I promised him/her
Je lui ai promis qu'on irait ensemble.
I promised him/her that we would go together.
— Dernier train pour Busan (2016)
Je lui ai promis de ne rien répéter.
I promised him I wouldn't repeat anything.
Je lui ai promis de ne le dire à personne.
I promised him/her I wouldn't tell anyone.
Je lui ai promis qu'on mangerait dans son bar.
I promised him/her that we would eat at their bar.
— Parle avec elle (2002)
Je lui ai promis l'autographe de Harry.
I promised him Harry's autograph.
— Harry Potter et la Coupe de feu (2005)
Je lui ai promis de ne pas le lui dire.
I promised him I wouldn't tell him.
Je lui ai promis que je ne le ferai plus.
I promised him I wouldn't do it again.