sa clé

his/her key

→ son
phrase Uncommon #18,175
his/her key Sa agrees with clé, which is feminine; it can refer to a male or female owner.
FR: Elle a oublié sa clé à la maison.
EN: She forgot her key at home.

Elle a utilisé sa clé.

She used her key.

Il a laissé sa clé sur le bureau, comme à son habitude.

He left his key on the desk, as usual.

Marie cherche sa clé.

Marie is looking for her key.

Il ne se souvient plus où il a mis sa clé.

He doesn't remember where he put his key.

Elle ne se souvient plus où elle a mis sa clé.

She no longer remembers where she put her key.

Et sa clé ?

And its key?

— La dolce vita (1960)

Sa clé est dans la serrure !

His key is in the lock!

— A Pain in the Ass (1973)

Elle a perdu sa clé de voiture.

She lost her car key.

Et M. Harry Potter a-t-il sa clé ?

And does Mr. Harry Potter have his key?

— Harry Potter à l'école des sorciers (2001)

Tom ne se souvient plus où il a mis sa clé.

Tom no longer remembers where he put his key.

Dan ne savait pas où était sa clé de voiture.

Dan didn’t know where his car key was.

Je me demande où Tom a caché sa clé.

I wonder where Tom hid his key.