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 couldn't leer you couldn't leer he couldn't leer we couldn't leer you couldn't leer they couldn't leer	I couldn't be leering you couldn't be leering he couldn't be leering we couldn't be leering you couldn't be leering they couldn't be leering
Perfect	V-ing perfect
I couldn't have leered you couldn't have leered he couldn't have leered we couldn't have leered you couldn't have leered they couldn't have leered	I couldn't have been leering you couldn't have been leering he couldn't have been leering we couldn't have been leering you couldn't have been leering they couldn't 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
couldn't I leer? couldn't you leer? couldn't he leer? couldn't we leer? couldn't you leer? couldn't they leer?	couldn't I be leering? couldn't you be leering? couldn't he be leering? couldn't we be leering? couldn't you be leering? couldn't they be leering?
Perfect	V-ing perfect
couldn't I have leered? couldn't you have leered? couldn't he have leered? couldn't we have leered? couldn't you have leered? couldn't they have leered?	couldn't I have been leering? couldn't you have been leering? couldn't he have been leering? couldn't we have been leering? couldn't you have been leering? couldn't they have been leering?