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

ByMichael Burns

Introduction to the verb authentiquer

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The English translation of the French verb authentiquer is “to authenticate.” It is pronounced [oh-tawn-teh-tee-kay].

The word “authentiquer” comes from the Latin word “authentico” meaning “to establish as genuine.” In everyday French, it is used to describe the action of verifying or confirming the authenticity of something, such as documents, objects, or information. It is most often used in the Conditionnel Passé tense to express a hypothetical or imagined situation in the past.

Here are three simple examples of its usage in the Conditionnel Passé tense, with their English translations:

  1. Si j’avais pu authentiquer sa signature, je l’aurais fait. (If I had been able to authenticate his signature, I would have done it.)
  2. Nous aurions pu éviter cette erreur si nous avions authentiqué les informations avant de les publier. (We could have avoided this mistake if we had authenticated the information before publishing it.)
  3. Ils auraient dû authentiquer cette œuvre avant de la vendre comme un original. (They should have authenticated this work before selling it as an original.)

Table of the Conditionnel Passé (Conditional Past) Tense Conjugation of authentiquer

Pronoun Conjugation Example Usage English Translation
je aurais authentiqué Si j’avais su, je t’aurais authentiqué. I would have authenticated you.
tu aurais authentiqué Tu aurais authentiqué plus tôt. You would have authenticated earlier.
il aurait authentiqué Il aurait authentiqué ses documents. He would have authenticated his documents.
elle aurait authentiqué Elle aurait authentiqué ses comptes. She would have authenticated her accounts.
on aurait authentiqué On aurait authentiqué les utilisateurs. One would have authenticated the users.
nous aurions authentiqué Nous aurions authentiqué nos identifiants. We would have authenticated our credentials.
vous auriez parléauthentiqué Vous auriez authentifié vos fichiers. You would have authenticated your files.
ils auraient authentiqué Ils auraient authentifié les transactions. They would have authenticated the transactions.
elles auraient authentiqué Elles auraient authentifié les paiements. They (female) would have authenticated the payments.

Other Conjugations for Authentiquer.

    

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb authentiquer
     

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

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

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

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

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

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

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

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

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

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

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

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

    Conditionnel Passé (Conditional Past) Tense Conjugation of the French Verb authentiquer  (this article)

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

    L’infinitif Présent (Infinitive Present) Tense Conjugation of the French Verb authentiquer


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Authentiquer – About the French Conditionnel Passé (Conditional Past) Tense

The French “Conditionnel Passé” is a compound tense used to express hypothetical or unreal actions in the past. It is formed by combining the conditional of the auxiliary verb “avoir” or “être” and the past participle of the main verb.

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

Formation

Start with the conditional of the auxiliary verb: For most verbs, use “aurais” (for “avoir”) or “serais” (for “être”) as the conditional form. 

With “avoir”: j’aurais, tu aurais, il/elle/on aurait, nous aurions, vous auriez, ils/elles auraient. 
With “être”: je serais, tu serais, il/elle/on serait, nous serions, vous seriez, ils/elles seraient. 

Add the past participle of the main verb to this conditional form. 
For example, if you want to say “I would have done,” you would use “j’aurais fait.” If you want to say “She would have gone,” you would use “elle serait allée.”

Common Everyday Usage Patterns

Expressing Unreal Past Scenarios

The Conditionnel Passé is often used to talk about actions that did not happen in the past, but you are speculating about what would have occurred if they had. It’s a way to discuss hypothetical situations in the past. 

Si j’avais su, je t’aurais aidé. (If I had known, I would have helped you.)
Il serait venu s’il avait eu le temps. (He would have come if he had had the time.) 

Polite Requests or Suggestions

It can be used to make polite requests or suggestions in the past. 

Pourriez-vous m’aider, s’il vous plaît ? (Could you have helped me, please?) 

Expressing Doubt or Uncertainty

It can convey doubt or uncertainty regarding past events.

Il aurait peut-être oublié notre rendez-vous. (He might have forgotten our appointment.)

Interactions with Other Tenses

Conditional Present

You can use the Conditionnel Passé in combination with the conditional present to describe past actions that were hypothetical at the time they were spoken about. J’aurais aimé que tu m’appelles hier. (I would have liked you to call me yesterday.) 

Indicative Past Tenses

You might use the Conditionnel Passé alongside indicative past tenses like the passé composé to contrast hypothetical and real past events. Il est venu hier, mais s’il avait pu, il serait venu la semaine dernière. (He came yesterday, but if he could have, he would have come last week.) 

Conditional Future

In some cases, you can use the Conditionnel Passé in combination with the conditional future to discuss unreal past events that could have consequences in the future. Si j’avais réussi mon examen, j’aurais un meilleur travail. (If I had passed my exam, I would have a better job.)

Summary

In summary, the Conditionnel Passé is used to express hypothetical or unreal actions in the past. It is often used in conjunction with other tenses to convey various nuances in French, allowing speakers to discuss imaginary past scenarios, make polite requests, or express doubt about past events.

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