may yes
Regular verb: yes - yesed- yesed

Affirmation 	
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I may yes
you may yes
he may yes
we may yes
you may yes
they may yes 	I may be yesing
you may be yesing
he may be yesing
we may be yesing
you may be yesing
they may be yesing	I may have yesed
you may have yesed
he may have yesed
we may have yesed
you may have yesed
they may have yesed	I may have been yesing
you may have been yesing
he may have been yesing
we may have been yesing
you may have been yesing
they may have been yesing	

Negation 	
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I mayn't yes
you mayn't yes
he mayn't yes
we mayn't yes
you mayn't yes
they mayn't yes 	I mayn't be yesing
you mayn't be yesing
he mayn't be yesing
we mayn't be yesing
you mayn't be yesing
they mayn't be yesing	I mayn't have yesed
you mayn't have yesed
he mayn't have yesed
we mayn't have yesed
you mayn't have yesed
they mayn't have yesed	I mayn't have been yesing
you mayn't have been yesing
he mayn't have been yesing
we mayn't have been yesing
you mayn't have been yesing
they mayn't have been yesing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I yes?
may you yes?
may he yes?
may we yes?
may you yes?
may they yes? 	may I be yesing?
may you be yesing?
may he be yesing?
may we be yesing?
may you be yesing?
may they be yesing? 	may I have yesed?
may you have yesed?
may he have yesed?
may we have yesed?
may you have yesed?
may they have yesed? 	may I have been yesing?
may you have been yesing?
may he have been yesing?
may we have been yesing?
may you have been yesing?
may they have been yesing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I yes?
mayn't you yes?
mayn't he yes?
mayn't we yes?
mayn't you yes?
mayn't they yes? 	mayn't I be yesing?
mayn't you be yesing?
mayn't he be yesing?
mayn't we be yesing?
mayn't you be yesing?
mayn't they be yesing? 	mayn't I have yesed?
mayn't you have yesed?
mayn't he have yesed?
mayn't we have yesed?
mayn't you have yesed?
mayn't they have yesed? 	mayn't I have been yesing?
mayn't you have been yesing?
mayn't he have been yesing?
mayn't we have been yesing?
mayn't you have been yesing?
mayn't they have been yesing?