French passé composé vs imparfait: background and events
French past narration often uses two tenses together: imparfaitimperfect (background) and passé composécompound past (events). Learners memorize forms quickly, then freeze when choosing between them. This lesson gives you a usable decision system: background vs event.
The core contrast
- Imparfait = what was going on (scene, atmosphere, ongoing state)
- Passé composé = what happened (completed actions that move things forward)
Il faisait nuit.
It was night.
Elle a ouvert la porte.
She opened the door.
Il faisait nuit quand elle a ouvert la porte.
It was night when she opened the door.
The setting stays in imparfaitimperfect; the action lands in passé composécompound past.
Quick form refresh
ImparfaitImperfect is one word: étaitwas, marchaitwas walking, brillaientwere shining.
Passé composéCompound past is usually avoirto have/êtreto be + past participle: a ouvertopened, est entréecame in, s’est retournéeturned around.
Forms matter, but this lesson is about choice. If you can label a verb “scene” or “event,” you already have the mental model.
Use imparfait for
Il pleuvait.
It was raining.
La rue était vide.
The street was empty.
Elle marchait lentement.
She was walking slowly.
Chaque soir, il lisait.
Every evening, he used to read.
La maison semblait calme.
The house seemed calm.
Elle avait peur.
She was afraid.
Use passé composé for
Il a frappé à la porte.
He knocked at the door.
Elle est entrée, elle a allumé la lampe, elle a attendu.
She came in, she turned on the lamp, she waited.
Soudain, un bruit a cassé le silence.
Suddenly, a noise broke the silence.
The classic combo pattern
Many past sentences follow this shape:
[imparfait background] + quand / soudain + [passé composé event]
Je lisais quand le téléphone a sonné.
I was reading when the phone rang.
Ils parlaient quand la lumière s’est éteinte.
They were talking when the light went out.
Elle regardait la rivière quand elle a entendu un pas.
She was looking at the river when she heard a step.
Signal words (helpful, not absolute)
- Often with imparfaitimperfect: pendant quewhile, chaque jourevery day, d’habitudeusually
- Often with passé composécompound past: soudainsuddenly, tout à coupall of a sudden, puisthen, ensuitenext, finalementfinally
Don’t worship signal words. Ask first: “Is this the backdrop, or the completed action?”
A short paragraph with both
La ville était silencieuse. Les lumières brillaient faiblement. Marie marchait près de la rivière quand elle a entendu un pas derrière elle. Elle s’est retournée. Puis une porte a claqué.
The town was silent. The lights were shining faintly. Marie was walking near the river when she heard a step behind her. She turned around. Then a door slammed.
- Description / ongoing: étaitwas, brillaientwere shining, marchaitwas walking → imparfait
- Events: a entenduheard, s’est retournéeturned around, a claquéslammed → passé composé
Same English idea, different French tense
English “was -ing” often maps to imparfaitimperfect, but not always. If the action is a finished plot point, French may prefer passé composécompound past. Always ask: background or event?
Common intermediate traps
- Putting every past sentence in passé composécompound past (no atmosphere)
- Using imparfaitimperfect for a clear finished event
- Translating English “was -ing” automatically as imparfaitimperfect even when the action is a completed plot point
Decision checklist
- Am I painting the scene? → imparfaitimperfect
- Am I reporting a completed action that changes things? → passé composécompound past
- Do I have both in one sentence? → scene in imparfaitimperfect + event in passé composécompound past
Mini practice
- Write 2 background sentences about last evening (weather, place, feeling) in imparfaitimperfect.
- Add 3 completed actions in passé composécompound past.
- Combine into one short paragraph using both tenses.
- Underline each verb and label B (background) or E (event).
- Rewrite one sentence using the quandwhen combo pattern.
If you can explain each choice in one word — scene or event — you already understand the heart of this contrast.