If you haven't done so yet, please read File 4.3 in Language Files and then do the following exercises:
ex. 1, ex. 2, ex. 3, ex. 4, all on page 116. They are due on 7 October.

Also, please make sure you have read File 4.4: 'How to Solve Phonology Exercises' before next class--we are going to do phonology exercises then.