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

ByMichael Burns

Introduction to the verb déphaser

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The English translation of the French verb déphaser is “to shift out of phase” or “to desynchronize.” It is pronounced as “day-fah-zay.”

Déphaser is a compound word made up of the prefix “dé” which means “out of” and the verb “phaser” which means “to phase.” It is most often used in everyday French in the Subjonctif Passé tense, which is used to express a past action that is uncertain or hypothetical.

Here are three simple examples of déphaser in the Subjonctif Passé tense:

  1. J’espère que tu n’as pas déphasé le signal. (I hope you didn’t shift the signal out of phase.)
  2. Il est important que nous ayons déphasé nos horaires pour éviter les embouteillages. (It is important that we shifted our schedules to avoid traffic.)
  3. Je me demande si elle a déphasé son emploi du temps pour venir nous voir. (I wonder if she shifted her schedule to come see us.)

In these examples, déphaser is used to express a past action that is uncertain or hypothetical, as the speaker is not sure if the action actually happened. It is often used in technical or scientific contexts, such as in telecommunications or physics.

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

Pronoun Conjugation Example Usage English Translation
je aie déphasé Il est possible que j’aie déphasé. It’s possible that I phased.
tu aies déphasé Tu crois que tu aies déphasé ? Do you think you phased?
il ait déphasé Il est important qu’il ait déphasé. It’s important that he phased.
elle ait déphasé Elle espère qu’elle ait déphasé. She hopes she phased.
on ait déphasé On aimerait qu’on ait déphasé. We would like to have phased.
nous ayons déphasé Il est temps que nous ayons déphasé. It’s time for us to phase.
vous ayez déphasé Vous voulez que vous ayez déphasé. You want to have phased.
ils aient déphasé Ils doutent qu’ils aient déphasé. They doubt they phased.
elles aient déphasé Elles préfèrent qu’elles aient déphasé. They prefer they phased.

Other Conjugations for Déphaser.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb déphaser
   

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

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

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

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

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

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

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

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

    Subjonctif Passé (Subjunctive Past) Tense Conjugation of the French Verb déphaser     (this article)

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

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

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

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

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

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

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

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Déphaser – 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.

I hope you enjoyed this article on the verb déphaser. Still in a learning mood? Check out another TOTALLY random French verb conjugation!

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