may rob
Regular verb: rob - robbed- robbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rob
you may rob
she may rob
we may rob
you may rob
they may rob 	I may be robbing
you may be robbing
she may be robbing
we may be robbing
you may be robbing
they may be robbing	I may have robbed
you may have robbed
she may have robbed
we may have robbed
you may have robbed
they may have robbed	I may have been robbing
you may have been robbing
she may have been robbing
we may have been robbing
you may have been robbing
they may have been robbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't rob
you mayn't rob
she mayn't rob
we mayn't rob
you mayn't rob
they mayn't rob 	I mayn't be robbing
you mayn't be robbing
she mayn't be robbing
we mayn't be robbing
you mayn't be robbing
they mayn't be robbing	I mayn't have robbed
you mayn't have robbed
she mayn't have robbed
we mayn't have robbed
you mayn't have robbed
they mayn't have robbed	I mayn't have been robbing
you mayn't have been robbing
she mayn't have been robbing
we mayn't have been robbing
you mayn't have been robbing
they mayn't have been robbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rob?
may you rob?
may she rob?
may we rob?
may you rob?
may they rob? 	may I be robbing?
may you be robbing?
may she be robbing?
may we be robbing?
may you be robbing?
may they be robbing? 	may I have robbed?
may you have robbed?
may she have robbed?
may we have robbed?
may you have robbed?
may they have robbed? 	may I have been robbing?
may you have been robbing?
may she have been robbing?
may we have been robbing?
may you have been robbing?
may they have been robbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I rob?
mayn't you rob?
mayn't she rob?
mayn't we rob?
mayn't you rob?
mayn't they rob? 	mayn't I be robbing?
mayn't you be robbing?
mayn't she be robbing?
mayn't we be robbing?
mayn't you be robbing?
mayn't they be robbing? 	mayn't I have robbed?
mayn't you have robbed?
mayn't she have robbed?
mayn't we have robbed?
mayn't you have robbed?
mayn't they have robbed? 	mayn't I have been robbing?
mayn't you have been robbing?
mayn't she have been robbing?
mayn't we have been robbing?
mayn't you have been robbing?
mayn't they have been robbing?