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

ByMichael Burns

Introduction to the verb dépolymériser

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The English translation of the French verb dépolymériser is “depolymerize.” It is pronounced as “day-poh-lee-may-ree-zay.”

Dépolymériser comes from the French prefix “dé-” meaning “un-” or “de-” and the verb “polymériser” meaning “to polymerize.” The prefix “dé-” indicates the reversal or undoing of the action of the verb, so dépolymériser means “to depolymerize” or to break down a polymer into its individual components.

Dépolymériser is most often used in everyday French in the Plus-que-parfait tense, which corresponds to the past perfect tense in English. This tense is used to talk about an action that was completed in the past before another action took place. For example, “J’avais dépolymérisé le plastique avant de le recycler” translates to “I had depolymerized the plastic before recycling it.”

Examples:

  1. Nous avions dépolymérisé les fibres synthétiques avant de les réutiliser. (We had depolymerized the synthetic fibers before reusing them.)
  2. Tu avais dépolymérisé le caoutchouc pour en faire de nouveaux produits. (You had depolymerized the rubber to make new products.)
  3. Ils avaient dépolymérisé les déchets plastiques pour les transformer en matériaux biodégradables. (They had depolymerized plastic waste to turn it into biodegradable materials.)

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

Pronoun Conjugation Short Example English Translation
je j’avais dépolymérisé J’avais dépolymérisé le plastique. I had depolymerized the plastic.
tu tu avais dépolymérisé Tu avais dépolymérisé le matériau. You had depolymerized the material.
il il avait dépolymérisé Il avait dépolymérisé le produit chimique. He had depolymerized the chemical.
elle elle avait dépolymérisé Elle avait dépolymérisé le polymère. She had depolymerized the polymer.
on on avait dépolymérisé On avait dépolymérisé le caoutchouc. One had depolymerized the rubber.
nous nous avions dépolymérisé Nous avions dépolymérisé le composé. We had depolymerized the compound.
vous vous aviez dépolymérisé Vous aviez dépolymérisé le produit. You had depolymerized the product.
ils ils avaient dépolymérisé Ils avaient dépolymérisé le matériau. They had depolymerized the material.
elles elles avaient dépolymérisé Elles avaient dépolymérisé la résine. They had depolymerized the resin.

Other Conjugations for Dépolymériser.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb dépolymériser
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Dépolymériser – 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.

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