may surf
Regular verb: surf - surfed- surfed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may surf
you may surf
she may surf
we may surf
you may surf
they may surf 	I may be surfing
you may be surfing
she may be surfing
we may be surfing
you may be surfing
they may be surfing	I may have surfed
you may have surfed
she may have surfed
we may have surfed
you may have surfed
they may have surfed	I may have been surfing
you may have been surfing
she may have been surfing
we may have been surfing
you may have been surfing
they may have been surfing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't surf
you mayn't surf
she mayn't surf
we mayn't surf
you mayn't surf
they mayn't surf 	I mayn't be surfing
you mayn't be surfing
she mayn't be surfing
we mayn't be surfing
you mayn't be surfing
they mayn't be surfing	I mayn't have surfed
you mayn't have surfed
she mayn't have surfed
we mayn't have surfed
you mayn't have surfed
they mayn't have surfed	I mayn't have been surfing
you mayn't have been surfing
she mayn't have been surfing
we mayn't have been surfing
you mayn't have been surfing
they mayn't have been surfing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I surf?
may you surf?
may she surf?
may we surf?
may you surf?
may they surf? 	may I be surfing?
may you be surfing?
may she be surfing?
may we be surfing?
may you be surfing?
may they be surfing? 	may I have surfed?
may you have surfed?
may she have surfed?
may we have surfed?
may you have surfed?
may they have surfed? 	may I have been surfing?
may you have been surfing?
may she have been surfing?
may we have been surfing?
may you have been surfing?
may they have been surfing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I surf?
mayn't you surf?
mayn't she surf?
mayn't we surf?
mayn't you surf?
mayn't they surf? 	mayn't I be surfing?
mayn't you be surfing?
mayn't she be surfing?
mayn't we be surfing?
mayn't you be surfing?
mayn't they be surfing? 	mayn't I have surfed?
mayn't you have surfed?
mayn't she have surfed?
mayn't we have surfed?
mayn't you have surfed?
mayn't they have surfed? 	mayn't I have been surfing?
mayn't you have been surfing?
mayn't she have been surfing?
mayn't we have been surfing?
mayn't you have been surfing?
mayn't they have been surfing?