English verb conjugation
CAN LEER

Regular verb: leer - leered - leered

Affirmation

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

Negation

Simple form	V-ing form
I can't leer you can't leer he can't leer we can't leer you can't leer they can't leer	I can't be leering you can't be leering he can't be leering we can't be leering you can't be leering they can't be leering
Perfect	V-ing perfect
I can't have leered you can't have leered he can't have leered we can't have leered you can't have leered they can't have leered	I can't have been leering you can't have been leering he can't have been leering we can't have been leering you can't have been leering they can't have been leering

Interrogative form

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

Interro-negative form

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