English verb conjugation
COULD FLEER

Regular verb: fleer - fleered - fleered

Affirmation

Simple form	V-ing form
I could fleer you could fleer he could fleer we could fleer you could fleer they could fleer	I could be fleering you could be fleering he could be fleering we could be fleering you could be fleering they could be fleering
Perfect	V-ing perfect
I could have fleered you could have fleered he could have fleered we could have fleered you could have fleered they could have fleered	I could have been fleering you could have been fleering he could have been fleering we could have been fleering you could have been fleering they could have been fleering

Negation

Simple form	V-ing form
I could not fleer you could not fleer he could not fleer we could not fleer you could not fleer they could not fleer	I could not be fleering you could not be fleering he could not be fleering we could not be fleering you could not be fleering they could not be fleering
Perfect	V-ing perfect
I could not have fleered you could not have fleered he could not have fleered we could not have fleered you could not have fleered they could not have fleered	I could not have been fleering you could not have been fleering he could not have been fleering we could not have been fleering you could not have been fleering they could not have been fleering

Interrogative form

Simple form	V-ing form
could I fleer? could you fleer? could he fleer? could we fleer? could you fleer? could they fleer?	could I be fleering? could you be fleering? could he be fleering? could we be fleering? could you be fleering? could they be fleering?
Perfect	V-ing perfect
could I have fleered? could you have fleered? could he have fleered? could we have fleered? could you have fleered? could they have fleered?	could I have been fleering? could you have been fleering? could he have been fleering? could we have been fleering? could you have been fleering? could they have been fleering?

Interro-negative form

Simple form	V-ing form
could I not fleer? could you not fleer? could he not fleer? could we not fleer? could you not fleer? could they not fleer?	could I not be fleering? could you not be fleering? could he not be fleering? could we not be fleering? could you not be fleering? could they not be fleering?
Perfect	V-ing perfect
could I not have fleered? could you not have fleered? could he not have fleered? could we not have fleered? could you not have fleered? could they not have fleered?	could I not have been fleering? could you not have been fleering? could he not have been fleering? could we not have been fleering? could you not have been fleering? could they not have been fleering?