How do you Say something belongs to in french?

In French, you can use the following expressions to say that something belongs to someone or something:

1. À + definite article + noun: This expression is used for general, nonspecific possession, such as "The book belongs to the student".

- Ex: Le livre appartient à l'étudiant.

2. De + definite article + noun: This expression is used for specific possession, such as "The book of the student".

- Ex: Le livre de l'étudiant.

3. À + possessive adjective: This expression is used for specific, personal possession, such as "My book" or "Her pen".

- Ex: Mon livre, Son stylo.

Here are some additional examples:

- La maison est à mes parents. (The house belongs to my parents.)

- Les clés sont de la voiture. (The keys are for the car.)

- C'est mon ordinateur. (It's my computer.)

- C'est son livre. (It's her book.)

- Les enfants jouent à la balle. (The children are playing with the ball.)

Note that the definite articles (le, la, les) are used with "à" and "de" to agree with the gender and number of the noun.