FRENCH VERB REFERENCE

ruiner

to ruin

-er verbRegular in these six tenses

Conjugations

All six tenses and their examples are shown below. Use the links above to jump to a tense. English translations use the meaning “to ruin.”

Present Présent

Habits, current states, and actions happening now.

ruiner: Present, with English translations
SubjectFrenchEnglishListen
je / j’ruineI ruin
turuinesyou ruin
il / elle / onruinehe / she / it ruinson: we ruin / one ruins
nousruinonswe ruin
vousruinezyou ruin
ils / ellesruinentthey ruin

IN A SENTENCEPresent example

L'incendie ruine les récoltes.

The fire ruins the crops.

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Passé composé

Completed past events, using avoir or être plus a past participle.

ruiner: Passé composé, with English translations
SubjectFrenchEnglishListen
je / j’ai ruinéI ruined
tuas ruinéyou ruined
il / elle / ona ruinéhe / she / it ruinedon: we ruined / one ruined
nousavons ruinéwe ruined
vousavez ruinéyou ruined
ils / ellesont ruinéthey ruined

IN A SENTENCEPassé composé example

Hier, l'incendie a ruiné les récoltes.

Yesterday, the fire ruined the crops.

The passé composé uses avoir. The table shows the unmarked participle; agreement with a preceding direct object is outside this reference.

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Imperfect Imparfait

Past habits, descriptions, and actions in progress.

ruiner: Imperfect, with English translations
SubjectFrenchEnglishListen
je / j’ruinaisI used to ruin
turuinaisyou used to ruin
il / elle / onruinaithe / she / it used to ruinon: we used to ruin / one used to ruin
nousruinionswe used to ruin
vousruiniezyou used to ruin
ils / ellesruinaientthey used to ruin

IN A SENTENCEImperfect example

Autrefois, l'incendie ruinait les récoltes.

Back then, the fire used to ruin the crops.

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Future Futur simple

Future events and predictions.

ruiner: Future, with English translations
SubjectFrenchEnglishListen
je / j’ruineraiI will ruin
turuinerasyou will ruin
il / elle / onruinerahe / she / it will ruinon: we will ruin / one will ruin
nousruineronswe will ruin
vousruinerezyou will ruin
ils / ellesruinerontthey will ruin

IN A SENTENCEFuture example

Plus tard, l'incendie ruinera les récoltes.

Later, the fire will ruin the crops.

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Conditional Conditionnel présent

Hypothetical events and polite requests.

ruiner: Conditional, with English translations
SubjectFrenchEnglishListen
je / j’ruineraisI would ruin
turuineraisyou would ruin
il / elle / onruineraithe / she / it would ruinon: we would ruin / one would ruin
nousruinerionswe would ruin
vousruineriezyou would ruin
ils / ellesruineraientthey would ruin

IN A SENTENCEConditional example

L'incendie ruinerait les récoltes.

The fire would ruin the crops.

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Present subjunctive Subjonctif présent

Dependent clauses expressing wishes, necessity, doubt, and certain feelings.

ruiner: Present subjunctive, with English translations
SubjectFrenchEnglishListen
je / j’ruine(that) I ruin
turuines(that) you ruin
il / elle / onruine(that) he / she / it ruinson: (that) we ruin / one ruins
nousruinions(that) we ruin
vousruiniez(that) you ruin
ils / ellesruinent(that) they ruin

IN A SENTENCEPresent subjunctive example

Il est possible que l'incendie ruine les récoltes.

It is possible that the fire ruins the crops.

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French forms omit the subject. Use j’ before a vowel sound. Vous is polite singular or plural “you”; on often means “we,” or the general “one.” English wording depends on the context: passé composé can also use “have,” and the imperfect can describe an ongoing action. Subjunctive translations here follow “it is possible that.”

Meaning & usage

  • to ruin
  • to raze to the ground, to destroy, to wreck
  • to shatter (hope), to ruin (reputation)

English glosses are a starting point. The meaning of a verb can change with context, a preposition, or se. Read the full dictionary entry ↗

Meanings and simple conjugation forms adapted from English Wiktionary contributors via Kaikki.org / Wiktextract. Passé composé forms combine the source auxiliary and past participle. Frequency scores from wordfreq 3.1.1 by Robyn Speer and contributors. Adapted data is available under CC BY-SA 4.0. Entry source · Sources, download & limitations

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