can sheer
Regular verb: sheer - sheered- sheered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sheer
you can sheer
she can sheer
we can sheer
you can sheer
they can sheer 	I can be sheering
you can be sheering
she can be sheering
we can be sheering
you can be sheering
they can be sheering	I can have sheered
you can have sheered
she can have sheered
we can have sheered
you can have sheered
they can have sheered	I can have been sheering
you can have been sheering
she can have been sheering
we can have been sheering
you can have been sheering
they can have been sheering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't sheer
you can't sheer
she can't sheer
we can't sheer
you can't sheer
they can't sheer 	I can't be sheering
you can't be sheering
she can't be sheering
we can't be sheering
you can't be sheering
they can't be sheering	I can't have sheered
you can't have sheered
she can't have sheered
we can't have sheered
you can't have sheered
they can't have sheered	I can't have been sheering
you can't have been sheering
she can't have been sheering
we can't have been sheering
you can't have been sheering
they can't have been sheering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sheer?
can you sheer?
can she sheer?
can we sheer?
can you sheer?
can they sheer? 	can I be sheering?
can you be sheering?
can she be sheering?
can we be sheering?
can you be sheering?
can they be sheering? 	can I have sheered?
can you have sheered?
can she have sheered?
can we have sheered?
can you have sheered?
can they have sheered? 	can I have been sheering?
can you have been sheering?
can she have been sheering?
can we have been sheering?
can you have been sheering?
can they have been sheering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I sheer?
can't you sheer?
can't she sheer?
can't we sheer?
can't you sheer?
can't they sheer? 	can't I be sheering?
can't you be sheering?
can't she be sheering?
can't we be sheering?
can't you be sheering?
can't they be sheering? 	can't I have sheered?
can't you have sheered?
can't she have sheered?
can't we have sheered?
can't you have sheered?
can't they have sheered? 	can't I have been sheering?
can't you have been sheering?
can't she have been sheering?
can't we have been sheering?
can't you have been sheering?
can't they have been sheering?