before
US /bɪˈfɔːr/
UK /bɪˈfɔːr/

1.
avant
during the period of time preceding (a particular event or time)
:
•
Always wash your hands before eating.
Lavez-vous toujours les mains avant de manger.
•
She arrived just before noon.
Elle est arrivée juste avant midi.
2.
devant
in front of (someone or something)
:
•
The judge stood before the jury.
Le juge se tenait devant le jury.
•
He knelt before the king.
Il s’agenouilla devant le roi.
1.
avant, auparavant
at an earlier time; previously
:
•
I've seen this movie before.
J’ai déjà vu ce film avant.
•
She had never flown before.
Elle n’avait jamais volé avant.
1.
avant que
at an earlier time than (something else)
:
•
He finished the race before anyone else.
Il a terminé la course avant tout le monde.
•
Make sure you lock the door before you leave.
Assurez-vous de verrouiller la porte avant de partir.