Les propositions relatives en français : cours complet

What Is a Relative Clause in French?

A relative clause (une proposition relative) is a group of words that gives more information about a noun. It works like a mini-sentence inside a bigger sentence. In French, relative clauses are introduced by special words called relative pronouns, such as qui, que, où, and dont.

For example, instead of saying two short sentences, you can combine them into one elegant sentence using a relative clause. This makes your French sound much more natural and fluent.

Simple Examples to Get Started

• C’est la femme qui parle français. → That is the woman who speaks French.
• Le livre que je lis est intéressant. → The book that I am reading is interesting.
• C’est la ville où je suis né. → It is the city where I was born.
• L’ami dont je te parle est très sympa. → The friend I am telling you about is very nice.

The Key Elements of Relative Clauses in French

To use relative clauses correctly, you need to understand each relative pronoun and when to use it. Let us look at the main ones.

Qui — The Subject Pronoun

Qui replaces a noun that is the subject of the relative clause. It refers to people or things.

• Le chien qui court est à moi. → The dog that is running is mine.
• La professeure qui enseigne ici est brillante. → The teacher who teaches here is brilliant.

Remember: after qui, the verb agrees with the noun it replaces.

Que — The Object Pronoun

Que (or qu’ before a vowel) replaces a noun that is the direct object of the relative clause.

• Le film que j’ai regardé était super. → The film that I watched was great.
• La chanson qu’elle chante est belle. → The song that she is singing is beautiful.

After que, the subject of the clause always comes right away. This is the opposite order from qui.

Où — Place and Time

Où is used to refer to a place or a moment in time. It is simple and very common in everyday French.

• La maison où j’habite est grande. → The house where I live is big.
• Le jour où il est arrivé, tout a changé. → The day when he arrived, everything changed.

Dont — The Pronoun for ‘de’

Dont is used when the verb or expression in the relative clause requires the preposition de. This includes verbs like parler de, avoir besoin de, or être fier de.

• Le projet dont il est fier est terminé. → The project he is proud of is finished.
• C’est le médicament dont j’ai besoin. → It is the medicine I need.

Why Relative Clauses Matter in French

Relative clauses are everywhere in French. You will hear them in conversations, read them in articles, and need them to express complex ideas. Without them, your sentences stay very short and basic.

Using relative clauses correctly shows that you can link ideas together. It makes your speech and writing more precise, more natural, and more impressive. Mastering them is a real step forward in your French journey.

Comparison with Other Languages

If you already speak English or Spanish, you will find some similarities — but also some important differences.

One key difference: in English, you can drop the relative pronoun (‘the book I read’). In French, you can never omit it. Always include que or qui.

A Complete Example

Let us build a full paragraph using different relative clauses:

J’ai un ami qui habite à Paris. C’est une ville où il y a beaucoup de musées. Il travaille dans une entreprise dont il est très fier. Le projet qu’il dirige en ce moment est très ambitieux.

Translation: ‘I have a friend who lives in Paris. It is a city where there are many museums. He works in a company he is very proud of. The project he is currently leading is very ambitious.’

Notice how each relative pronoun connects the clauses smoothly and naturally.

Key Takeaways

• Qui is used for the subject of the relative clause (person or thing).
• Que is used for the direct object of the relative clause.
• Où is used for places and moments in time.
• Dont is used when the verb needs the preposition de.
• In French, the relative pronoun is always required — never omit it.
• Relative clauses help you speak and write more naturally in French.

Sources

• Grevisse, M. & Goosse, A. (2011). Le Bon Usage. De Boeck Supérieur. — The reference grammar of the French language.
• Bescherelle. (2012). La Grammaire pour tous. Hatier. — A practical and accessible French grammar guide.
• Riegel, M., Pellat, J.-C., & Rioul, R. (2009). Grammaire méthodique du français. Presses Universitaires de France. — A comprehensive academic reference on French grammar.