English verb conjugation
COULD REBUFF

Regular verb: rebuff - rebuffed - rebuffed

Affirmation

Simple form	V-ing form
I could rebuff you could rebuff he could rebuff we could rebuff you could rebuff they could rebuff	I could be rebuffing you could be rebuffing he could be rebuffing we could be rebuffing you could be rebuffing they could be rebuffing
Perfect	V-ing perfect
I could have rebuffed you could have rebuffed he could have rebuffed we could have rebuffed you could have rebuffed they could have rebuffed	I could have been rebuffing you could have been rebuffing he could have been rebuffing we could have been rebuffing you could have been rebuffing they could have been rebuffing

Negation

Simple form	V-ing form
I could not rebuff you could not rebuff he could not rebuff we could not rebuff you could not rebuff they could not rebuff	I could not be rebuffing you could not be rebuffing he could not be rebuffing we could not be rebuffing you could not be rebuffing they could not be rebuffing
Perfect	V-ing perfect
I could not have rebuffed you could not have rebuffed he could not have rebuffed we could not have rebuffed you could not have rebuffed they could not have rebuffed	I could not have been rebuffing you could not have been rebuffing he could not have been rebuffing we could not have been rebuffing you could not have been rebuffing they could not have been rebuffing

Interrogative form

Simple form	V-ing form
could I rebuff? could you rebuff? could he rebuff? could we rebuff? could you rebuff? could they rebuff?	could I be rebuffing? could you be rebuffing? could he be rebuffing? could we be rebuffing? could you be rebuffing? could they be rebuffing?
Perfect	V-ing perfect
could I have rebuffed? could you have rebuffed? could he have rebuffed? could we have rebuffed? could you have rebuffed? could they have rebuffed?	could I have been rebuffing? could you have been rebuffing? could he have been rebuffing? could we have been rebuffing? could you have been rebuffing? could they have been rebuffing?

Interro-negative form

Simple form	V-ing form
could I not rebuff? could you not rebuff? could he not rebuff? could we not rebuff? could you not rebuff? could they not rebuff?	could I not be rebuffing? could you not be rebuffing? could he not be rebuffing? could we not be rebuffing? could you not be rebuffing? could they not be rebuffing?
Perfect	V-ing perfect
could I not have rebuffed? could you not have rebuffed? could he not have rebuffed? could we not have rebuffed? could you not have rebuffed? could they not have rebuffed?	could I not have been rebuffing? could you not have been rebuffing? could he not have been rebuffing? could we not have been rebuffing? could you not have been rebuffing? could they not have been rebuffing?