Question

would you use tu or vous when talking the following person? Mlle. Fornier

Answer 1

You would use vous since "Mlle. Fornier" means Ms. Fornier, and is formal. You wouldn't address your friend as "Ms. ____", so it has to be formal. :)

Answer 2

You would use vous since "Mlle. Fornier" means Ms. Fornier, and is formal. You wouldn't address your friend as "Ms. ____", so it has to be formal.