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

ByMichael Burns

Introduction to the verb dépentaniser

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The English translation of the French verb dépentaniser is “to depentanize.” It is pronounced as “day-pon-ta-nee-zay.”

The verb dépentaniser is derived from the French word “pentane”, which is a type of hydrocarbon with five carbon atoms. The prefix “de-” means “to remove” and “iser” is a verb-forming suffix, thus dépentaniser literally means “to remove pentane.” This verb is most often used in the context of chemistry and refers to a process of separating pentane from other hydrocarbons.

In everyday French, dépentaniser is most often used in the Plus-que-parfait tense, which is the past perfect tense in English. This tense is used to describe an action that was completed before another action in the past.

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

  1. J’avais dépentanisé le mélange avant de le mettre dans le réacteur. (I had depentanized the mixture before putting it in the reactor.)
  2. Tu avais dépentanisé le pétrole brut pour en extraire le pentane. (You had depentanized the crude oil to extract the pentane.)
  3. Ils avaient dépentanisé le gaz de schiste pour le rendre plus pur. (They had depentanized the shale gas to make it purer.)

In these examples, dépentaniser is used in the past perfect tense to indicate that the action of removing pentane had already been completed before another action took place. The English translations also use the past perfect tense to convey this meaning.

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

Pronoun Conjugation Short Example English Translation
je j’avais dépentanisé J’avais dépentanisé la machine. I had depentanized the machine.
tu tu avais dépentanisé Tu avais dépentanisé l’appareil. You had depentanized the device.
il il avait dépentanisé Il avait dépentanisé le système. He had depentanized the system.
elle elle avait dépentanisé Elle avait dépentanisé le moteur. She had depentanized the engine.
on on avait dépentanisé On avait dépentanisé le réservoir. One had depentanized the tank.
nous nous avions dépentanisé Nous avions dépentanisé l’usine. We had depentanized the factory.
vous vous aviez dépentanisé Vous aviez dépentanisé l’installation. You had depentanized the facility.
ils ils avaient dépentanisé Ils avaient dépentanisé le pipeline. They had depentanized the pipeline.
elles elles avaient dépentanisé Elles avaient dépentanisé la centrale. They had depentanized the power plant.

Other Conjugations for Dépentaniser.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb dépentaniser
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Struggling with French verbs or the language in general? Why not use our free French Grammar Checker – no registration required!
   

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

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