may lesson
Regular verb: lesson - lessoned- lessoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may lesson
you may lesson
she may lesson
we may lesson
you may lesson
they may lesson 	I may be lessoning
you may be lessoning
she may be lessoning
we may be lessoning
you may be lessoning
they may be lessoning	I may have lessoned
you may have lessoned
she may have lessoned
we may have lessoned
you may have lessoned
they may have lessoned	I may have been lessoning
you may have been lessoning
she may have been lessoning
we may have been lessoning
you may have been lessoning
they may have been lessoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not lesson
you may not lesson
she may not lesson
we may not lesson
you may not lesson
they may not lesson 	I may not be lessoning
you may not be lessoning
she may not be lessoning
we may not be lessoning
you may not be lessoning
they may not be lessoning	I may not have lessoned
you may not have lessoned
she may not have lessoned
we may not have lessoned
you may not have lessoned
they may not have lessoned	I may not have been lessoning
you may not have been lessoning
she may not have been lessoning
we may not have been lessoning
you may not have been lessoning
they may not have been lessoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I lesson?
may you lesson?
may she lesson?
may we lesson?
may you lesson?
may they lesson? 	may I be lessoning?
may you be lessoning?
may she be lessoning?
may we be lessoning?
may you be lessoning?
may they be lessoning? 	may I have lessoned?
may you have lessoned?
may she have lessoned?
may we have lessoned?
may you have lessoned?
may they have lessoned? 	may I have been lessoning?
may you have been lessoning?
may she have been lessoning?
may we have been lessoning?
may you have been lessoning?
may they have been lessoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not lesson?
may you not lesson?
may she not lesson?
may we not lesson?
may you not lesson?
may they not lesson? 	may I not be lessoning?
may you not be lessoning?
may she not be lessoning?
may we not be lessoning?
may you not be lessoning?
may they not be lessoning? 	may I not have lessoned?
may you not have lessoned?
may she not have lessoned?
may we not have lessoned?
may you not have lessoned?
may they not have lessoned? 	may I not have been lessoning?
may you not have been lessoning?
may she not have been lessoning?
may we not have been lessoning?
may you not have been lessoning?
may they not have been lessoning?