Introduction to the verb désoxygéner
Get the Conditionnel Passé (Conditional Past) tense conjugation of désoxygéner. Includes a FREE downloadable reference sheet (no email required). Alternatively if you have a lot of text to check then use our free French Grammar Checker – no registration required!
The English translation of the French verb désoxygéner is “to deoxygenate.” It is pronounced as “day-zoks-ee-zhay-nay.”
The origin of désoxygéner can be traced back to the French words “dés” meaning “un-” and “oxygéner” meaning “to oxygenate.” This verb is often used in scientific or technical contexts to describe the process of removing oxygen from something.
In everyday French, désoxygéner is most commonly used in the Conditionnel Passé tense, which is the conditional perfect tense. This tense is used to talk about a hypothetical or future action that would have taken place in the past.
- Si nous avions désoxygéné l’eau, elle n’aurait pas été potable. (If we had deoxygenated the water, it would not have been drinkable.)
- J’aurais désoxygéné le sang du patient si j’avais eu les outils nécessaires. (I would have deoxygenated the patient’s blood if I had had the necessary tools.)
- Est-ce que tu aurais désoxygéné l’air dans la chambre avant de dormir? (Would you have deoxygenated the air in the room before sleeping?)
In these examples, désoxygéner is used in the Conditionnel Passé tense to talk about a hypothetical action or situation in the past. The English translations also use the conditional perfect tense to convey the same meaning.
Table of the Conditionnel Passé (Conditional Past) Tense Conjugation of désoxygéner
||Si je n’avais pas été là, j’aurais désoxygéné tout l’air dans la pièce.
||If I hadn’t been there, I would have removed all the oxygen from the room.
||Tu aurais désoxygéné l’eau de l’aquarium.
||You would have removed the oxygen from the aquarium water.
||Il aurait désoxygéné le sang du patient.
||He would have removed the oxygen from the patient’s blood.
||Elle aurait désoxygéné ses poumons.
||She would have removed the oxygen from her lungs.
||On aurait désoxygéné l’atmosphère de la planète.
||One would have removed the oxygen from the planet’s atmosphere.
||Nous aurions désoxygéné tous les corps présents.
||We would have removed the oxygen from all the bodies present.
||Vous auriez désoxygéné l’eau potable.
||You would have removed the oxygen from the drinking water.
||Ils auraient désoxygéné l’air dans l’avion.
||They would have removed the oxygen from the air in the plane.
||Elles auraient désoxygéné le feu.
||They (female) would have removed the oxygen from the fire.
Other Conjugations for Désoxygéner.
Le Present (Present Tense) Conjugation of the French Verb désoxygéner
Imparfait (Imperfect) Tense Conjugation of the French Verb désoxygéner
Passé Simple (Simple Past) Tense Conjugation of the French Verb désoxygéner
Passé Composé (Present Perfect) Tense Conjugation of the French Verb désoxygéner
Futur Simple (Simple Future) Tense Conjugation of the French Verb désoxygéner
Futur Proche (Near Future) Tense Conjugation of the French Verb désoxygéner
Plus-que-parfait (Pluperfect) Tense Conjugation of the French Verb désoxygéner
Passé Antérieur (Past Anterior) Tense Conjugation of the French Verb désoxygéner
Futur Antérieur (Future Anterior) Tense Conjugation of the French Verb désoxygéner
Subjonctif Présent (Subjunctive Present) Tense Conjugation of the French Verb désoxygéner
Subjonctif Passé (Subjunctive Past) Tense Conjugation of the French Verb désoxygéner
Subjonctif Imparfait (Subjunctive Imperfect) Tense Conjugation of the French Verb désoxygéner
Subjonctif Plus-que-parfait (Subjunctive Pluperfect) Tense Conjugation of the French Verb désoxygéner
Conditionnel Présent (Conditional Present) Tense Conjugation of the French Verb désoxygéner
Conditionnel Passé (Conditional Past) Tense Conjugation of the French Verb désoxygéner (this article)
L’impératif Présent (Imperative Present) Tense Conjugation of the French Verb désoxygéner
L’infinitif Présent (Infinitive Present) Tense Conjugation of the French Verb désoxygéner
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Désoxygéner – 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.
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
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.)
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.)
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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