may pi
Regular verb: pi - pied- pied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may pi
you may pi
she may pi
we may pi
you may pi
they may pi 	I may be piing
you may be piing
she may be piing
we may be piing
you may be piing
they may be piing	I may have pied
you may have pied
she may have pied
we may have pied
you may have pied
they may have pied	I may have been piing
you may have been piing
she may have been piing
we may have been piing
you may have been piing
they may have been piing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't pi
you mayn't pi
she mayn't pi
we mayn't pi
you mayn't pi
they mayn't pi 	I mayn't be piing
you mayn't be piing
she mayn't be piing
we mayn't be piing
you mayn't be piing
they mayn't be piing	I mayn't have pied
you mayn't have pied
she mayn't have pied
we mayn't have pied
you mayn't have pied
they mayn't have pied	I mayn't have been piing
you mayn't have been piing
she mayn't have been piing
we mayn't have been piing
you mayn't have been piing
they mayn't have been piing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I pi?
may you pi?
may she pi?
may we pi?
may you pi?
may they pi? 	may I be piing?
may you be piing?
may she be piing?
may we be piing?
may you be piing?
may they be piing? 	may I have pied?
may you have pied?
may she have pied?
may we have pied?
may you have pied?
may they have pied? 	may I have been piing?
may you have been piing?
may she have been piing?
may we have been piing?
may you have been piing?
may they have been piing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I pi?
mayn't you pi?
mayn't she pi?
mayn't we pi?
mayn't you pi?
mayn't they pi? 	mayn't I be piing?
mayn't you be piing?
mayn't she be piing?
mayn't we be piing?
mayn't you be piing?
mayn't they be piing? 	mayn't I have pied?
mayn't you have pied?
mayn't she have pied?
mayn't we have pied?
mayn't you have pied?
mayn't they have pied? 	mayn't I have been piing?
mayn't you have been piing?
mayn't she have been piing?
mayn't we have been piing?
mayn't you have been piing?
mayn't they have been piing?