Here’s another look at our friend, the preposition (pre-).
http://www.towson.edu/ows/prepositions.htm
Need a song to remember? Click this link:
http://www.english-grammar-revolution.com/list-of-prepositions.html
For a full list of prepositions click on this link: http://www.englishclub.com/vocabulary/prepositions/list.htm