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

ByMichael Burns

Introduction to the verb dépolluer

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The English translation of the French verb dépolluer is “to clean up” or “to decontaminate.” The infinitive form is pronounced “day-poh-lwuh.”

Dépolluer comes from the combination of the prefix “dé-” which means “to remove” and the verb “polluer” which means “to pollute.” It is most often used in everyday French in the Conditionnel Passé tense, which is formed by using the conditional tense of the auxiliary verb “avoir” or “être” followed by the past participle of dépolluer.

Examples in the Conditionnel Passé tense:

  1. Si j’avais eu les moyens, j’aurais dépollué cette rivière. (If I had had the means, I would have cleaned up this river.)
  2. Nous serions arrivés plus tôt si nous avions dépollué le trafic. (We would have arrived earlier if we had decontaminated the traffic.)
  3. Si vous aviez dépollué le sol, les plantes auraient pu pousser. (If you had cleaned up the soil, the plants could have grown.)

Overall, dépolluer is a commonly used verb in French, especially in cases of environmental protection and cleaning up pollution.

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

Pronoun Conjugation Example Usage English Translation
je aurais dépollué Si j’avais eu le temps, j’aurais dépollué la rivière. If I had had the time, I would have cleaned the river.
tu aurais dépollué Tu aurais dépollué la plage avec moi. You would have cleaned the beach with me.
il aurait dépollué Il aurait dépollué la ville. He would have cleaned the city.
elle aurait dépollué Elle aurait dépollué l’océan. She would have cleaned the ocean.
on aurait dépollué On aurait dépollué l’air. One would have cleaned the air.
nous aurions dépollué Nous aurions dépollué les rivières. We would have cleaned the rivers.
vous auriez dépollué Vous auriez dépollué les forêts. You would have cleaned the forests.
ils auraient dépollué Ils auraient dépollué le lac. They would have cleaned the lake.
elles auraient dépollué Elles auraient dépollué la montagne. They (female) would have cleaned the mountain.

Other Conjugations for Dépolluer.

    

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb dépolluer
     

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


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Dépolluer – 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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