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

ByMichael Burns

Introduction to the verb corroder

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The English translation of the French verb corroder is “to corrode” or “to eat away at.” It is pronounced as “koh-roh-deh” in its infinitive form.

The word “corroder” comes from the Latin word “corrodere,” which means “to gnaw at” or “to eat away.” It entered French in the 15th century and has been used to describe the gradual wearing away or destruction of a material through chemical or physical means.

In everyday French, “corroder” is most often used in the Subjonctif Plus-que-parfait tense to express a past hypothetical action that did not occur. This tense is formed by using the auxiliary verb “avoir” or “être” in the Plus-que-parfait tense followed by the past participle of “corroder.”

Three examples of “corroder” in the Subjonctif Plus-que-parfait tense are:

  1. J’aurais aimé que le temps n’ait pas corrodé notre amitié. (I wish time had not corroded our friendship.)
  2. Si tu avais suivi mes conseils, tu n’aurais pas abandonné ton projet et il ne serait pas corrodé aujourd’hui. (If you had followed my advice, you would not have given up on your project and it would not be corroded today.)
  3. Il est regrettable que le manque de maintenance ait corrodé les structures de ce bâtiment historique. (It is regrettable that the lack of maintenance has corroded the structures of this historical building.)

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

Pronoun Conjugation Example Usage English Translation
je eusse corrodé Il a été surpris que je eusse corrodé le métal. He was surprised that I had corroded the metal.
tu eusses corrodé J’étais étonné que tu eusses corrodé le métal. I was surprised that you had corroded the metal.
il eût corrodé Je me demandais pourquoi il eût corrodé le métal. I wondered why he had corroded the metal.
elle eût corrodé Elle ne savait pas qu’elle eût corrodé le métal. She didn’t know she had corroded the metal.
on eût corrodé J’ai entendu dire que quelqu’un eût corrodé le métal. I heard that someone had corroded the metal.
nous eussions corrodé Nous aurions aimé que nous eussions corrodé le métal. We would have liked to have corroded the metal.
vous eussiez corrodé J’aurais été surpris que vous eussiez corrodé le métal. I would have been surprised if you had corroded the metal.
ils eussent corrodé Je me demandais pourquoi ils eussent corrodé le métal. I wondered why they had corroded the metal.
elles eussent corrodé Elle était contente qu’elles eussent corrodé le métal. She was happy that they had corroded the metal.

Other Conjugations for Corroder.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb corroder
   

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Corroder – 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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