb conjugation
COULD COLONIZE

Regular verb: colonize - colonized - colonized

Affirmation

Simple form	V-ing form
I could colonize you could colonize he could colonize we could colonize you could colonize they could colonize	I could be colonizing you could be colonizing he could be colonizing we could be colonizing you could be colonizing they could be colonizing
Perfect	V-ing perfect
I could have colonized you could have colonized he could have colonized we could have colonized you could have colonized they could have colonized	I could have been colonizing you could have been colonizing he could have been colonizing we could have been colonizing you could have been colonizing they could have been colonizing

Negation

Simple form	V-ing form
I could not colonize you could not colonize he could not colonize we could not colonize you could not colonize they could not colonize	I could not be colonizing you could not be colonizing he could not be colonizing we could not be colonizing you could not be colonizing they could not be colonizing
Perfect	V-ing perfect
I could not have colonized you could not have colonized he could not have colonized we could not have colonized you could not have colonized they could not have colonized	I could not have been colonizing you could not have been colonizing he could not have been colonizing we could not have been colonizing you could not have been colonizing they could not have been colonizing

Interrogative form

Simple form	V-ing form
could I colonize? could you colonize? could he colonize? could we colonize? could you colonize? could they colonize?	could I be colonizing? could you be colonizing? could he be colonizing? could we be colonizing? could you be colonizing? could they be colonizing?
Perfect	V-ing perfect
could I have colonized? could you have colonized? could he have colonized? could we have colonized? could you have colonized? could they have colonized?	could I have been colonizing? could you have been colonizing? could he have been colonizing? could we have been colonizing? could you have been colonizing? could they have been colonizing?

Interro-negative form

Simple form	V-ing form
could I not colonize? could you not colonize? could he not colonize? could we not colonize? could you not colonize? could they not colonize?	could I not be colonizing? could you not be colonizing? could he not be colonizing? could we not be colonizing? could you not be colonizing? could they not be colonizing?
Perfect	V-ing perfect
could I not have colonized? could you not have colonized? could he not have colonized? could we not have colonized? could you not have colonized? could they not have colonized?	could I not have been colonizing? could you not have been colonizing? could he not have been colonizing? could we not have been colonizing? could you not have been colonizing? could they not have been colonizing?