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