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

ByMichael Burns

Introduction to the verb dénaturaliser

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The English translation of dénaturaliser is “to denaturalize.” The infinitive form is pronounced as day-nah-tue-rah-lee-zay.

The language origin of dénaturaliser comes from the Old French word denaturer, which means “to deprive of natural qualities.” It is often used in everyday French in the Conditionnel Passé tense, which expresses a hypothetical or unreal situation in the past.

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

  1. Si j’avais dénaturalisé l’eau, elle serait devenue impropre à la consommation. (If I had denaturalized the water, it would have become unfit for consumption.)
  2. Tu aurais dénaturalisé le paysage en construisant un immeuble ici. (You would have denaturalized the landscape by building a building here.)
  3. Nous aurions dénaturalisé la forêt en y introduisant une espèce invasive. (We would have denaturalized the forest by introducing an invasive species.)

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

Pronoun Conjugation Example Usage English Translation
je aurais dénaturalisé Si j’avais pu, je t’aurais dénaturalisé. I would have denaturalized you if I could.
tu aurais dénaturalisé Tu aurais dénaturalisé le produit. You would have denaturalized the product.
il aurait dénaturalisé Il aurait dénaturalisé sa nationalité. He would have renounced his nationality.
elle aurait dénaturalisé Elle aurait dénaturalisé son mariage. She would have annulled her marriage.
on aurait dénaturalisé On aurait dénaturalisé le procès. One would have invalidated the trial.
nous aurions dénaturalisé Nous aurions dénaturalisé la loi. We would have denaturalized the law.
vous auriez dénaturalisé Vous auriez dénaturalisé votre citoyenneté. You would have renounced your citizenship.
ils auraient dénaturalisé Ils auraient dénaturalisé les droits de l’homme. They would have violated human rights.
elles auraient dénaturalisé Elles auraient dénaturalisé la culture. They (female) would have denaturalized the culture.

Other Conjugations for Dénaturaliser.

    

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb dénaturaliser
     

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


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Dénaturaliser – 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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