It's not French. It's Belgian. LOL!
A critically acclaimed masterpiece, Chantal Akerman's Jeanne Dielman, 23 Quai du Commerce, 1080 Bruxelles has a 100% rating on Rotten Tomatoes. I'm surprised you don't have it.
http://www.rottentomatoes.com/m/jeanne_dielman_23_quai_du_commerce_1080_bruxelles/
Okay, how about this one...
L'Amour fou (1969).