Why Do Languages Need Time Expressions?
Every language needs a way to tell listeners when something happened. In English, you naturally say things like "yesterday," "last week," or "two days ago" without even thinking about it. French works the same way — it has its own set of past-time expressions (called expressions de temps passé) that situate events in the past. These expressions evolved over centuries alongside the French language itself, shaped by Latin roots and the cultural need to narrate history, personal stories, and daily life.
The core question this lesson addresses is straightforward: How do you tell someone in French exactly when something happened in the past? Verb conjugation alone tells the listener that an event already occurred, but time expressions add precision. They turn "I ate" into "I ate yesterday" or "I ate three weeks ago." Mastering these expressions is essential for clear, natural-sounding French.
Core Principles of Past-Time Expressions
Before diving into individual expressions, you need to understand a few foundational ideas about how French handles time. These principles will help you choose the right expression and place it correctly in a sentence, rather than just memorizing a vocabulary list.
Expressions Signal the Tense
Position Matters
Dernier vs. Passé
Il y a = Ago
Gender & Number Agreement
Mapping Past-Time Expressions on a Timeline
One of the best ways to understand past-time expressions is to see them laid out on a timeline. The diagram below shows the most common expressions arranged from the most distant past (on the left) to the most recent past (on the right), ending at aujourd'hui (today). Notice how each expression points to a specific window of time.
As you can see, each expression occupies its own spot on the timeline. The key insight is that these expressions are not interchangeable — each one points to a specific moment or window in the past. When you combine them with a correctly conjugated past-tense verb, your listener immediately understands both what happened and when it happened.
How Past-Time Expressions Work in Sentences
Now that you know which expressions exist, let's look at how they work inside a French sentence. There are three main patterns to master: standalone adverbs, adjective-based phrases, and the il y a construction.
Pattern 1 — Standalone Adverbs
Pattern 2 — Adjective-Based Phrases (dernier / passé)
Pattern 3 — Il y a + Time Span
Complete Classification of Past-Time Expressions
Let's organize every past-time expression you need at the French 2 level into a reference table. This table groups them by category, gives you the French expression, the English translation, and a sample sentence. You should aim to memorize these so you can use them fluently.
| Category | French Expression | English | Example Sentence |
|---|---|---|---|
| Day-level | hier | yesterday | Hier, j'ai lu un livre. |
| avant-hier | day before yesterday | Avant-hier, il a plu. | |
| hier matin / hier soir | yesterday morning / evening | Hier soir, nous avons dîné ensemble. | |
| Week-level | la semaine dernière | last week | La semaine dernière, elle a voyagé. |
| Month-level | le mois dernier | last month | Le mois dernier, j'ai commencé un cours. |
| Year-level | l'année dernière | last year | L'année dernière, nous avons déménagé. |
| "Ago" pattern | il y a + [time] | [time] ago | Il y a trois jours, j'ai perdu mes clés. |
| General past | autrefois / jadis | in the past / long ago | Autrefois, les gens voyageaient à cheval. |
| récemment | recently | Récemment, j'ai découvert un bon restaurant. |
Use this flowchart as a mental checklist when you're writing or speaking. First determine the time frame (a specific day, a broader period, or a measurable span of time), and then match it with the correct expression. Over time, this decision process will become automatic.
Worked Example — Writing a Short Paragraph About the Past
Let's walk through a realistic task. Imagine your French teacher asks you: "Raconte ce que tu as fait récemment." (Tell me what you did recently.) You need to write a short paragraph using at least three different past-time expressions. Here's how to approach it step by step.
French vs. English — Key Differences
One of the trickiest parts of learning French time expressions is resisting the urge to translate word-for-word from English. While many expressions map neatly between the two languages, several key differences can trip you up. The table below highlights the most important contrasts.
| Feature | English | French |
|---|---|---|
| Word order for "ago" | Time span + ago ("three days ago") | Il y a + time span ("il y a trois jours") |
| Gender agreement | Not applicable ("last week" = same regardless) | Adjective must match noun: dernière (f.) vs. dernier (m.) |
| "Day before yesterday" | No single word — uses a phrase | Single compound word: avant-hier |
| Sentence position | Very flexible (beginning, middle, end) | Usually at the beginning or end; rarely between auxiliary and past participle |
| "Last night" | "Last night" (uses 'last') | Hier soir (literally "yesterday evening"), NOT la nuit dernière |
Connecting to Advanced French — Imparfait and Literary Tenses
So far, we've mostly paired past-time expressions with the passé composé, which is used for completed actions. As you advance in French, you'll discover that some time expressions naturally pair with other tenses too. The imparfait (imperfect tense) is used for ongoing or habitual past actions, and certain expressions signal which tense to choose. Eventually in French 3 and AP French, you'll also encounter the passé simple, a literary past tense used in novels and formal writing.
| Expression Type | French 2 (Passé Composé) | Advanced (Imparfait / Passé Simple) |
|---|---|---|
| Specific point in time | Hier, j'ai mangé une pizza. | Still uses passé composé (or passé simple in literature) |
| Habitual / repeated past | (Not yet covered in detail) | Autrefois, je mangeais des céréales chaque matin. (imparfait) |
| Background description | (Not yet covered in detail) | Ce jour-là, il faisait beau. (imparfait) |
| Expressions that signal imparfait | — | d'habitude, tous les jours, chaque semaine, souvent |
For now, focus on mastering the passé composé with the expressions in this lesson. As you move forward, you'll learn that time expressions are one of the most reliable clues for choosing between the passé composé and the imparfait. Expressions pointing to a specific, completed moment (like hier or il y a trois jours) will keep using the passé composé, while expressions suggesting habits or ongoing states will call for the imparfait.
Practice Problems
Lesson Summary
French past-time expressions are essential tools for placing events on a timeline. The most common expressions include hier (yesterday), avant-hier (day before yesterday), la semaine dernière (last week), le mois dernier (last month), l'année dernière (last year), and the flexible il y a + time span construction (ago). Remember that adjective-based expressions require gender agreement with the noun they modify, and that il y a comes BEFORE the time span — the reverse of English "ago."
These expressions typically appear at the beginning or end of a sentence and pair most naturally with the passé composé for completed actions. As you advance, you'll discover that certain expressions like autrefois and d'habitude signal the imparfait instead. Mastering these expressions now will give you a strong foundation for telling stories, describing past experiences, and eventually choosing between French past tenses with confidence.