his/her promise
Elle a dû oublier sa promesse.
She must have forgotten her promise.
M. Yoshida n'a jamais rompu sa promesse.
Mr. Yoshida has never broken his promise.
Il oubliera probablement sa promesse.
He will probably forget his promise.
Elle n'a pas réussi à tenir sa promesse.
She failed to keep her promise.
Il n'accomplit pas sa promesse.
He is not keeping his promise.
Ce n'était pas facile pour lui de tenir sa promesse.
It wasn’t easy for him to keep his promise.
Le maître a rompu sa promesse.
The master broke his promise.
— Le Seigneur des anneaux : Les Deux Tours (2002)
Elle le maudit pour avoir oublié sa promesse.
She cursed him for forgetting his promise.
Il a été fidèle à sa promesse.
He kept his promise.
Il n'a pas respecté sa promesse.
He didn't keep his promise.