Uses of the subjunctive in French : complete course

What Is the Subjunctive in French?

The subjonctif (subjunctive) is a verb mood in French. Unlike the indicative, which describes facts and reality, the subjunctive expresses doubt, emotion, necessity, or subjectivity. It is one of the key features of intermediate and advanced French grammar.

In simple terms: when the speaker is not describing a certain fact, but rather a wish, a fear, or a requirement, the subjunctive is often required.

Simple Examples to Get Started

• Je veux que tu viennes. – I want you to come.
• Il faut que nous partions. – We need to leave.
• Elle est contente que tu sois là. – She is happy that you are here.

Notice that the subjunctive usually appears after que, and in a second clause with a different subject.

The Key Uses of the Subjunctive in French

The subjunctive is used in several specific situations. Here are the main ones you need to know.

1. After Expressions of Will or Desire

When you want or wish someone else to do something, you use the subjunctive. The key verbs here are vouloir que, souhaiter que, désirer que.

• Je veux que tu fasses tes devoirs. – I want you to do your homework.
• Elle souhaite qu’il réussisse. – She wishes he would succeed.

2. After Expressions of Emotion

When you express feelings like happiness, sadness, fear, or surprise about someone else’s actions, the subjunctive follows.

• Je suis heureux qu’elle puisse venir. – I am happy she can come.
• Il a peur que nous ne soyons pas prêts. – He is afraid we are not ready.

3. After Impersonal Expressions

Many impersonal constructions with il faut que, il est important que, or il est possible que trigger the subjunctive.

• Il faut que vous arriviez à l’heure. – You must arrive on time.
• Il est possible qu’il pleuve demain. – It is possible that it will rain tomorrow.

4. After Certain Conjunctions

Some conjunctions always require the subjunctive. The most common ones are listed below.

Why the Subjunctive Matters in French

Many learners ask: ‘Do I really need the subjunctive?’ The honest answer is yes — at least if you want to sound natural in French.

French speakers use the subjunctive every day in both spoken and written language. Avoiding it can make your French sound unnatural or even confusing. For example, skipping it in expressions like il faut que would simply be incorrect.

Understanding the subjunctive also helps you decode real French: books, movies, news articles, and conversations. It opens the door to a richer, more fluent level of expression.

Comparison with Other Languages

You may already know the subjunctive from another language. Here is how it compares across three languages:

If you speak Spanish, the French subjunctive will feel very familiar. If you are an English speaker, you may find it unusual at first, but it follows clear patterns once you know the triggers.

A Full Example in Context

Let’s look at a short dialogue that uses the subjunctive naturally:

• Marie: Il faut que tu parles au professeur avant qu’il ne parte. – You need to talk to the teacher before he leaves.
• Lucas: Je suis désolé qu’il n’y ait pas plus de temps. – I am sorry there is not more time.
• Marie: Bien que ce soit difficile, tu dois essayer. – Although it is difficult, you have to try.

Each sentence uses a different trigger for the subjunctive: necessity, emotion, and a concessive conjunction.

Key Takeaways

• The subjunctive is a mood, not a tense — it expresses subjectivity, not facts.
• It usually appears in a second clause introduced by que.
• The four main triggers are: will/desire, emotion, impersonal expressions, and specific conjunctions.
• Both clauses must have different subjects for the subjunctive to apply.
• It is used very frequently in everyday French — do not ignore it!

Sources

• Bescherelle, La Grammaire pour tous, Hatier, 2019.
• Grégoire, M. & Thiévenaz, O., Grammaire progressive du français, CLE International, 2012.
• Riegel, M., Pellat, J.-C. & Rioul, R., Grammaire méthodique du français, PUF, 2018.