English verb conjugation
MAY MESS

Regular verb: mess - messed - messed

Affirmation

Simple form	V-ing form
I may mess you may mess she may mess we may mess you may mess they may mess	I may be messing you may be messing she may be messing we may be messing you may be messing they may be messing
Perfect	V-ing perfect
I may have messed you may have messed she may have messed we may have messed you may have messed they may have messed	I may have been messing you may have been messing she may have been messing we may have been messing you may have been messing they may have been messing

Negation

Simple form	V-ing form
I may not mess you may not mess she may not mess we may not mess you may not mess they may not mess	I may not be messing you may not be messing she may not be messing we may not be messing you may not be messing they may not be messing
Perfect	V-ing perfect
I may not have messed you may not have messed she may not have messed we may not have messed you may not have messed they may not have messed	I may not have been messing you may not have been messing she may not have been messing we may not have been messing you may not have been messing they may not have been messing

Interrogative form

Simple form	V-ing form
may I mess? may you mess? may she mess? may we mess? may you mess? may they mess?	may I be messing? may you be messing? may she be messing? may we be messing? may you be messing? may they be messing?
Perfect	V-ing perfect
may I have messed? may you have messed? may she have messed? may we have messed? may you have messed? may they have messed?	may I have been messing? may you have been messing? may she have been messing? may we have been messing? may you have been messing? may they have been messing?

Interro-negative form

Simple form	V-ing form
may I not mess? may you not mess? may she not mess? may we not mess? may you not mess? may they not mess?	may I not be messing? may you not be messing? may she not be messing? may we not be messing? may you not be messing? may they not be messing?
Perfect	V-ing perfect
may I not have messed? may you not have messed? may she not have messed? may we not have messed? may you not have messed? may they not have messed?	may I not have been messing? may you not have been messing? may she not have been messing? may we not have been messing? may you not have been messing? may they not have been messing?