-Are you using the right knife and fork?
-Are you holding the knife and fork correctly?
-How do you rest the knife and fork when you are not eating?
-How do you identify all the items in a place setting?
-What's the difference between a goblet, red wine, and white wine glass?
-How do you unfold your napkin?
-Where to leave the napkin if you must leave the table for a short while?
-Where do you leave the napkin when the meal is over?
-Etc.