can sheer
Regular verb: sheer - sheered- sheered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sheer
you can sheer
he can sheer
we can sheer
you can sheer
they can sheer 	I can be sheering
you can be sheering
he can be sheering
we can be sheering
you can be sheering
they can be sheering	I can have sheered
you can have sheered
he 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
he 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 cannot sheer
you cannot sheer
he cannot sheer
we cannot sheer
you cannot sheer
they cannot sheer 	I cannot be sheering
you cannot be sheering
he cannot be sheering
we cannot be sheering
you cannot be sheering
they cannot be sheering	I cannot have sheered
you cannot have sheered
he cannot have sheered
we cannot have sheered
you cannot have sheered
they cannot have sheered	I cannot have been sheering
you cannot have been sheering
he cannot have been sheering
we cannot have been sheering
you cannot have been sheering
they cannot have been sheering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sheer?
can you sheer?
can he sheer?
can we sheer?
can you sheer?
can they sheer? 	can I be sheering?
can you be sheering?
can he be sheering?
can we be sheering?
can you be sheering?
can they be sheering? 	can I have sheered?
can you have sheered?
can he 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 he 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 I not sheer?
can you not sheer?
can he not sheer?
can we not sheer?
can you not sheer?
can they not sheer? 	can I not be sheering?
can you not be sheering?
can he not be sheering?
can we not be sheering?
can you not be sheering?
can they not be sheering? 	can I not have sheered?
can you not have sheered?
can he not have sheered?
can we not have sheered?
can you not have sheered?
can they not have sheered? 	can I not have been sheering?
can you not have been sheering?
can he not have been sheering?
can we not have been sheering?
can you not have been sheering?
can they not have been sheering?