English verb conjugation
COULD APOLOGIZE

Regular verb: apologize - apologized - apologized

Affirmation

Simple form	V-ing form
I could apologize you could apologize she could apologize we could apologize you could apologize they could apologize	I could be apologizing you could be apologizing she could be apologizing we could be apologizing you could be apologizing they could be apologizing
Perfect	V-ing perfect
I could have apologized you could have apologized she could have apologized we could have apologized you could have apologized they could have apologized	I could have been apologizing you could have been apologizing she could have been apologizing we could have been apologizing you could have been apologizing they could have been apologizing

Negation

Simple form	V-ing form
I could not apologize you could not apologize she could not apologize we could not apologize you could not apologize they could not apologize	I could not be apologizing you could not be apologizing she could not be apologizing we could not be apologizing you could not be apologizing they could not be apologizing
Perfect	V-ing perfect
I could not have apologized you could not have apologized she could not have apologized we could not have apologized you could not have apologized they could not have apologized	I could not have been apologizing you could not have been apologizing she could not have been apologizing we could not have been apologizing you could not have been apologizing they could not have been apologizing

Interrogative form

Simple form	V-ing form
could I apologize? could you apologize? could she apologize? could we apologize? could you apologize? could they apologize?	could I be apologizing? could you be apologizing? could she be apologizing? could we be apologizing? could you be apologizing? could they be apologizing?
Perfect	V-ing perfect
could I have apologized? could you have apologized? could she have apologized? could we have apologized? could you have apologized? could they have apologized?	could I have been apologizing? could you have been apologizing? could she have been apologizing? could we have been apologizing? could you have been apologizing? could they have been apologizing?

Interro-negative form

Simple form	V-ing form
could I not apologize? could you not apologize? could she not apologize? could we not apologize? could you not apologize? could they not apologize?	could I not be apologizing? could you not be apologizing? could she not be apologizing? could we not be apologizing? could you not be apologizing? could they not be apologizing?
Perfect	V-ing perfect
could I not have apologized? could you not have apologized? could she not have apologized? could we not have apologized? could you not have apologized? could they not have apologized?	could I not have been apologizing? could you not have been apologizing? could she not have been apologizing? could we not have been apologizing? could you not have been apologizing? could they not have been apologizing?