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

ByMichael Burns

Introduction to the verb fiabiliser

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The English translation of the French verb fiabiliser is “to make reliable.” It is pronounced as “fee-ah-bee-lee-zay” in the infinitive form.

The verb fiabiliser is derived from the word “fiabilité” which means reliability. It is a compound word formed from the prefix “fi-” meaning “trust” and the word “abilité” meaning “ability.” It is most often used in everyday French to describe the act of making something or someone reliable or trustworthy.

In the Subjonctif Plus-que-parfait tense, fiabiliser is used to express a past action or event that is uncertain or hypothetical. It is often used in conjunction with expressions such as “il est possible que” (it is possible that) or “peut-être que” (perhaps).

Here are three simple examples of its usage in this tense, with their respective English translations:

  1. Il est possible que j’aie fiabilisé cette machine avant de la mettre en service. (It is possible that I made this machine reliable before putting it into service.)

  2. Peut-être que nous aurions dû fiabiliser nos sources avant de publier l’article. (Perhaps we should have made our sources reliable before publishing the article.)

  3. Il se peut que la compagnie ait fiabilisé ses produits pour attirer plus de clients. (It is possible that the company made its products reliable to attract more customers.)

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

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

Other Conjugations for Fiabiliser.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb fiabiliser
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Fiabiliser – 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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