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

ByMichael Burns

Introduction to the verb déshydrogéner

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The English translation of the French verb déshydrogéner is “to dehydrogenate.” It is pronounced as “day-shy-droh-zhey-nay.”

The language origin of déshydrogéner comes from the combination of the prefix “dés-” meaning “to remove” and the word “hydrogène” meaning “hydrogen.” It is a relatively new term in the French language, with its first recorded usage in the early 20th century.

In everyday French, déshydrogéner is most often used in scientific or technical contexts to describe the process of removing hydrogen from a substance. It can also be used in a metaphorical sense to describe the removal or reduction of something.

Examples of déshydrogéner in the Plus-que-parfait tense:

  1. J’avais déshydrogéné le pétrole avant de l’utiliser comme carburant. (I had dehydrogenated the oil before using it as fuel.)

  2. Tu avais déshydrogéné l’alcool pour enlever son odeur. (You had dehydrogenated the alcohol to remove its smell.)

  3. Elle avait déshydrogéné le sucre pour en faire du caramel. (She had dehydrogenated the sugar to make caramel.)

  4. I had dehydrogenated the oil before using it as fuel.

  5. You had dehydrogenated the alcohol to remove its smell.

  6. She had dehydrogenated the sugar to make caramel.

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

Pronoun Conjugation Short Example English Translation
je j’avais déshydrogéné J’avais déshydrogéné le carburant. I had dehydrogenated the fuel.
tu tu avais déshydrogéné Tu avais déshydrogéné le gaz. You had dehydrogenated the gas.
il il avait déshydrogéné Il avait déshydrogéné le produit. He had dehydrogenated the product.
elle elle avait déshydrogéné Elle avait déshydrogéné le produit. She had dehydrogenated the product.
on on avait déshydrogéné On avait déshydrogéné le produit. One had dehydrogenated the product.
nous nous avions déshydrogéné Nous avions déshydrogéné le carburant. We had dehydrogenated the fuel.
vous vous aviez déshydrogéné Vous aviez déshydrogéné le produit. You had dehydrogenated the product.
ils ils avaient déshydrogéné Ils avaient déshydrogéné le carburant. They had dehydrogenated the fuel.
elles elles avaient déshydrogéné Elles avaient déshydrogéné le gaz. They had dehydrogenated the gas.

Other Conjugations for Déshydrogéner.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb déshydrogéner
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Déshydrogéner – 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 déshydrogéner. Still in a learning mood? Check out another TOTALLY random French verb conjugation!

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