may hum
Regular verb: hum - humed- humed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may hum
you may hum
she may hum
we may hum
you may hum
they may hum 	I may be huming
you may be huming
she may be huming
we may be huming
you may be huming
they may be huming	I may have humed
you may have humed
she may have humed
we may have humed
you may have humed
they may have humed	I may have been huming
you may have been huming
she may have been huming
we may have been huming
you may have been huming
they may have been huming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't hum
you mayn't hum
she mayn't hum
we mayn't hum
you mayn't hum
they mayn't hum 	I mayn't be huming
you mayn't be huming
she mayn't be huming
we mayn't be huming
you mayn't be huming
they mayn't be huming	I mayn't have humed
you mayn't have humed
she mayn't have humed
we mayn't have humed
you mayn't have humed
they mayn't have humed	I mayn't have been huming
you mayn't have been huming
she mayn't have been huming
we mayn't have been huming
you mayn't have been huming
they mayn't have been huming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I hum?
may you hum?
may she hum?
may we hum?
may you hum?
may they hum? 	may I be huming?
may you be huming?
may she be huming?
may we be huming?
may you be huming?
may they be huming? 	may I have humed?
may you have humed?
may she have humed?
may we have humed?
may you have humed?
may they have humed? 	may I have been huming?
may you have been huming?
may she have been huming?
may we have been huming?
may you have been huming?
may they have been huming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I hum?
mayn't you hum?
mayn't she hum?
mayn't we hum?
mayn't you hum?
mayn't they hum? 	mayn't I be huming?
mayn't you be huming?
mayn't she be huming?
mayn't we be huming?
mayn't you be huming?
mayn't they be huming? 	mayn't I have humed?
mayn't you have humed?
mayn't she have humed?
mayn't we have humed?
mayn't you have humed?
mayn't they have humed? 	mayn't I have been huming?
mayn't you have been huming?
mayn't she have been huming?
mayn't we have been huming?
mayn't you have been huming?
mayn't they have been huming?