English verb conjugation
COULD RUMOR

Regular verb: rumor - rumored - rumored

Affirmation

Simple form	V-ing form
I could rumor you could rumor he could rumor we could rumor you could rumor they could rumor	I could be rumoring you could be rumoring he could be rumoring we could be rumoring you could be rumoring they could be rumoring
Perfect	V-ing perfect
I could have rumored you could have rumored he could have rumored we could have rumored you could have rumored they could have rumored	I could have been rumoring you could have been rumoring he could have been rumoring we could have been rumoring you could have been rumoring they could have been rumoring

Negation

Simple form	V-ing form
I could not rumor you could not rumor he could not rumor we could not rumor you could not rumor they could not rumor	I could not be rumoring you could not be rumoring he could not be rumoring we could not be rumoring you could not be rumoring they could not be rumoring
Perfect	V-ing perfect
I could not have rumored you could not have rumored he could not have rumored we could not have rumored you could not have rumored they could not have rumored	I could not have been rumoring you could not have been rumoring he could not have been rumoring we could not have been rumoring you could not have been rumoring they could not have been rumoring

Interrogative form

Simple form	V-ing form
could I rumor? could you rumor? could he rumor? could we rumor? could you rumor? could they rumor?	could I be rumoring? could you be rumoring? could he be rumoring? could we be rumoring? could you be rumoring? could they be rumoring?
Perfect	V-ing perfect
could I have rumored? could you have rumored? could he have rumored? could we have rumored? could you have rumored? could they have rumored?	could I have been rumoring? could you have been rumoring? could he have been rumoring? could we have been rumoring? could you have been rumoring? could they have been rumoring?

Interro-negative form

Simple form	V-ing form
could I not rumor? could you not rumor? could he not rumor? could we not rumor? could you not rumor? could they not rumor?	could I not be rumoring? could you not be rumoring? could he not be rumoring? could we not be rumoring? could you not be rumoring? could they not be rumoring?
Perfect	V-ing perfect
could I not have rumored? could you not have rumored? could he not have rumored? could we not have rumored? could you not have rumored? could they not have rumored?	could I not have been rumoring? could you not have been rumoring? could he not have been rumoring? could we not have been rumoring? could you not have been rumoring? could they not have been rumoring?