may unlearn
Regular verb: unlearn - unlearned- unlearned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unlearn
you may unlearn
she may unlearn
we may unlearn
you may unlearn
they may unlearn 	I may be unlearning
you may be unlearning
she may be unlearning
we may be unlearning
you may be unlearning
they may be unlearning	I may have unlearned
you may have unlearned
she may have unlearned
we may have unlearned
you may have unlearned
they may have unlearned	I may have been unlearning
you may have been unlearning
she may have been unlearning
we may have been unlearning
you may have been unlearning
they may have been unlearning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't unlearn
you mayn't unlearn
she mayn't unlearn
we mayn't unlearn
you mayn't unlearn
they mayn't unlearn 	I mayn't be unlearning
you mayn't be unlearning
she mayn't be unlearning
we mayn't be unlearning
you mayn't be unlearning
they mayn't be unlearning	I mayn't have unlearned
you mayn't have unlearned
she mayn't have unlearned
we mayn't have unlearned
you mayn't have unlearned
they mayn't have unlearned	I mayn't have been unlearning
you mayn't have been unlearning
she mayn't have been unlearning
we mayn't have been unlearning
you mayn't have been unlearning
they mayn't have been unlearning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I unlearn?
may you unlearn?
may she unlearn?
may we unlearn?
may you unlearn?
may they unlearn? 	may I be unlearning?
may you be unlearning?
may she be unlearning?
may we be unlearning?
may you be unlearning?
may they be unlearning? 	may I have unlearned?
may you have unlearned?
may she have unlearned?
may we have unlearned?
may you have unlearned?
may they have unlearned? 	may I have been unlearning?
may you have been unlearning?
may she have been unlearning?
may we have been unlearning?
may you have been unlearning?
may they have been unlearning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I unlearn?
mayn't you unlearn?
mayn't she unlearn?
mayn't we unlearn?
mayn't you unlearn?
mayn't they unlearn? 	mayn't I be unlearning?
mayn't you be unlearning?
mayn't she be unlearning?
mayn't we be unlearning?
mayn't you be unlearning?
mayn't they be unlearning? 	mayn't I have unlearned?
mayn't you have unlearned?
mayn't she have unlearned?
mayn't we have unlearned?
mayn't you have unlearned?
mayn't they have unlearned? 	mayn't I have been unlearning?
mayn't you have been unlearning?
mayn't she have been unlearning?
mayn't we have been unlearning?
mayn't you have been unlearning?
mayn't they have been unlearning?