Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may mess mess you may mess mess he may mess mess we may mess mess you may mess mess they may mess mess
V-ing form
I may be mess messing you may be mess messing he may be mess messing we may be mess messing you may be mess messing they may be mess messing
Perfect
I may have mess messed you may have mess messed he may have mess messed we may have mess messed you may have mess messed they may have mess messed
V-ing perfect
I may have been mess messing you may have been mess messing he may have been mess messing we may have been mess messing you may have been mess messing they may have been mess messing
Negation
Simple form
I may not mess mess you may not mess mess he may not mess mess we may not mess mess you may not mess mess they may not mess mess
V-ing form
I may not be mess messing you may not be mess messing he may not be mess messing we may not be mess messing you may not be mess messing they may not be mess messing
Perfect
I may not have mess messed you may not have mess messed he may not have mess messed we may not have mess messed you may not have mess messed they may not have mess messed
V-ing perfect
I may not have been mess messing you may not have been mess messing he may not have been mess messing we may not have been mess messing you may not have been mess messing they may not have been mess messing
Interrogative form
Simple form
may I mess mess? may you mess mess? may he mess mess? may we mess mess? may you mess mess? may they mess mess?
V-ing form
may I be mess messing? may you be mess messing? may he be mess messing? may we be mess messing? may you be mess messing? may they be mess messing?
Perfect
may I have mess messed? may you have mess messed? may he have mess messed? may we have mess messed? may you have mess messed? may they have mess messed?
V-ing perfect
may I have been mess messing? may you have been mess messing? may he have been mess messing? may we have been mess messing? may you have been mess messing? may they have been mess messing?
Interro-negative form
Simple form
may I not mess mess? may you not mess mess? may he not mess mess? may we not mess mess? may you not mess mess? may they not mess mess?
V-ing form
may I not be mess messing? may you not be mess messing? may he not be mess messing? may we not be mess messing? may you not be mess messing? may they not be mess messing?
Perfect
may I not have mess messed? may you not have mess messed? may he not have mess messed? may we not have mess messed? may you not have mess messed? may they not have mess messed?
V-ing perfect
may I not have been mess messing? may you not have been mess messing? may he not have been mess messing? may we not have been mess messing? may you not have been mess messing? may they not have been mess messing?