had to, was supposed to
Il s'est passé ce qui devait se passer.
What was meant to happen happened.
Elle avait oublié qu'elle devait me remplacer.
She had forgotten that she was supposed to fill in for me.
— Salé, Sucré (1994)
Je comptais rentrer préparer le colis que Lois devait emporter.
I was planning to go home and prepare the package that Lois was supposed to take.
— Les Affranchis (1990)
Et le père d'Yves devait les raccompagner.
And Yves's father was supposed to accompany them home.
— Caché (2005)
Et c'est quelque chose que mon remplaçant devait comprendre.
And that's something my replacement needed to understand.
— Troupe d'Élite (2007)
Le festin devait durer toute la nuit.
The feast was to last all night.
Tom a dit qu'il avait pu faire tout ce qu'il devait faire.
Tom said that he had been able to do everything he needed to do.
Si cela devait arriver, que feriez-vous ?
If that were to happen, what would you do?
La moitié des gens ici devait de l'argent à Bumpy.
Half the people here owed Bumpy money.
— American Gangster (2007)
Il devait son succès autant à son habileté qu'à son application.
He owed his success as much to his skill as to his hard work.