17 verbs are conjugated with être. They are: Devenir (to become), revenir (to come back), monter (to go up), rester (to stay), sortir (to go out), venir (to come), aller (to go), naître (to be born), descendre (to go down), entrer (to enter), rentrer (to return home), tomber (to fall), retourner (to return), arriver (to arrive), mourir (to die), partir (to leave), and passer (to pass by).
french conjugation Passé composé