Answer:
The best way to locate a suffix is to look for a word part that is added to the end of the word root.
edit: I hope I helped T-T
You need the passage to answer this.or am I wrong?
A proper noun doesn't just tell what something or who something is, it tells EXACTLY what or who it is. So for example : We went to the restaurant is a noun, but we went to Subway is proper.