English verb conjugation
COULD LEER

Regular verb: leer - leered - leered

Affirmation

Simple form	V-ing form
I could leer you could leer he could leer we could leer you could leer they could leer	I could be leering you could be leering he could be leering we could be leering you could be leering they could be leering
Perfect	V-ing perfect
I could have leered you could have leered he could have leered we could have leered you could have leered they could have leered	I could have been leering you could have been leering he could have been leering we could have been leering you could have been leering they could have been leering

Negation

Simple form	V-ing form
I could not leer you could not leer he could not leer we could not leer you could not leer they could not leer	I could not be leering you could not be leering he could not be leering we could not be leering you could not be leering they could not be leering
Perfect	V-ing perfect
I could not have leered you could not have leered he could not have leered we could not have leered you could not have leered they could not have leered	I could not have been leering you could not have been leering he could not have been leering we could not have been leering you could not have been leering they could not have been leering

Interrogative form

Simple form	V-ing form
could I leer? could you leer? could he leer? could we leer? could you leer? could they leer?	could I be leering? could you be leering? could he be leering? could we be leering? could you be leering? could they be leering?
Perfect	V-ing perfect
could I have leered? could you have leered? could he have leered? could we have leered? could you have leered? could they have leered?	could I have been leering? could you have been leering? could he have been leering? could we have been leering? could you have been leering? could they have been leering?

Interro-negative form

Simple form	V-ing form
could I not leer? could you not leer? could he not leer? could we not leer? could you not leer? could they not leer?	could I not be leering? could you not be leering? could he not be leering? could we not be leering? could you not be leering? could they not be leering?
Perfect	V-ing perfect
could I not have leered? could you not have leered? could he not have leered? could we not have leered? could you not have leered? could they not have leered?	could I not have been leering? could you not have been leering? could he not have been leering? could we not have been leering? could you not have been leering? could they not have been leering?