may sheave
Regular verb: sheave - sheaved- sheaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sheave
you may sheave
he may sheave
we may sheave
you may sheave
they may sheave 	I may be sheaving
you may be sheaving
he may be sheaving
we may be sheaving
you may be sheaving
they may be sheaving	I may have sheaved
you may have sheaved
he may have sheaved
we may have sheaved
you may have sheaved
they may have sheaved	I may have been sheaving
you may have been sheaving
he may have been sheaving
we may have been sheaving
you may have been sheaving
they may have been sheaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not sheave
you may not sheave
he may not sheave
we may not sheave
you may not sheave
they may not sheave 	I may not be sheaving
you may not be sheaving
he may not be sheaving
we may not be sheaving
you may not be sheaving
they may not be sheaving	I may not have sheaved
you may not have sheaved
he may not have sheaved
we may not have sheaved
you may not have sheaved
they may not have sheaved	I may not have been sheaving
you may not have been sheaving
he may not have been sheaving
we may not have been sheaving
you may not have been sheaving
they may not have been sheaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sheave?
may you sheave?
may he sheave?
may we sheave?
may you sheave?
may they sheave? 	may I be sheaving?
may you be sheaving?
may he be sheaving?
may we be sheaving?
may you be sheaving?
may they be sheaving? 	may I have sheaved?
may you have sheaved?
may he have sheaved?
may we have sheaved?
may you have sheaved?
may they have sheaved? 	may I have been sheaving?
may you have been sheaving?
may he have been sheaving?
may we have been sheaving?
may you have been sheaving?
may they have been sheaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not sheave?
may you not sheave?
may he not sheave?
may we not sheave?
may you not sheave?
may they not sheave? 	may I not be sheaving?
may you not be sheaving?
may he not be sheaving?
may we not be sheaving?
may you not be sheaving?
may they not be sheaving? 	may I not have sheaved?
may you not have sheaved?
may he not have sheaved?
may we not have sheaved?
may you not have sheaved?
may they not have sheaved? 	may I not have been sheaving?
may you not have been sheaving?
may he not have been sheaving?
may we not have been sheaving?
may you not have been sheaving?
may they not have been sheaving?