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

ByMichael Burns

Introduction to the verb customiser

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The English translation of the French verb customiser is “to customize.” It is pronounced “koo-stoh-mee-zay” in its infinitive form.

The word customiser comes from the English word “customize” and the French suffix “-iser,” which is used to form verbs from nouns. It entered the French language in the 1970s and is primarily used in the context of fashion and design.

In everyday French, customiser is often used in the Conditionnel Passé tense, which expresses a hypothetical or future event that is dependent on another event. This tense is formed by using the conditional auxiliary verb “avoir” or “être” followed by the past participle of the main verb.

Three simple examples of customiser in the Conditionnel Passé tense are:

  1. Si j’avais eu plus de temps, j’aurais customisé ma robe pour la soirée. (If I had had more time, I would have customized my dress for the party.)
  2. Tu serais venu avec moi, on aurait pu customiser nos vélos ensemble. (If you had come with me, we could have customized our bikes together.)
  3. Ils auraient customisé leur voiture avec des autocollants personnalisés. (They would have customized their car with personalized stickers.)

In each of these examples, the use of customiser in the Conditionnel Passé tense expresses a hypothetical situation that is dependent on a previous event. It allows for speculation or imagination about what could have happened if a different course of action had been taken.

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

Pronoun Conjugation Example Usage English Translation
je aurais customisé Si j’avais su, je t’aurais customisé. I would have customized for you.
tu aurais customisé Tu aurais customisé ta voiture. You would have customized your car.
il aurait customisé Il aurait customisé son ordinateur. He would have customized his computer.
elle aurait customisé Elle aurait customisé sa robe. She would have customized her dress.
on aurait customisé On aurait customisé notre maison. One would have customized our house.
nous aurions customisé Nous aurions customisé nos vêtements. We would have customized our clothes.
vous auriez customisé Vous auriez customisé votre téléphone. You would have customized your phone.
ils auraient customisé Ils auraient customisé leur moto. They would have customized their motorcycle.
elles auraient customisé Elles auraient customisé leur sac. They (female) would have customized their bag.

Other Conjugations for Customiser.

    

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb customiser
     

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


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Customiser – 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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