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

ByMichael Burns

Introduction to the verb démoustiquer

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The English translation of the French verb démoustiquer is “to de-bug” or “to get rid of bugs.” It is pronounced as “day-moo-stee-kay.”

Démoustiquer comes from the word “moustique” which means “mosquito” in French. The prefix “dé-” indicates a removal or undoing of something, therefore, démoustiquer literally means “to un-mosquito” or “to remove mosquitoes.”

In everyday French, démoustiquer is most often used in the Passé Composé (Present Perfect) tense to talk about a completed action in the past. It is commonly used when talking about getting rid of bugs or mosquitoes in a specific moment or situation.

Example 1: J’ai démoustiqué ma maison hier soir. (I de-bugged my house last night)
Example 2: Nous avons démoustiqué le jardin avant la fête. (We got rid of bugs in the garden before the party)
Example 3: Ils ont démoustiqué leur chambre avant de dormir. (They de-bugged their room before going to sleep)

Table of the Passé Composé (Present Perfect) Tense Conjugation of démoustiquer

Pronoun Conjugation Short Example English Translation
je ai démoustiqué J’ai démoustiqué la maison. I sprayed the house for mosquitoes.
tu as démoustiqué Tu as démoustiqué la voiture. You sprayed the car for mosquitoes.
il a démoustiqué Il a démoustiqué le jardin. He sprayed the garden for mosquitoes.
elle a démoustiqué Elle a démoustiqué la terrasse. She sprayed the terrace for mosquitoes.
on a démoustiqué On a démoustiqué la piscine. We sprayed the pool for mosquitoes.
nous avons démoustiqué Nous avons démoustiqué la chambre. We sprayed the bedroom for mosquitoes.
vous avez démoustiqué Vous avez démoustiqué la cuisine. You sprayed the kitchen for mosquitoes.
ils ont démoustiqué Ils ont démoustiqué le balcon. They sprayed the balcony for mosquitoes.
elles ont démoustiqué Elles ont démoustiqué le parc. They sprayed the park for mosquitoes.

Other Conjugations for Démoustiquer.

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

    Imparfait (Imperfect) Tense Conjugation of the French Verb démoustiquer
   

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

    Passé Composé (Present Perfect) Tense Conjugation of the French Verb démoustiquer    (this article)

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

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

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

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

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

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

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

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

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

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

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

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

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

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Démoustiquer – About the French Passé Composé (Present Perfect) Tense

The French Passé Composé is a compound tense used to express actions or events that have been completed in the past. It is one of the most common past tenses in the French language and is typically used in everyday conversation to describe actions that occurred at a specific point in the past. The Passé Composé is constructed using an auxiliary verb (either “être” or “avoir”) and a past participle.

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

Formation of the Passé Composé

Set the auxiliary verb with either

“être” – used with a select group of verbs (mostly intransitive verbs of motion, reflexive verbs, and some others) or
“avoir” – used with most other verbs. 

Conjugate the auxiliary verb

If using “être,” you must conjugate it in the present tense according to the subject of the sentence. 
Je suis, Tu es, Il est, Nous sommes, Vous êtes, Ils sont 
If using “avoir,” conjugate it according to the subject as well: 
J’ai, Tu as, Elle a, Nous avons, Vous avez, Ils ont.  

Add the past participle

For regular -er verbs, remove the -er ending and add -é (e.g., “parler” becomes “parlé”). 
For regular -ir verbs, remove the -ir ending and add -i (e.g., “finir” becomes “fini”). 
For regular -re verbs, remove the -re ending and add -u (e.g., “vendre” becomes “vendu”). 
For irregular verbs, you’ll need to learn the past participles individually, as they don’t follow a regular pattern.

Common everyday usage patterns

Narrating Past Events

The Passé Composé is used to talk about specific actions or events that took place in the past. For example: “Hier, j’ai mangé une pizza” (Yesterday, I ate a pizza). 

Sequential Actions

When describing a series of actions in the past, the Passé Composé is used. For example: “D’abord, je me suis réveillé, puis je suis allé travailler” (First, I woke up, then I went to work). 

Describing Completed Actions

It’s used to emphasize that an action has been completed, often with a specific time reference. For example: “Elle a terminé son travail à 18 heures” (She finished her work at 6 p.m.). 

Interactions with other tenses

Imperfect Tense

The Passé Composé is often used in conjunction with the imperfect tense when telling a story or describing past events. The Passé Composé is used for specific actions that occurred, while the imperfect is used for background information or ongoing actions. 
For example: “Il pleuvait quand j’ai sorti mon parapluie” (It was raining when I took out my umbrella).

Conditional and Future Tenses

The Passé Composé is used as a reference point in complex sentences to establish the sequence of events in relation to future or conditional actions. 
For example: “Quand il est arrivé, je lui ai donné ton message” (When he arrived, I gave him your message). 

Summary

The French Passé Composé is an essential tense for talking about completed actions in the past in everyday conversation. It’s important to master the choice of auxiliary verb and the past participle conjugation for various verbs to use it effectively.

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

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