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

ByMichael Burns

Introduction to the verb dégazer

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The English translation of the French verb dégazer is “to degas” or “to release gas.” It is pronounced “day-gah-zay” in its infinitive form.

The word dégazer comes from the French prefix “dé-” which means “down” or “away” and the verb “gazer” which means “to gas.” It is most often used in everyday French in the Subjonctif Plus-que-parfait tense, which is a compound tense used to express a past action that would have happened if certain conditions had been met.

Here are three simple examples of its usage in the Subjonctif Plus-que-parfait tense:

  1. J’avais dégazé la bouteille avant de la jeter à la poubelle. (I had degassed the bottle before throwing it in the trash.)
  2. Si tu avais ouvert la fenêtre, j’aurais dégazé la pièce. (If you had opened the window, I would have degassed the room.)
  3. Elle aurait dégazé les légumes si elle avait eu le temps. (She would have degassed the vegetables if she had had time.)

In all of these examples, dégazer is used as the auxiliary verb in the Subjonctif Plus-que-parfait tense to indicate an action that would have happened in the past if certain conditions had been met.

Table of the Subjonctif Plus-que-parfait (Subjunctive Pluperfect) Tense Conjugation of dégazer

Pronoun Conjugation Example Usage English Translation
je eusse dégazé Il est possible que j’eusse dégazé. It is possible that I had degassed.
tu eusses dégazé Il est possible que tu eusses dégazé. It is possible that you had degassed.
il eût dégazé Il est possible que il eût dégazé. It is possible that he had degassed.
elle eût dégazé Il est possible que elle eût dégazé. It is possible that she had degassed.
on eût dégazé Il est possible que on eût dégazé. It is possible that one had degassed.
nous eussions dégazé Il est possible que nous eussions dégazé. It is possible that we had degassed.
vous eussiez dégazé Il est possible que vous eussiez dégazé. It is possible that you had degassed.
ils eussent dégazé Il est possible que ils eussent dégazé. It is possible that they had degassed.
elles eussent dégazé Il est possible que elles eussent dégazé. It is possible that they had degassed.

Other Conjugations for Dégazer.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb dégazer
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    L’infinitif Présent (Infinitive Present) Tense Conjugation of the French Verb dégazer
    (this article)

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Dégazer – About the French Subjonctif Plus-que-parfait (Subjunctive Pluperfect) Tense

The French Subjonctif Plus-que-parfait, also known as the Pluperfect Subjunctive, is a verb tense used to express actions or states that occurred before another action in the past, and it’s used in situations where the indicative mood is in the past subjunctive or conditional mood.
NOTE: To take a deep dive into all the French tenses then see my article on Mastering French Tense Conjugation.

Formation

To form the Subjonctif Plus-que-parfait, you start with the imperfect subjunctive form of the auxiliary verb “avoir” or “être,” followed by the past participle of the main verb. 
For “avoir” verbs: Take the imperfect subjunctive form of “avoir” (e.g., j’eusse, tu eusses, il/elle eût, nous eussions, vous eussiez, ils/elles eussent). Add the past participle of the main verb. 
For “être” verbs: Take the imperfect subjunctive form of “être” (e.g., je fusse, tu fusses, il/elle fût, nous fussions, vous fussiez, ils/elles fussent). Add the past participle of the main verb.

Common Everyday Usage Patterns

Hypothetical Situations

The Subjonctif Plus-que-parfait is often used to express hypothetical or unreal actions that occurred before another past action.
For example: J’aurais aimé que tu aies fini ton travail avant que je sois arrivé. (I would have liked for you to have finished your work before I arrived.) 

Reported Speech

In reported speech, you may use the Subjonctif Plus-que-parfait to convey what someone said or thought in the past. 
For example: Il m’a dit qu’il avait peur que je n’aie pas compris. (He told me that he was afraid that I hadn’t understood.) 

Doubt, Wishes, and Emotions

This tense can also be used to express doubt, wishes, and emotions about past actions. 
For example: Je doutais qu’il eût dit la vérité. (I doubted that he had told the truth.) 
J’aurais souhaité que tu fusses venu. (I would have wished for you to have come.)

Interactions with Other Tenses

Present Subjunctive

The Subjonctif Plus-que-parfait can be used to describe past actions when the main verb is in the present subjunctive. 
For example: “Il faut que j’aie fini mon travail avant que tu partes.” (I must have finished my work before you leave.) 

Imperfect Subjunctive

It’s common to use the Subjonctif Plus-que-parfait with the imperfect subjunctive in complex sentences. 
For example: “Il m’avait dit qu’il fût rentré avant la fin de la journée.” (He had told me that he had returned before the end of the day.) 

Conditional

When the main verb is in the conditional mood, the Subjonctif Plus-que-parfait can be used to express past unreal conditions. 
For example: “Si j’avais su, j’aurais voulu que tu aies réussi.” (If I had known, I would have wanted you to have succeeded.)

Summary

The Subjonctif Plus-que-parfait is a complex tense used to convey nuanced meanings in French. While its usage may seem intricate, it becomes more intuitive with practice and exposure to the language. It’s important to understand the context in which it’s used, as it often conveys subtleties of time, conditionality, and emotion in French sentences.

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