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

ByMichael Burns

Introduction to the verb désinfecter

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The English translation of désinfecter is “to disinfect.” The infinitive form is pronounced as [day-zahn-fek-teh].

Désinfecter comes from the Latin words “dis” meaning “apart” and “inficere” meaning “to infect.” In everyday French, it is most often used to describe the action of eliminating germs and bacteria from a surface or object. In the Subjonctif Passé tense, it is used to express a hypothetical or uncertain action that has already been completed in the past.

1) Il faut que j’aie désinfecté ces plaies avant qu’elles ne s’infectent. (It was necessary for me to have disinfected these wounds before they got infected.)
2) J’espère que tu aies bien désinfecté la cuisine après la préparation du poulet cru. (I hope you have properly disinfected the kitchen after handling raw chicken.)
3) Je ne crois pas qu’il ait déjà désinfecté la salle de bains avant notre arrivée. (I don’t think he has already disinfected the bathroom before our arrival.)

Table of the Subjonctif Passé (Subjunctive Past) Tense Conjugation of désinfecter

Pronoun Conjugation Example Usage English Translation
je aie désinfecté Je doute que j’aie désinfecté. I doubt that I disinfected.
tu aies désinfecté Il faut que tu aies désinfecté. You must have disinfected.
il ait désinfecté Il est possible qu’il ait désinfecté. It’s possible he disinfected.
elle ait désinfecté Elle craint qu’elle ait désinfecté. She fears she disinfected.
on ait désinfecté On veut qu’on ait désinfecté. We want it to have been disinfected.
nous ayons désinfecté Espérons que nous ayons désinfecté. Let’s hope we disinfected.
vous ayez désinfecté Il est important que vous ayez désinfecté. It’s important that you disinfected.
ils aient désinfecté Ils doutent qu’ils aient désinfecté. They doubt they disinfected.
elles aient désinfecté Elles préfèrent qu’elles aient désinfecté. They prefer they 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     (this article)

    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

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

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Désinfecter – About the French Subjonctif Passé (Subjunctive Past) Tense

The French Subjonctif Passé is a verb tense used to express actions or states that are uncertain, hypothetical, or dependent on some condition in the past. It’s often used in conjunction with the main verb in the present or future tense to convey various nuances of doubt, desire, necessity, or emotion.

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

Formation of the Subjonctif Passé

To form the Subjonctif Passé, you generally need to start with the third person plural (ils/elles) form of the passé composé (a compound past tense). Then, drop the subject and replace it with the appropriate Subjonctif endings. The endings are the same for regular -er, -ir, and -re verbs:

   – For -er verbs: -e, -es, -e, -ions, -iez, -ent
   – For -ir verbs: -isse, -isses, -ît, -issions, -issiez, -issent
   – For -re verbs: -e, -es, -e, -ions, -iez, -ent

For example, if you have the verb “parler” (to speak) in the third person plural passé composé, which is “ils ont parlé” (they spoke), the Subjonctif Passé form would be “qu’ils aient parlé” (that they spoke).

Everyday Usage Patterns

The Subjonctif Passé is commonly used in various situations:

– Expressing doubt or uncertainty: It’s used when you’re not certain about the completion of an action in the past. For example, “Je doute qu’il ait mangé” (I doubt that he ate).

– Desires and preferences: When you want or wish for something to have happened in the past. For instance, “Je préfère que tu aies réussi” (I prefer that you have succeeded).

– Expressing emotions: To convey emotions or feelings related to past actions or events. For example, “Il est content que nous ayons gagné” (He is happy that we won).

– Hypothetical situations: When discussing hypothetical or unreal past situations. For example, “Si j’avais su, j’aurais souhaité qu’ils aient été là” (If I had known, I would have wished they had been there).

Interactions with Other Tenses

The Subjonctif Passé often interacts with other tenses to convey specific meanings:

Present tense

It’s commonly used after expressions of doubt, desire, necessity, or emotion in the present. For example, “Il faut que tu aies fini” (You must have finished).

Future tense

It’s used in the future for hypothetical or unreal actions in the past when the main clause is in the future. For example, “Je douterai qu’ils aient terminé demain” (I will doubt that they have finished tomorrow).

Conditional

When the main clause is in the conditional, the Subjonctif Passé can be used to express unreal or hypothetical actions in the past. For instance, “Il voudrait que nous ayons réussi” (He would like us to have succeeded).

Summary

The Subjonctif Passé is a versatile tense used in French to convey uncertainty, doubt, desire, or hypothetical situations related to past actions. It is used in various everyday contexts and interacts with other tenses to express specific nuances in the language.

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