imparfait — the unfinished past

one stem, one set of endings, one exceptionA2

In one line

Take the nous stem from the present and add fixed endings. There is exactly one exception in the whole language.

The table

How it is built — two steps

StepExample
1. Take the nous /nu/ form of the presentnous parlons /nu paʁ.lɔ̃/
nous finissons /nu fi.ni.sɔ̃/
nous buvons /nu by.vɔ̃/
2. Drop -ons and add the endingparl /paʁl/
finiss /fi.nis/
buv /byv/

The endings — for every verb in the language

jetuilnousvousils
-ais-ais-ait-ions-iez-aient
/ɛ//ɛ//ɛ//jɔ̃//je//ɛ/

Four of them sound identical — je parlais · tu parlais · il parlait · ils parlaient are all /paʁ.lɛ/.

A full example

parlerfinirboire
je /ʒə/parlais /paʁ.lɛ/finissais /fi.ni.sɛ/buvais /by.vɛ/
tu /ty/parlais /paʁ.lɛ/finissais /fi.ni.sɛ/buvais /by.vɛ/
il /il/parlait /paʁ.lɛ/finissait /fi.ni.sɛ/buvait /by.vɛ/
nous /nu/parlions /paʁ.ljɔ̃/finissions /fi.ni.sjɔ̃/buvions /by.vjɔ̃/
vous /vu/parliez /paʁ.lje/finissiez /fi.ni.sje/buviez /by.vje/
ils /il/parlaient /paʁ.lɛ/finissaient /fi.ni.sɛ/buvaient /by.vɛ/

When it is used

UseExamplePronunciation
describing the pastIl faisait froid. it was cold/il fə.zɛ fʁwa/
a habit in the pastJe parlais français chaque jour. I spoke French every day/ʒə paʁ.lɛ fʁɑ̃.sɛ ʃak ʒuʁ/
something in progressJe mangeais. I was eating/ʒə mɑ̃.ʒɛ/
age and state in the pastJ'avais vingt ans. I was twenty/ʒa.vɛ vɛ̃.tɑ̃/

English scatters this across three constructions. "I was eating", "I used to eat", and plain "I ate" when it means a habit — all three are imparfait. There is no separate French form for "used to": je mangeais carries it. If an English sentence would take "used to" or "was ‑ing", the French is almost certainly the imperfect.

Exceptions

ExceptionWhat happens
être /ɛtʁ/ is the only exceptionits stem is ét /e/, not from nous sommes /nu sɔm/: j'étais /ʒe.tɛ/
tu étais /ty e.tɛ/
il était /il e.tɛ/
nous étions /nu.z‿e.tjɔ̃/
vous étiez /vu.z‿e.tje/
ils étaient /ilz e.tɛ/
-ger keeps an e /ə/ — but not everywhereje mangeais /ʒə mɑ̃.ʒɛ/ and il mangeait /il mɑ̃.ʒɛ/ keep it, because the ending starts with a /a/. nous mangions /nu mɑ̃.ʒjɔ̃/ and vous mangiez /vu mɑ̃.ʒje/ do not — their ending starts with i /i/, which keeps the g /ʒe/ soft on its own
-cer takes a cedillanous commençons /nu kɔ.mɑ̃.sɔ̃/ → je commençais /ʒə kɔ.mɑ̃.sɛ/
-ier doubles the i /i/ in nous /nu//vous /vu/étudier /e.ty.dje/ → nous étudiions /nu.z‿e.ty.di.jɔ̃/

Examples

EnglishFrenchPronunciation
It was coldIl faisait froid./il fə.zɛ fʁwa/
I was twentyJ'avais vingt ans./ʒa.vɛ vɛ̃.tɑ̃/
I lived in CanadaJ'habitais au Canada./ʒa.bi.tɛ o ka.na.da/
We spoke French every dayNous parlions français chaque jour./nu paʁ.ljɔ̃ fʁɑ̃.sɛ ʃak ʒuʁ/
I was a childJ'étais enfant./ʒe.tɛ.zɑ̃.fɑ̃/
I was eatingJe mangeais./ʒə mɑ̃.ʒɛ/

Common mistakes

❌✅Why
je suis étaisj'étaisThe imperfect takes no auxiliary — it is one word
je étaisj'étaisje elides before a vowel
je mangaisje mangeaisg hardens before a, so the e protects it — but nous mangions does not need it, since i keeps g soft by itself
nous étudions (past)nous étudiionsstem étudi- + -ions = two is. It looks wrong and it is right
j'étais allé (meaning "I went")je suis alléThe imperfect is habit, not a finished event

Why it is so easy to build

one exception in the entire language

No other French tense is this regular.

TenseHow many exceptions
presentdozens
passé composé~30 irregular participles
imparfaitone — être

And you already know the stem, because it is the nous stem of the present. So if you know nous, the imperfect is free.

nous buvons /nu by.vɔ̃/→ je buvais /ʒə by.vɛ/
nous prenons /nu pʁə.nɔ̃/→ je prenais /ʒə pʁə.nɛ/
nous faisons /nu fə.zɔ̃/→ je faisais /ʒə fə.zɛ/
nous voulons /nu vu.lɔ̃/→ je voulais /ʒə vu.lɛ/

Even the most irregular verbs become regular in the imperfect.

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