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

ByMichael Burns

Introduction to the verb dératiser

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The English translation of the French verb dératiser is “to exterminate rats” or “to rat-proof”. It is pronounced “deh-rah-tee-zay” in its infinitive form.

The verb dératiser comes from the French word “rat” meaning “rat” and the suffix “-iser” which is used to form verbs. It is most often used in everyday French as a transitive verb, meaning it requires a direct object. It is commonly used in the present tense to describe the action of getting rid of rats or preventing them from entering a space.

3 examples of dératiser in the present tense:

  1. Nous devons dératiser notre grenier car il y a des rats qui ont fait des nids. (We need to rat-proof our attic because there are rats nesting there.)
  2. Le gouvernement a décidé de dératiser les égouts de la ville pour éviter une épidémie de maladies. (The government has decided to exterminate rats in the city sewers to prevent a disease outbreak.)
  3. Les propriétaires de l’immeuble ont fait appel à une société spécialisée pour dératiser les parties communes. (The owners of the building have hired a specialized company to rat-proof the common areas.)

Table of the L’infinitif Présent (Infinitive Present) Tense Conjugation of dératiser

Pronoun Conjugation Example Usage English Translation
je dératisse Je dératisse ma maison. I am ridding my house of rats.
tu dératises Tu dératises le grenier. You are getting rid of the rats in the attic.
il dératise Il dératise l’appartement. He is exterminating the rats in the apartment.
elle dératise Elle dératise l’entrepôt. She is rat-proofing the warehouse.
on dératise On dératise la cuisine. We are rat-proofing the kitchen.
nous dératisons Nous dératisons le jardin. We are getting rid of the rats in the garden.
vous dératisez Vous dératisez le garage. You are rat-proofing the garage.
ils dératisent Ils dératisent la cave. They are exterminating the rats in the cellar.
elles dératisent Elles dératisent l’école. They are ridding the school of rats.

Other Conjugations for Dératiser.

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

Imparfait (Imperfect) Tense Conjugation of the French Verb dératiser

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Dératiser – About the French L’infinitif Présent (Infinitive Present) Tense

BEFORE you continue…. why not take a deep dive into all the French tenses with my article on Mastering French Tense Conjugation.
The French “l’infinitif présent” (Infinitive Present) tense is not a true verb tense in the same way that the present, past, or future tenses are. Instead, it’s the base form of a verb, and it has several important uses and interactions with other tenses.

Forming the Infinitive Present

To form the infinitive present of a verb, you typically take the unconjugated form of the verb (the form you’d find in a French dictionary) and remove the ending. For regular verbs, you remove the -er, -ir, or -re ending, and you’re left with the infinitive. For example:
   – Parler (to speak)
   – Finir (to finish)
   – Vendre (to sell)

Common Everyday Usage Patterns

As a Verb’s Dictionary Form

The most common use of the infinitive present is to represent a verb in its base form. It’s the form you would find in a dictionary or verb conjugation table.

After Modal Verbs

When you use modal verbs like “pouvoir” (can), “vouloir” (want), or “devoir” (must), the verb that follows is in its infinitive form. For example:
     – Je veux manger. (I want to eat.)
     – Il peut parler français. (He can speak French.)

As an Imperative

In informal commands, the infinitive is often used. For example:
     – Ferme la porte. (Close the door.)

In Infinitive Clauses

In complex sentences, especially after certain conjunctions, the infinitive is used to express actions that are separate from the main verb. For example:
     – J’ai besoin de manger avant de partir. (I need to eat before leaving.)

Interactions with Other Tenses

Present Tense

The infinitive present can be used with the present tense to express ongoing actions or habitual actions. For example:
     – J’aime manger des croissants. (I like eating croissants.)

Future Tense

When combined with the future tense of “aller,” the infinitive present can express future actions. For example:
     – Je vais manger au restaurant demain. (I am going to eat at the restaurant tomorrow.)

Conditional Tense

The infinitive present is often used with the conditional to express actions that would happen in a hypothetical situation. For example:

     – Il mangerait s’il avait faim. (He would eat if he were hungry.)

Passé Composé

When forming compound tenses like “passé composé,” the auxiliary verb (être or avoir) is conjugated, and the main verb remains in its infinitive form. For example:
     – J’ai mangé une pomme. (I ate an apple.)
     – Elle est partie. (She left.)

Imperfect Tense

The infinitive present can be combined with the imperfect tense to describe ongoing or habitual actions in the past. For example:
     – Quand j’étais enfant, j’aimais jouer. (When I was a child, I liked to play.)

Subjunctive and Conditional Moods

In some complex sentences, the infinitive can be used with the subjunctive and conditional moods, especially when expressing uncertainty, possibility, or doubt.

Summary

The infinitive present in French serves as the base form of a verb and is used in various contexts, including after modal verbs, in imperative commands, in infinitive clauses, and in combination with other tenses to convey a wide range of meanings and actions. Its flexibility makes it a fundamental part of French grammar.

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