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

Introduction to the verb désoxygéner

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The English translation of the French verb désoxygéner is “to deoxygenate.” The infinitive form, désoxygéner, is pronounced as “day-zoks-ee-zhay-nay.”

The word désoxygéner comes from the French prefix “dés” meaning “against” or “not” and the verb “oxygéner” meaning “to oxygenate.” It is most often used in scientific or technical contexts to refer to the process of removing oxygen from a substance or environment.

In everyday French, désoxygéner is most commonly used in the past tense, specifically in the Plus-que-parfait tense, which is the equivalent of the past perfect tense in English. This tense is used to express an action that was completed before another action in the past.

Here are three simple examples of désoxygéner in the Plus-que-parfait tense:

  1. Les scientifiques avaient désoxygéné l’eau avant de la verser dans le réservoir. (The scientists had deoxygenated the water before pouring it into the tank.)

  2. Quand j’ai ouvert le bocal, l’air était déjà désoxygéné. (When I opened the jar, the air had already been deoxygenated.)

  3. Avant de sceller la bouteille, il fallait désoxygéner son contenu pour le maintenir frais. (Before sealing the bottle, it was necessary to deoxygenate its contents to keep them fresh.)

Table of the Plus-que-parfait (Pluperfect) Tense Conjugation of désoxygéner

Pronoun Conjugation Short Example English Translation
je j’avais désoxygéné J’avais désoxygéné la pièce. I had deoxygenated the room.
tu tu avais désoxygéné Tu avais désoxygéné l’eau. You had deoxygenated the water.
il il avait désoxygéné Il avait désoxygéné le sang. He had deoxygenated the blood.
elle elle avait désoxygéné Elle avait désoxygéné le milieu. She had deoxygenated the environment.
on on avait désoxygéné On avait désoxygéné l’air. One had deoxygenated the air.
nous nous avions désoxygéné Nous avions désoxygéné la solution. We had deoxygenated the solution.
vous vous aviez désoxygéné Vous aviez désoxygéné l’alcool. You had deoxygenated the alcohol.
ils ils avaient désoxygéné Ils avaient désoxygéné l’atmosphère. They had deoxygenated the atmosphere.
elles elles avaient désoxygéné Elles avaient désoxygéné le lac. They had deoxygenated the lake.

Other Conjugations for Désoxygéner.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb désoxygéner
   

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

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

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

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

    Plus-que-parfait (Pluperfect) Tense Conjugation of the French Verb désoxygéner     (this article)

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

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

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

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

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

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

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

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

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

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

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Désoxygéner – About the French Plus-que-parfait (Pluperfect) Tense

The French “plus-que-parfait” tense is a past tense used to express actions or events that occurred before another past action or event. It is often translated to English as the “pluperfect” tense. The name “plus-que-parfait” literally means “more than perfect,” indicating that it is a tense used to describe actions that were completed before a specific point in the past.
NOTE: To take a deep dive into all the French tenses then see my article on Mastering French Tense Conjugation.

Tense Formation

To form the plus-que-parfait tense, you typically use the auxiliary verb “avoir” (to have) or “être” (to be) in the imperfect tense, followed by the past participle of the main verb. Here are the conjugations for both auxiliary verbs:
1. With “avoir” as the auxiliary verb:
   – J’avais mangé (I had eaten)
   – Tu avais parlé (You had spoken)
   – Il/elle/on avait fini (He/She/One had finished)
   – Nous avions lu (We had read)
   – Vous aviez choisi (You had chosen)
   – Ils/elles avaient joué (They had played)
2. With “être” as the auxiliary verb (usually for intransitive verbs or verbs indicating a state):
   – J’étais parti(e) (I had left)
   – Tu étais arrivé(e) (You had arrived)
   – Il/elle/on était tombé(e) (He/She/One had fallen)
   – Nous étions resté(e)s (We had stayed)
   – Vous étiez né(e)(s) (You had been born)
   – Ils/elles étaient monté(e)s (They had gone up)

Common everyday usage patterns

Sequencing of past events

The plus-que-parfait is used to express a past action that happened before another past action. For example, “J’avais mangé avant qu’il ne soit arrivé” (I had eaten before he arrived).

Background information

It is also used to provide background information or set the stage for a main past event. For instance, “Quand je suis arrivé, ils avaient déjà fini de manger” (When I arrived, they had already finished eating).

Hypothetical or reported speech

In indirect speech, the plus-que-parfait is used to report what someone had said or thought in the past. For example, “Il avait dit qu’il viendrait demain” (He had said that he would come tomorrow).

Interactions with other tenses

– The plus-que-parfait is often used in conjunction with the passé composé (simple past) to establish the sequence of past events. The passé composé describes the more recent action, while the plus-que-parfait describes the action that occurred earlier.
– It can also be used with the conditional mood to express a hypothetical past event, like “Si j’avais su, j’aurais agi différemment” (If I had known, I would have acted differently).
– When used in reported speech, it can be combined with the conditional mood or the imperfect subjunctive to reflect the original mood and tense of the reported statement.

Summary

The French plus-que-parfait tense is an essential part of the language for expressing past actions that occurred before other past actions, providing background information, and reporting past statements or thoughts. It is an integral component of constructing complex and accurate narratives in French.

I hope you enjoyed this article on the verb désoxygéner. Still in a learning mood? Check out another TOTALLY random French verb conjugation!

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