Learn how to translate “by the time” in French my friend.
le temps que
avant que
au moment où
by the time
Tout était fini avant que j’arrive à la fête.
It was all finished by the time I arrived at the party.
Il avait visité le Château de Chambord avant que des travaux de rénovation soient entrepris.
He had visited the Château de Chambord by the time renovation work was undertaken.
Elle savait exactement ce qu’ils allaient dire lorsqu’elle a commencé à regarder leur vidéo dans le confort de sa maison.
She knew exactly what they were going to say by the time she began watching their video in the comfort of her home.
Le temps que je comprenne qu’il m’aimait, c’était trop tard, il était parti.
By the time I understood that he loved me, it was too late, he was gone.
French With a Smile 