How do you say she speaks French in French?

There are a few ways to say "she speaks French" in French, depending on the level of formality and context:

Formal:

* Elle parle français. (This is the most common and neutral way to say it.)

Informal:

* Elle parle français. (This is also acceptable in informal contexts.)

* Elle cause français. (This is a more colloquial way to say it, similar to saying "she speaks French" in English.)

You can also use other verbs to express the idea of speaking a language, such as:

* Elle maîtrise le français. (She masters French)

* Elle est bilingue en français. (She is bilingual in French)

The best way to choose the right phrase depends on the context of the conversation.