may excel
Regular verb: excel - excelled- excelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may excel
you may excel
she may excel
we may excel
you may excel
they may excel 	I may be excelling
you may be excelling
she may be excelling
we may be excelling
you may be excelling
they may be excelling	I may have excelled
you may have excelled
she may have excelled
we may have excelled
you may have excelled
they may have excelled	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't excel
you mayn't excel
she mayn't excel
we mayn't excel
you mayn't excel
they mayn't excel 	I mayn't be excelling
you mayn't be excelling
she mayn't be excelling
we mayn't be excelling
you mayn't be excelling
they mayn't be excelling	I mayn't have excelled
you mayn't have excelled
she mayn't have excelled
we mayn't have excelled
you mayn't have excelled
they mayn't have excelled	I mayn't have been excelling
you mayn't have been excelling
she mayn't have been excelling
we mayn't have been excelling
you mayn't have been excelling
they mayn't have been excelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I excel?
may you excel?
may she excel?
may we excel?
may you excel?
may they excel? 	may I be excelling?
may you be excelling?
may she be excelling?
may we be excelling?
may you be excelling?
may they be excelling? 	may I have excelled?
may you have excelled?
may she have excelled?
may we have excelled?
may you have excelled?
may they have excelled? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I excel?
mayn't you excel?
mayn't she excel?
mayn't we excel?
mayn't you excel?
mayn't they excel? 	mayn't I be excelling?
mayn't you be excelling?
mayn't she be excelling?
mayn't we be excelling?
mayn't you be excelling?
mayn't they be excelling? 	mayn't I have excelled?
mayn't you have excelled?
mayn't she have excelled?
mayn't we have excelled?
mayn't you have excelled?
mayn't they have excelled? 	mayn't I have been excelling?
mayn't you have been excelling?
mayn't she have been excelling?
mayn't we have been excelling?
mayn't you have been excelling?
mayn't they have been excelling?