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

ByMichael Burns

Introduction to the verb désinfecter

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The English translation of the French verb désinfecter is “to disinfect.” It is pronounced “day-zehn-fehk-teh.”

Désinfecter comes from the Latin word “disinfectare” which means to purify or make free from infection. It is most often used in everyday French to refer to the act of cleaning or sterilizing something to remove germs or bacteria.

In the Subjonctif Plus-que-parfait tense, désinfecter is conjugated as “aie désinfecté” for the first and second person singular, “aies désinfecté” for the second person plural, and “ait désinfecté” for the third person singular and plural.

  1. Il fallait que j’aie désinfecté la plaie avant de mettre un pansement.
    Translation: I had to have disinfected the wound before putting on a bandage.

  2. Il était important que vous ayez désinfecté toutes les surfaces de la cuisine après avoir manipulé de la viande crue.
    Translation: It was important that you had disinfected all the surfaces in the kitchen after handling raw meat.

  3. Elle aurait aimé que nous ayons désinfecté les jouets avant de les donner aux enfants.
    Translation: She would have liked us to have disinfected the toys before giving them to the children.

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

Pronoun Conjugation Example Usage English Translation
je eusse désinfecté J’aurais aimé que je eusse désinfecté. I wish I had disinfected.
tu eusses désinfecté J’aurais aimé que tu eusses désinfecté. I wish you had disinfected.
il eût désinfecté J’aurais aimé qu’il eût désinfecté. I wish he had disinfected.
elle eût désinfecté J’aurais aimé qu’elle eût désinfecté. I wish she had disinfected.
on eût désinfecté J’aurais aimé qu’on eût désinfecté. I wish one had disinfected.
nous eussions désinfecté J’aurais aimé que nous eussions désinfecté. I wish we had disinfected.
vous eussiez désinfecté J’aurais aimé que vous eussiez désinfecté. I wish you had disinfected.
ils eussent désinfecté J’aurais aimé qu’ils eussent désinfecté. I wish they had disinfected.
elles eussent désinfecté J’aurais aimé qu’elles eussent désinfecté. I wish they had disinfected.

Other Conjugations for Désinfecter.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb désinfecter
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Désinfecter – 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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