can leer
Regular verb: leer - leered- leered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?