How do you say will return in french?

The most common way to say "will return" in French depends on the context:

* For a simple future action: "retournera" (masculine singular) or "retourneront" (plural)

* For a more formal or literary context: "reviendra" (masculine singular) or "reviendront" (plural)

Here are some examples:

* "Le livre retournera à la bibliothèque." (The book will return to the library.)

* "Les oiseaux reviendront au printemps." (The birds will return in the spring.)

You can also use the present tense with "aller" to express a future action:

* "Je vais retourner à Paris." (I will return to Paris.)

* "Ils vont revenir demain." (They will return tomorrow.)

Remember to conjugate the verb "retourner" or "revenir" according to the subject and the tense you're using.