may comb
Regular verb: comb - combed- combed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may comb
you may comb
she may comb
we may comb
you may comb
they may comb 	I may be combing
you may be combing
she may be combing
we may be combing
you may be combing
they may be combing	I may have combed
you may have combed
she may have combed
we may have combed
you may have combed
they may have combed	I may have been combing
you may have been combing
she may have been combing
we may have been combing
you may have been combing
they may have been combing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't comb
you mayn't comb
she mayn't comb
we mayn't comb
you mayn't comb
they mayn't comb 	I mayn't be combing
you mayn't be combing
she mayn't be combing
we mayn't be combing
you mayn't be combing
they mayn't be combing	I mayn't have combed
you mayn't have combed
she mayn't have combed
we mayn't have combed
you mayn't have combed
they mayn't have combed	I mayn't have been combing
you mayn't have been combing
she mayn't have been combing
we mayn't have been combing
you mayn't have been combing
they mayn't have been combing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I comb?
may you comb?
may she comb?
may we comb?
may you comb?
may they comb? 	may I be combing?
may you be combing?
may she be combing?
may we be combing?
may you be combing?
may they be combing? 	may I have combed?
may you have combed?
may she have combed?
may we have combed?
may you have combed?
may they have combed? 	may I have been combing?
may you have been combing?
may she have been combing?
may we have been combing?
may you have been combing?
may they have been combing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I comb?
mayn't you comb?
mayn't she comb?
mayn't we comb?
mayn't you comb?
mayn't they comb? 	mayn't I be combing?
mayn't you be combing?
mayn't she be combing?
mayn't we be combing?
mayn't you be combing?
mayn't they be combing? 	mayn't I have combed?
mayn't you have combed?
mayn't she have combed?
mayn't we have combed?
mayn't you have combed?
mayn't they have combed? 	mayn't I have been combing?
mayn't you have been combing?
mayn't she have been combing?
mayn't we have been combing?
mayn't you have been combing?
mayn't they have been combing?