How do you say in French how speak French?

There are a few ways to say "how do you speak French" in French, depending on the context and level of formality:

Formal:

* Comment parlez-vous français ? (This is the most common and formal way to ask.)

* Comment vous exprimez-vous en français ? (This is slightly more formal and emphasizes the use of the language.)

Informal:

* Comment tu parles français ? (This is the informal way to ask, used with friends or family.)

* Tu parles français comment ? (This is another informal option, asking how someone speaks French, literally "you speak French how?")

To ask someone how well they speak French:

* Quel est votre niveau de français ? (What is your level of French?)

* Vous parlez français couramment ? (Do you speak French fluently?)

Remember to choose the appropriate phrase based on your relationship with the person you are talking to.