I may excel you may excel she may excel we may excel you may excel they may excel
V-ing form
I may be excelling you may be excelling she may be excelling we may be excelling you may be excelling they may be excelling
Perfect
I may have excelled you may have excelled she may have excelled we may have excelled you may have excelled they may have excelled
V-ing perfect
I may have been excelling you may have been excelling she may have been excelling we may have been excelling you may have been excelling they may have been excelling
Negation
Simple form
I may not excel you may not excel she may not excel we may not excel you may not excel they may not excel
V-ing form
I may not be excelling you may not be excelling she may not be excelling we may not be excelling you may not be excelling they may not be excelling
Perfect
I may not have excelled you may not have excelled she may not have excelled we may not have excelled you may not have excelled they may not have excelled
V-ing perfect
I may not have been excelling you may not have been excelling she may not have been excelling we may not have been excelling you may not have been excelling they may not have been excelling
Interrogative form
Simple form
may I excel? may you excel? may she excel? may we excel? may you excel? may they excel?
V-ing form
may I be excelling? may you be excelling? may she be excelling? may we be excelling? may you be excelling? may they be excelling?
Perfect
may I have excelled? may you have excelled? may she have excelled? may we have excelled? may you have excelled? may they have excelled?
V-ing perfect
may I have been excelling? may you have been excelling? may she have been excelling? may we have been excelling? may you have been excelling? may they have been excelling?
Interro-negative form
Simple form
may I not excel? may you not excel? may she not excel? may we not excel? may you not excel? may they not excel?
V-ing form
may I not be excelling? may you not be excelling? may she not be excelling? may we not be excelling? may you not be excelling? may they not be excelling?
Perfect
may I not have excelled? may you not have excelled? may she not have excelled? may we not have excelled? may you not have excelled? may they not have excelled?
V-ing perfect
may I not have been excelling? may you not have been excelling? may she not have been excelling? may we not have been excelling? may you not have been excelling? may they not have been excelling?