may tab
Regular verb: tab - tabed- tabed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tab
you may tab
she may tab
we may tab
you may tab
they may tab 	I may be tabing
you may be tabing
she may be tabing
we may be tabing
you may be tabing
they may be tabing	I may have tabed
you may have tabed
she may have tabed
we may have tabed
you may have tabed
they may have tabed	I may have been tabing
you may have been tabing
she may have been tabing
we may have been tabing
you may have been tabing
they may have been tabing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tab
you mayn't tab
she mayn't tab
we mayn't tab
you mayn't tab
they mayn't tab 	I mayn't be tabing
you mayn't be tabing
she mayn't be tabing
we mayn't be tabing
you mayn't be tabing
they mayn't be tabing	I mayn't have tabed
you mayn't have tabed
she mayn't have tabed
we mayn't have tabed
you mayn't have tabed
they mayn't have tabed	I mayn't have been tabing
you mayn't have been tabing
she mayn't have been tabing
we mayn't have been tabing
you mayn't have been tabing
they mayn't have been tabing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tab?
may you tab?
may she tab?
may we tab?
may you tab?
may they tab? 	may I be tabing?
may you be tabing?
may she be tabing?
may we be tabing?
may you be tabing?
may they be tabing? 	may I have tabed?
may you have tabed?
may she have tabed?
may we have tabed?
may you have tabed?
may they have tabed? 	may I have been tabing?
may you have been tabing?
may she have been tabing?
may we have been tabing?
may you have been tabing?
may they have been tabing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tab?
mayn't you tab?
mayn't she tab?
mayn't we tab?
mayn't you tab?
mayn't they tab? 	mayn't I be tabing?
mayn't you be tabing?
mayn't she be tabing?
mayn't we be tabing?
mayn't you be tabing?
mayn't they be tabing? 	mayn't I have tabed?
mayn't you have tabed?
mayn't she have tabed?
mayn't we have tabed?
mayn't you have tabed?
mayn't they have tabed? 	mayn't I have been tabing?
mayn't you have been tabing?
mayn't she have been tabing?
mayn't we have been tabing?
mayn't you have been tabing?
mayn't they have been tabing?