Telling a story in French requires more than just knowing past tense verbs. It's about choosing the right past tense. Think of yourself as a movie director. You need to set the scene and also show the action. French gives you two main tools for this: the imparfait and the passé composé.

The imparfait describes the world of your story. It's for background details, ongoing states, and habitual actions. What was the weather like? What were people doing in general? What did you used to do every Tuesday?

• Descriptions: Il faisait beau. (The weather was nice.)
• Ongoing States: J'avais faim. (I was hungry.)
• Habits: Nous allions au parc tous les dimanches. (We used to go to the park every Sunday.)

The passé composé, on the other hand, is for the plot. It highlights specific, completed actions that move the story forward. What happened next? What was the result?

• Specific Event: Soudain, j'ai vu un ami. (Suddenly, I saw a friend.)
• Completed Action: Il a fini son travail. (He finished his work.)

You already know how to form the passé composé using an auxiliary verb (avoir or être) and a past participle. Its job is to pinpoint distinct moments in time. It answers the question, "What happened?"

While most verbs use avoir, a special group of verbs, often called 'les verbes de mouvement', uses être. These verbs usually describe a change of state or location, like going from one point to another.

Remember that when using être, the past participle must agree in gender and number with the subject. For example: Elle est allée. (She went.) Ils sont venus. (They came.)

Let's put it all together. Imagine you're recounting a memory.

Imparfait sets the scene: C'était un samedi. Le soleil brillait et les oiseaux chantaient. Je me promenais dans la rue. (It was a Saturday. The sun was shining and the birds were singing. I was walking down the street.)

Notice the ongoing nature of these descriptions. Nothing has happened yet; this is just the backdrop. Now, let's add the action with passé composé:

Soudain, j'ai vu mon ami Paul. Il a traversé la rue et il m'a dit bonjour. (Suddenly, I saw my friend Paul. He crossed the street and said hello to me.)

These are the key events of the story. They are specific, completed actions that interrupt the background scene.

Here's a nuance of the passé composé that often trips up learners. When you use avoir as the auxiliary, the past participle usually doesn't change. However, it must agree with the direct object if that object comes before the verb.

This happens most often with direct object pronouns like me, te, le, la, nous, vous, les.

Compare these two sentences:

• J'ai acheté la voiture. (I bought the car.) No agreement. The direct object, la voiture, comes after the verb.
• La voiture que j'ai achetée. (The car that I bought.) Here, the direct object comes first in the relative clause. La voiture is feminine, so acheté becomes achetée.

Let's look at it with a pronoun:

• J'ai vu les fleurs. (I saw the flowers.)
• Je les ai vues. (I saw them.) The pronoun les refers to the feminine plural fleurs and comes before the verb, so the participle agrees: vues.

Ready to test your understanding of these two tenses?

Choosing between these tenses becomes more natural with practice. Listen for them in French movies and stories, and pay attention to how they work together to create a full picture of the past.