French phrase
J'ai oublié ~ ici.
Meaning
I forgot ___ here.
When to use it
A brief report that an item was left here by mistake. It is neutral and can be used in casual or polite situations.
Example dialogue
J'ai oublié mon portefeuille ici.
I forgot my wallet here.
Je peux le mettre au bureau des objets trouvés.
I can leave it at the lost and found.