Conditionnel Passé (Conditional Past) Tense Conjugation of the French Verb détréper

ByMichael Burns

Introduction to the verb détréper

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The English translation of the French verb détréper is “to deteriorate” or “to decay.” It is pronounced as “day-tray-pay.”

The word détréper originated from the Latin word “deteriorare” meaning “to make worse.” It entered the French language in the 14th century and has been used to describe the gradual decline or deterioration of something.

In everyday French, détréper is most often used in the Conditionnel Passé tense, which expresses a hypothetical action or situation in the past. It is formed by using the conditional form of the auxiliary verb “avoir” (aurais, aurais, aurait, aurions, auriez, auraient) followed by the past participle of détréper (détrépé).

Here are three examples of détréper in the Conditionnel Passé tense with their English translations:

  1. Si j’avais laissé la voiture dehors toute la nuit, elle se serait détrépée. (If I had left the car outside all night, it would have deteriorated.)
  2. Nous aurions dû entretenir la maison, elle ne se serait pas autant détrépée. (We should have maintained the house, it wouldn’t have deteriorated as much.)
  3. Si vous n’aviez pas pris soin de vos chaussures, elles se seraient détrépées en peu de temps. (If you hadn’t taken care of your shoes, they would have deteriorated quickly.)

Table of the Conditionnel Passé (Conditional Past) Tense Conjugation of détréper

Pronoun Conjugation Example Usage English Translation
je aurais détrépé Si j’avais su, je t’aurais détrépé. I would have destroyed you.
tu aurais détrépé Tu aurais détrépé plus tôt. You would have destroyed earlier.
il aurait détrépé Il aurait détrépé la maison. He would have destroyed the house.
elle aurait détrépé Elle aurait détrépé la voiture. She would have destroyed the car.
on aurait détrépé On aurait détrépé tout le quartier. One would have destroyed the whole neighborhood.
nous aurions détrépé Nous aurions détrépé le monde. We would have destroyed the world.
vous auriez détrépé Vous auriez détrépé avec eux. You would have destroyed with them.
ils auraient détrépé Ils auraient détrépé les documents. They would have destroyed the documents.
elles auraient détrépé Elles auraient détrépé les preuves. They (female) would have destroyed the evidence.

Other Conjugations for Détréper.

    

    Le Present (Present Tense) Conjugation of the French Verb détréper
     

    Imparfait (Imperfect) Tense Conjugation of the French Verb détréper
     

    Passé Simple (Simple Past) Tense Conjugation of the French Verb détréper
     

    Passé Composé (Present Perfect) Tense Conjugation of the French Verb détréper
     

    Futur Simple (Simple Future) Tense Conjugation of the French Verb détréper
     

    Futur Proche (Near Future) Tense Conjugation of the French Verb détréper
     

    Plus-que-parfait (Pluperfect) Tense Conjugation of the French Verb détréper
     

    Passé Antérieur (Past Anterior) Tense Conjugation of the French Verb détréper

    Futur Antérieur (Future Anterior) Tense Conjugation of the French Verb détréper

    Subjonctif Présent (Subjunctive Present) Tense Conjugation of the French Verb détréper

    Subjonctif Passé (Subjunctive Past) Tense Conjugation of the French Verb détréper
     

    Subjonctif Imparfait (Subjunctive Imperfect) Tense Conjugation of the French Verb détréper

    Subjonctif Plus-que-parfait (Subjunctive Pluperfect) Tense Conjugation of the French Verb détréper
     

    Conditionnel Présent (Conditional Present) Tense Conjugation of the French Verb détréper
     

    Conditionnel Passé (Conditional Past) Tense Conjugation of the French Verb détréper  (this article)

    L’impératif Présent (Imperative Present) Tense Conjugation of the French Verb détréper

    L’infinitif Présent (Infinitive Present) Tense Conjugation of the French Verb détréper


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Détréper – About the French Conditionnel Passé (Conditional Past) Tense

The French “Conditionnel Passé” is a compound tense used to express hypothetical or unreal actions in the past. It is formed by combining the conditional of the auxiliary verb “avoir” or “être” and the past participle of the main verb.

NOTE: To take a deep dive into all the French tenses then see my article on Mastering French Tense Conjugation.

Formation

Start with the conditional of the auxiliary verb: For most verbs, use “aurais” (for “avoir”) or “serais” (for “être”) as the conditional form. 

With “avoir”: j’aurais, tu aurais, il/elle/on aurait, nous aurions, vous auriez, ils/elles auraient. 
With “être”: je serais, tu serais, il/elle/on serait, nous serions, vous seriez, ils/elles seraient. 

Add the past participle of the main verb to this conditional form. 
For example, if you want to say “I would have done,” you would use “j’aurais fait.” If you want to say “She would have gone,” you would use “elle serait allée.”

Common Everyday Usage Patterns

Expressing Unreal Past Scenarios

The Conditionnel Passé is often used to talk about actions that did not happen in the past, but you are speculating about what would have occurred if they had. It’s a way to discuss hypothetical situations in the past. 

Si j’avais su, je t’aurais aidé. (If I had known, I would have helped you.)
Il serait venu s’il avait eu le temps. (He would have come if he had had the time.) 

Polite Requests or Suggestions

It can be used to make polite requests or suggestions in the past. 

Pourriez-vous m’aider, s’il vous plaît ? (Could you have helped me, please?) 

Expressing Doubt or Uncertainty

It can convey doubt or uncertainty regarding past events.

Il aurait peut-être oublié notre rendez-vous. (He might have forgotten our appointment.)

Interactions with Other Tenses

Conditional Present

You can use the Conditionnel Passé in combination with the conditional present to describe past actions that were hypothetical at the time they were spoken about. J’aurais aimé que tu m’appelles hier. (I would have liked you to call me yesterday.) 

Indicative Past Tenses

You might use the Conditionnel Passé alongside indicative past tenses like the passé composé to contrast hypothetical and real past events. Il est venu hier, mais s’il avait pu, il serait venu la semaine dernière. (He came yesterday, but if he could have, he would have come last week.) 

Conditional Future

In some cases, you can use the Conditionnel Passé in combination with the conditional future to discuss unreal past events that could have consequences in the future. Si j’avais réussi mon examen, j’aurais un meilleur travail. (If I had passed my exam, I would have a better job.)

Summary

In summary, the Conditionnel Passé is used to express hypothetical or unreal actions in the past. It is often used in conjunction with other tenses to convey various nuances in French, allowing speakers to discuss imaginary past scenarios, make polite requests, or express doubt about past events.

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