For many,including those who have studied the language for so many years,problems start as they try to find the subject.I once used a very easy impromptu sentence to test some of my students understanding of just exactly that: Subject,verb and predicate.I once used a very easy impromptu sentence to test some of my students understanding of just exactly that: Subject,verb and predicate."the boy walking along the sidewalk towards the temple at the end of the street is actually and ex-student of mind.