Some of you may already know this, but this OWL (Online Writing Lab) at Purdue has excellent worksheets to teach close reading, strong thesis-writing, citation, and more. While they are designed for English language writers, many of the techniques can be clearly adapted to French literature.
https://owl.english.purdue.edu/owl/
https://owl.english.purdue.edu/owl/resource/588/01/ Strong thesis writing
https://owl.english.purdue.edu/owl/section/4/17/ Writing about literature
Teaching Resources: