may one-up
Regular verb: one-up - one-uped- one-uped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may one-up
you may one-up
she may one-up
we may one-up
you may one-up
they may one-up 	I may be one-uping
you may be one-uping
she may be one-uping
we may be one-uping
you may be one-uping
they may be one-uping	I may have one-uped
you may have one-uped
she may have one-uped
we may have one-uped
you may have one-uped
they may have one-uped	I may have been one-uping
you may have been one-uping
she may have been one-uping
we may have been one-uping
you may have been one-uping
they may have been one-uping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't one-up
you mayn't one-up
she mayn't one-up
we mayn't one-up
you mayn't one-up
they mayn't one-up 	I mayn't be one-uping
you mayn't be one-uping
she mayn't be one-uping
we mayn't be one-uping
you mayn't be one-uping
they mayn't be one-uping	I mayn't have one-uped
you mayn't have one-uped
she mayn't have one-uped
we mayn't have one-uped
you mayn't have one-uped
they mayn't have one-uped	I mayn't have been one-uping
you mayn't have been one-uping
she mayn't have been one-uping
we mayn't have been one-uping
you mayn't have been one-uping
they mayn't have been one-uping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I one-up?
may you one-up?
may she one-up?
may we one-up?
may you one-up?
may they one-up? 	may I be one-uping?
may you be one-uping?
may she be one-uping?
may we be one-uping?
may you be one-uping?
may they be one-uping? 	may I have one-uped?
may you have one-uped?
may she have one-uped?
may we have one-uped?
may you have one-uped?
may they have one-uped? 	may I have been one-uping?
may you have been one-uping?
may she have been one-uping?
may we have been one-uping?
may you have been one-uping?
may they have been one-uping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I one-up?
mayn't you one-up?
mayn't she one-up?
mayn't we one-up?
mayn't you one-up?
mayn't they one-up? 	mayn't I be one-uping?
mayn't you be one-uping?
mayn't she be one-uping?
mayn't we be one-uping?
mayn't you be one-uping?
mayn't they be one-uping? 	mayn't I have one-uped?
mayn't you have one-uped?
mayn't she have one-uped?
mayn't we have one-uped?
mayn't you have one-uped?
mayn't they have one-uped? 	mayn't I have been one-uping?
mayn't you have been one-uping?
mayn't she have been one-uping?
mayn't we have been one-uping?
mayn't you have been one-uping?
mayn't they have been one-uping?