Imparfait (Imperfect) 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.” The infinitive form, dépolymériser, is pronounced as “day-poh-lee-may-ree-zay.”

Dépolymériser is derived from the prefix “dé-” (meaning “un-” or “de-“) and the noun “polymère” (meaning “polymer”). It refers to the process of breaking down a polymer into its constituent monomers.

In everyday French, dépolymériser is less commonly used in the imparfait tense as it typically refers to a specific scientific or chemical process. However, in the imparfait tense, it would be conjugated as follows:

  • Je dépolymérisais (I was depolymerizing)
  • Tu dépolymérisais (You were depolymerizing)
  • Il/Elle dépolymérisait (He/She was depolymerizing)
  • Nous dépolymérisions (We were depolymerizing)
  • Vous dépolymérisiez (You were depolymerizing)
  • Ils/Elles dépolymérisaient (They were depolymerizing)

Examples of usage in the imparfait tense with their English translations:

  1. Je dépolymérisais le plastique pour obtenir les monomères nécessaires à la production de nouveaux matériaux. (I was depolymerizing the plastic to obtain the monomers needed for the production of new materials.)
  2. Nous dépolymérisions régulièrement les polymères synthétiques pour les recycler. (We used to depolymerize synthetic polymers regularly for recycling purposes.)
  3. Les scientifiques dépolymérisaient les déchets plastiques afin de réduire leur impact environnemental. (The scientists were depolymerizing plastic waste to reduce its environmental impact.)

Table of the Imparfait (Imperfect) Tense Conjugation of dépolymériser

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Other Conjugations for Dépolymériser.

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

Imparfait (Imperfect) Tense Conjugation of the French Verb dépolymériser (You’re reading it right now!)

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

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

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

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

L’impératif Passé (Imperative Past) Tense Conjugation of the French Verb dépolymériser

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

L’infinitif Passé (Infinitive Past) Tense Conjugation of the French Verb dépolymériser

Le Participe Présent (Present Participle) Tense Conjugation of the French Verb dépolymériser

Le Participe Passé (Past Participle) Tense Conjugation of the French Verb dépolymériser

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Dépolymériser – About the French Imparfait Tense

The French imparfait tense, often called the imperfect tense in English, is used to describe actions or states in the past. It’s primarily used to provide background information, set the scene, or describe habitual or ongoing actions in the past.

NOTE: To take a deep dive into all the French tenses then see our article on Mastering French Tense Conjugation.

Formation of the Imparfait Tense

To form the imparfait tense in French, you typically take the present tense nous form of the verb, drop the -ons ending, and add specific endings based on the verb group (regular -er, -ir, -re verbs) or use irregular forms for certain verbs.  

For regular -er verbs:

Take the infinitive form (e.g., parler, finir, rendre) Remove the -er ending Add the imparfait endings: -ais, -ais, -ait, -ions, -iez, -aient 

For regular -ir verbs

Take the infinitive form (e.g., choisir, grandir, finir) Remove the -ir ending Add the imparfait endings: -issais, -issais, -issait, -issions, -issiez, -issaient 

For regular -re verbs

Take the infinitive form (e.g., vendre, attendre, entendre) Remove the -re ending Add the imparfait endings: -ais, -ais, -ait, -ions, -iez, -aient

Common Everyday Usage Patterns

Description of Past Habits

The imparfait is often used to describe habitual actions or situations in the past. For example: “Quand j’étais enfant, je jouais au football tous les jours.” (When I was a child, I used to play football every day.) 

Background Information

It’s used to provide background information or set the stage for a main event in the past. For instance: “Il faisait beau ce jour-là.” (The weather was nice that day.) 

Mental and Emotional States

It’s employed to express emotions, thoughts, or physical sensations in the past. For example: “J’étais content quand il est arrivé.” (I was happy when he arrived.) 

Ongoing Actions

The imparfait describes actions that were in progress or happening when something else occurred in the past. For instance: “Je lisais un livre quand le téléphone a sonné.” (I was reading a book when the phone rang.)

Points to Note About the Imparfait Tense

Passé Composé vs. Imparfait

The imparfait and passé composé (a compound past tense) are often used together to express the completion of an action in the past (passé composé) and provide context or background (imparfait). For example: “Il regardait la télévision quand son ami est arrivé.” (He was watching TV when his friend arrived.) 

Conditional

The imparfait is used as the base for forming the conditional mood in French. For instance, “Je mangerais” (I would eat) is formed from “je mangeais” (I was eating). 

Si Clauses

In hypothetical or “if” clauses (si clauses), the imparfait is often used to express a condition in the past. For example: “Si j’avais de l’argent, j’achèterais une nouvelle voiture.” (If I had money, I would buy a new car.) 

Narration

In storytelling or writing, the imparfait is frequently used to set the scene and describe ongoing actions while the passé composé is used for specific events or actions that interrupted the ongoing ones.
Understanding the French imperfect tense is crucial for effective communication in French. Without it, your conversations will always live in the present!

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

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