may value
Regular verb: value - valued- valued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may value
you may value
he may value
we may value
you may value
they may value 	I may be valuing
you may be valuing
he may be valuing
we may be valuing
you may be valuing
they may be valuing	I may have valued
you may have valued
he may have valued
we may have valued
you may have valued
they may have valued	I may have been valuing
you may have been valuing
he may have been valuing
we may have been valuing
you may have been valuing
they may have been valuing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't value
you mayn't value
he mayn't value
we mayn't value
you mayn't value
they mayn't value 	I mayn't be valuing
you mayn't be valuing
he mayn't be valuing
we mayn't be valuing
you mayn't be valuing
they mayn't be valuing	I mayn't have valued
you mayn't have valued
he mayn't have valued
we mayn't have valued
you mayn't have valued
they mayn't have valued	I mayn't have been valuing
you mayn't have been valuing
he mayn't have been valuing
we mayn't have been valuing
you mayn't have been valuing
they mayn't have been valuing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I value?
may you value?
may he value?
may we value?
may you value?
may they value? 	may I be valuing?
may you be valuing?
may he be valuing?
may we be valuing?
may you be valuing?
may they be valuing? 	may I have valued?
may you have valued?
may he have valued?
may we have valued?
may you have valued?
may they have valued? 	may I have been valuing?
may you have been valuing?
may he have been valuing?
may we have been valuing?
may you have been valuing?
may they have been valuing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I value?
mayn't you value?
mayn't he value?
mayn't we value?
mayn't you value?
mayn't they value? 	mayn't I be valuing?
mayn't you be valuing?
mayn't he be valuing?
mayn't we be valuing?
mayn't you be valuing?
mayn't they be valuing? 	mayn't I have valued?
mayn't you have valued?
mayn't he have valued?
mayn't we have valued?
mayn't you have valued?
mayn't they have valued? 	mayn't I have been valuing?
mayn't you have been valuing?
mayn't he have been valuing?
mayn't we have been valuing?
mayn't you have been valuing?
mayn't they have been valuing?