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