tu deviendras

will become

→ devenir
de of + viendr come + as you will (future)
verb · second singular · future indicative Rare #42,658
will become
FR: Tu deviendras un excellent musicien.
EN: You will become an excellent musician.
Conjugation of devenir
Indicative future
SingularPlural
Second deviendras deviendrez
Third deviendra deviendront

Tu le deviendras si tu sais le mériter et si tu te conduis bien.

You will become one if you know how to earn it and behave yourself.

— Pinocchio (2019)

Tu ne deviendras pas un cochon.

You will not become a pig.

— Le Voyage de Chihiro (2001)

Peut-être deviendras-tu professeur un jour?

Perhaps you'll become a teacher one day?

J'espère que tu ne deviendras jamais communiste.

I hope you never become a communist.