Bon or Bien: How to Choose Without Making Mistakes

Bon or Bien: How to Choose Without Making Mistakes

Published by Manon ·

“C’est bon” or “c’est bien”? “Je vais bon” or “je vais bien”? Here is the difference between bon and bien, with fixed expressions you need to know.
Contents
  1. Bon or Bien: How to Choose Without Making Mistakes
  2. The basic difference
  3. C’est bon
  4. C’est bien
  5. Fixed expressions
  6. Key takeaway
  7. Do you want to speak French with more confidence?

Bon or Bien: How to Choose Without Making Mistakes

Reading time: 8 minutes

 

🇫🇷 In short : “C’est bon” or “c’est bien”? “Je vais bon” or “je vais bien”? Here is the difference between bon and bien, with fixed expressions you need to know.

This difficulty is very common among French learners because the rule seems simple at first… then exceptions and natural usage appear in conversations.

📚 Need to practise grammar in context?

In the books Objectif : Parler Français, grammar is not presented as an isolated rule. It is linked to a real communication situation, with dialogues, audio, shadowing and speaking practice.

Discover the books

The basic difference

In general, bon is an adjective. It goes with a noun: un bon film, une bonne idée, un bon restaurant.

Bien is often an adverb. It goes with a verb: je vais bien, elle parle bien français.

Word Role Example
bon / bonne adjective C’est un bon livre.
bien adverb Tu parles bien français.

C’est bon

C’est bon can mean that something tastes good, that something is okay, or that it is done.

  • Ce gâteau est bon.
  • C’est bon pour moi, merci.
  • C’est bon, j’ai fini.
     

C’est bien

C’est bien often gives a positive, moral or general evaluation.

  • C’est bien de pratiquer tous les jours.
  • Ton idée est bien.
  • Ce film est bien, mais un peu long.
     

Fixed expressions

  • Je vais bien.
  • Très bien, merci.
  • Bon courage !
  • Bonne journée !
  • C’est une bonne idée.
  • Bien sûr.
     

Key takeaway

The right question is not only: “What is the rule?” The right question is: “In what situation do I want to use this sentence?” This is how grammar becomes useful for speaking.

Do you want to speak French with more confidence?

In Objectif : Parler Français, you practise grammar in concrete situations, so you can move from “I know the rule” to “I can use it when speaking”.

See the Objectif : Parler Français books

Prochaine étape

Tu veux arrêter de trop réfléchir et parler français avec confiance ?

Rejoins Ohlala French School pour pratiquer la grammaire dans de vraies conversations et la rendre automatique.

Commence ton essai gratuit de 7 jours
French books Keep speaking French after this article Continue with the Objectif Parler Français books: real dialogues, audio and exercises from A2 to C1. Discover the books