I may mar you may mar she may mar we may mar you may mar they may mar
V-ing form
I may be marring you may be marring she may be marring we may be marring you may be marring they may be marring
Perfect
I may have marred you may have marred she may have marred we may have marred you may have marred they may have marred
V-ing perfect
I may have been marring you may have been marring she may have been marring we may have been marring you may have been marring they may have been marring
Negation
Simple form
I may not mar you may not mar she may not mar we may not mar you may not mar they may not mar
V-ing form
I may not be marring you may not be marring she may not be marring we may not be marring you may not be marring they may not be marring
Perfect
I may not have marred you may not have marred she may not have marred we may not have marred you may not have marred they may not have marred
V-ing perfect
I may not have been marring you may not have been marring she may not have been marring we may not have been marring you may not have been marring they may not have been marring
Interrogative form
Simple form
may I mar? may you mar? may she mar? may we mar? may you mar? may they mar?
V-ing form
may I be marring? may you be marring? may she be marring? may we be marring? may you be marring? may they be marring?
Perfect
may I have marred? may you have marred? may she have marred? may we have marred? may you have marred? may they have marred?
V-ing perfect
may I have been marring? may you have been marring? may she have been marring? may we have been marring? may you have been marring? may they have been marring?
Interro-negative form
Simple form
may I not mar? may you not mar? may she not mar? may we not mar? may you not mar? may they not mar?
V-ing form
may I not be marring? may you not be marring? may she not be marring? may we not be marring? may you not be marring? may they not be marring?
Perfect
may I not have marred? may you not have marred? may she not have marred? may we not have marred? may you not have marred? may they not have marred?
V-ing perfect
may I not have been marring? may you not have been marring? may she not have been marring? may we not have been marring? may you not have been marring? may they not have been marring?