Premier Conditionnel: Ordres et Conseils (If + Impératif)
If, Present Simple et Imperative.
Grammar Rule in 30 Seconds
Use this to give direct instructions or advice based on a specific future possibility: 'If [condition], [do this]!'
- Use Present Simple after 'if' for the condition: 'If you see him...'
- Use the base verb (Imperative) for the result: '...tell him to call me.'
- For negative commands, use 'don't': 'If it rains, don't go out.'
Overview
First Conditional, lorsqu'il est associé à l'impératif, est un outil de communication essentiel en anglais pour donner des instructions, des conseils ou des avertissements basés sur une condition spécifique. C'est ce qu'on appelle souvent une directive conditionnelle. Contrairement au premier conditionnel classique qui prédit un résultat futur (par exemple, If it rains, I will stay home), cette variante commande ou conseille une action immédiate ou nécessaire dès que la condition est remplie (par exemple, If it rains, stay home).if sont des zones où l'on peut facilement trébucher par réflexe de traduction littérale. Comprendre la mécanique de cette structure, c'est comprendre comment les anglophones structurent la pensée pragmatique : une condition est posée, et une action immédiate est attendue en réponse.if, et une proposition principale contenant un verbe à l'impératif.if (qu'on appelle la protase) établit la condition. Par exemple : If you see her.... La proposition principale (l'apodose) fournit l'ordre ou le conseil à exécuter si la condition est satisfaite : ...tell her.you est toujours sous-entendu, jamais prononcé.If you are hungry, you will eat something.(C'est une prédiction sur ce qui va probablement arriver, un constat presque biologique).If you are hungry, eat something.(C'est une suggestion directe ou une instruction. Ici, tu incites ton interlocuteur à agir).
will ou should dans la deuxième partie de la phrase. L'impératif anglais est très « brut » et efficace.First Conditional avec impératif suit un schéma très régulier. Il n'y a pas de conjugaisons complexes à retenir comme on peut en avoir en français avec le subjonctif ou le futur. Tout repose sur le Present Simple et la Base Form du verbe.if | If + Sujet + Present Simple | If you feel tired, |Base Form) | take a nap. |to).If the phone rings, answer it.(Si le téléphone sonne, réponds-y).If you need help, ask me.(Si tu as besoin d'aide, demande-moi).
Don't devant la base verbale, peu importe le verbe.If it’s raining, don’t go out.(S'il pleut, ne sors pas).If she calls, don’t tell her I’m here.(Si elle appelle, ne lui dis pas que je suis là).
- Condition en premier : On utilise une virgule pour séparer les deux parties.
If you are lost, call me.- Impératif en premier : On ne met pas de virgule.
Call me if you are lost.If you are finished, leave est beaucoup plus direct. Rappelle-toi : à l'impératif, le you disparaît. On ne dit jamais If you are tired, you take a nap.you will take a nap (prédiction), soit take a nap (ordre/conseil).If the light turns red, press the stop button.If the sauce is too thick, add some water.
if adoucit l'impératif.If you want to visit Paris, book your tickets early.If you're stressed, try to meditate for five minutes.
If you see a suspicious bag, inform the security staff.If the fire alarm sounds, leave the building immediately.
If you can't attend the meeting, let me know by email.If you use the last of the coffee, make a new pot.
if, il devient souvent une invitation chaleureuse.If you're ever in Lyon, come and visit us!If you have a moment, give me a call.
will dans la proposition impérativeIf you are late, you will call me. En anglais, cela sonne comme une prédiction de voyante, pas comme une instruction. Si tu veux que la personne t'appelle, utilise l'impératif pur.- Erreur :
If you see him, you will tell him. - Correction :
If you see him, tell him.
ifFirst Conditional classique.- Erreur :
If you will be tired, go to bed. - Correction :
If you are tired, go to bed.
if, on utilise le présent pour parler d'une condition future.you doit disparaître.- Erreur :
If you have time, you call me. - Correction :
If you have time, call me.
- Erreur :
Tell me if you need help.(Pas de virgule nécessaire ici car l'impératif est en premier). - Correction :
If you need help, tell me.(Virgule obligatoire car la condition commence la phrase).
If + Present, Imperative | First Conditional (Command) | Instruction ou conseil direct. | If you're cold, put on a coat. |If + Present, Will | First Conditional (Standard) | Prédiction d'un résultat futur. | If you're cold, you will get sick. |If + Present, Present | Zero Conditional | Vérité générale ou fait scientifique. | If you freeze water, it turns to ice. |If + Past, Would | Second Conditional | Hypothèse imaginaire ou peu probable. | If I were you, I would go. |If you study, you will pass (Je te prédis ton succès) et If you want to pass, study! (Je te donne le conseil pour réussir). Le premier est un constat, le second est une incitation à l'action.Zero Conditional (If it rains, the grass gets wet) décrit une loi de la nature. Le First Conditional avec impératif (If it rains, take an umbrella) décrit une action humaine spécifique en réponse à un événement.if. C'est une façon très efficace et directe de communiquer. Pour adoucir encore plus, tu peux ajouter please : If you have a moment, please help me.can ou should à la place de l'impératif ?If you are tired, you should rest est un conseil plus doux. L'impératif If you are tired, rest est plus direct. Les deux sont corrects, mais l'impératif est plus fréquent à l'oral pour les instructions rapides.unless ?Unless signifie if... not. Par exemple : Unless it's urgent, don't call me at night (À moins que ce ne soit urgent, ne m'appelle pas pendant la nuit). C'est une variante très élégante.s à la troisième personne dans l'impératif ?if, l'ordre s'adresse toujours à ton interlocuteur (you). Exemple : If he calls, tell him I'm busy. (Le s est sur calls car c'est le présent simple, mais tell reste à la base verbale car c'est l'ordre que TU dois exécuter).Structure of Conditional Imperatives
| Clause Type | Grammar Rule | Example |
|---|---|---|
|
If-Clause (Condition)
|
If + Present Simple
|
If you see a fire...
|
|
Main Clause (Command)
|
Imperative (Base Verb)
|
...call 911.
|
|
Negative If-Clause
|
If + don't/doesn't + Verb
|
If you don't like it...
|
|
Negative Command
|
Don't + Base Verb
|
...don't buy it.
|
|
Polite Command
|
Please + Base Verb
|
...please let me know.
|
Contractions in Conditional Imperatives
| Full Form | Contraction | Usage |
|---|---|---|
|
If you are
|
If you're
|
Common in speech
|
|
Do not (Command)
|
Don't
|
Standard for commands
|
|
If it is
|
If it's
|
Common in speech
|
Meanings
A variation of the first conditional where the result clause is a command or piece of advice rather than a prediction.
Giving Advice
Suggesting a helpful action if a certain condition is met.
“If you want to lose weight, eat more vegetables.”
“If you're tired, take a short nap.”
Giving Instructions
Step-by-step directions for a process.
“If the light turns red, stop the car.”
“If the water boils, add the pasta.”
Warnings and Prohibitions
Telling someone what NOT to do in a specific situation.
“If the alarm sounds, don't use the elevator.”
“If you are driving, don't use your phone.”
Reference Table
| Condition (clause `If`) | Action (Impératif) | Exemple |
|---|---|---|
|
If + Present Simple
|
Base verb (command)
|
If you're late, text me.
|
|
If + Present Simple
|
Base verb (advice)
|
If you're tired, take a break.
|
|
If + Present Simple
|
Don't + Base verb (negative command)
|
If you don't know, don't guess.
|
|
If the weather is good
|
Go for a walk
|
If the weather is good, go for a walk.
|
|
If you need help
|
Ask your teacher
|
If you need help, ask your teacher.
|
|
If she calls
|
Tell her I'm busy
|
If she calls, tell her I'm busy.
|
|
If the alarm rings
|
Evacuate immediately
|
If the alarm rings, evacuate immediately.
|
|
If he visits
|
Show him around
|
If he visits, show him around.
|
Spectre de formalité
Should you encounter any difficulties, please contact me. (Support/Help)
If you have any problems, call me. (Support/Help)
If you get stuck, give me a shout. (Support/Help)
If it goes south, hit me up. (Support/Help)
Exemples par niveau
If you are hot, open the window.
If you are sad, call me.
If it is 8:00, wake up.
If you see a dog, don't run.
If you go to the supermarket, buy some milk.
If the phone rings, don't answer it.
If you feel lost, look at the map.
If you want to pass, study hard.
If you have any trouble with the software, check the manual.
If the weather is nice tomorrow, let's have a picnic.
If you don't hear from me by five, give me a call.
If you find my keys, please put them on the table.
If you encounter any resistance from the client, refer them to me.
If the symptoms persist for more than three days, consult a specialist.
If you decide to accept the offer, sign the document and return it.
If you're looking for a quiet place to work, try the library on the third floor.
If you should find yourself in need of assistance, do not hesitate to reach out.
If the data appears corrupted, halt the process immediately.
If you ever happen to be in the neighborhood, stop by for a coffee.
If the witness refuses to testify, seek a court order.
If the aforementioned conditions are not met, consider this contract null and void.
If you would be so kind as to wait a moment, follow me to the drawing room.
If the engine begins to overheat, pull over and kill the ignition at once.
If you find your resolve wavering, remember the stakes of this mission.
Facile à confondre
Both use the Present Simple in the if-clause. Learners mix up general facts with specific commands.
Learners use 'will' when they should use a command.
Learners use the past tense in the if-clause for advice.
Erreurs courantes
If you are hungry, you eat.
If you are hungry, eat.
If it will rain, take an umbrella.
If it rains, take an umbrella.
If you see him tell him hello.
If you see him, tell him hello.
If you are tired, to sleep.
If you are tired, sleep.
If he call, tell me.
If he calls, tell me.
If you don't like it, no eat it.
If you don't like it, don't eat it.
If you are late, please you call me.
If you are late, please call me.
If you would like to go, let me to know.
If you would like to go, let me know.
If the machine will stop, press the button.
If the machine stops, press the button.
If you see a mistake, correcting it.
If you see a mistake, correct it.
If you should see him, you will tell him.
If you should see him, tell him.
Structures de phrases
If you ___, don't ___.
If the ___ ___, ___ it.
Please ___ if you ___.
If you want to ___, you must ___.
Real World Usage
If you're running late, just text me.
If the sauce is too thick, add a splash of water.
If you have any further questions, please feel free to ask.
If the alarm sounds, exit the building immediately.
If the app crashes, try reinstalling it.
If you like this post, share it with your friends!
Reste direct avec l'impératif
will ou should, sinon le sens change ! Par exemple : If you need help, ask.
L'importance de la virgule
If, mets toujours une virgule après la première partie. Par contre, si l'impératif est au début, pas besoin ! C'est important pour bien écrire : If you are late, text me.
Pour des instructions super claires
If you want to bake a cake, preheat the oven.
Adoucis le ton
if au début peut rendre ton message plus doux. En anglais, un ordre direct peut parfois paraître un peu brusque, alors n'hésite pas à ajouter please pour être plus poli : If you have a moment, please help me.
L'impératif négatif, un jeu d'enfant
Smart Tips
Add 'please' or 'why don't you' to the command.
Use the imperative to be clear and concise.
Check if the 'will' is in the if-clause. If it is, delete it!
Try starting with the command to sound more encouraging.
Prononciation
The Comma Pause
When the 'if' clause is first, there is a slight rising intonation at the end of the clause, followed by a brief pause.
Imperative Stress
The verb in the imperative clause usually carries the primary stress of the sentence because it is the most important action.
Condition-Command
If it rains ↗, stay inside ↘.
The rising tone shows the condition is pending; the falling tone shows the command is final.
Mémorise-le
Moyen mnémotechnique
Remember: 'If' starts the race (Present Simple), and the 'Command' crosses the finish line (Base Verb).
Association visuelle
Imagine a traffic light. If the light is red (Condition), STOP (Imperative). The action is immediate and direct.
Rhyme
If you see a chance, take it! If you make a mess, bake it!
Story
A boss tells an employee: 'If the phone rings, answer it. If the client complains, apologize. If the boss enters, stand up.' Every situation has a specific action.
Word Web
Défi
Write 3 'If' rules for your house (e.g., 'If you use a cup, wash it').
Notes culturelles
British speakers often add 'do' before the imperative to make it sound more like a warm invitation or a polite suggestion.
American English tends to be very direct with conditional imperatives, especially in service and safety contexts.
In corporate environments, 'please' is almost always added to soften the command, even if the speaker has authority.
The imperative mood is one of the oldest features of Indo-European languages, used for direct survival instructions. The conditional 'if' (Old English 'gif') was later paired with it to create logical contingencies.
Amorces de conversation
If you win the lottery tomorrow, what is the first thing you do? (Answer with a command to yourself!)
If a tourist feels lost in your city, what advice do you give them?
If you see a fire in a building, what are the steps to take?
If you want to make the perfect sandwich, what do you do?
Sujets d'écriture
Erreurs courantes
Test Yourself
`If you see a good movie playing, ___ me about it!`
if, on utilise la forme de base du verbe pour un ordre direct.Find and fix the mistake:
`If you are tired, you will go to bed.`
go to bed, pas une prédiction avec will.Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Score: /3
Exercices pratiques
8 exercisesIf it ___ (rain), don't forget your umbrella.
Which sentence is a correct instruction?
Find and fix the mistake:
If the phone will ring, answer it immediately.
If you see John, you will tell him to call me.
1. If you're cold... 2. If you're hungry... 3. If you're lost...
You should use a comma if the 'if' clause comes at the end of the sentence.
A: I'm so stressed about the exam! B: If you're stressed, ___.
don't / if / late / it / is / drive
Score: /8
Practice Bank
12 exercises`If you need fresh air, ___ outside for a bit.`
`If it will rain, take an umbrella.`
Choose the correct sentence:
Translate into English: 'Si tienes un problema, dime.'
Arrange these words into a sentence:
Match the condition with its advice:
`If you want good grades, ___ regularly.`
`If she will call, I will tell her.`
Select the correct sentence:
Translate into English: 'Si él llega, dile que me espere.'
Reorder the words:
Pair the clauses:
Score: /12
FAQ (8)
Yes, `If you are tired, you should sleep` is correct and slightly softer than `If you are tired, sleep`. Both are common.
Yes, `If you're finished, you can go` is a common variation. It's a permission rather than a command.
In English, the `if` word already implies a future possibility, so adding `will` is redundant and grammatically incorrect.
It's neutral. It depends on the verb. `If you're hungry, eat` is informal. `If the alarm sounds, evacuate` is formal.
Yes! `Unless you're busy, help me` means `If you aren't busy, help me`.
The imperative is only for 'you'. For others, use `let`: `If he arrives, let him in.`
Only if the `if` clause is at the beginning. `If it rains, stay home` (Yes). `Stay home if it rains` (No).
No, that would make it a Second Conditional, which is for imaginary situations. For real commands, use the Present Simple.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Si + Presente + Imperativo
English has only one imperative form; Spanish has many.
Si + Présent + Impératif
French requires choosing between 'tu' and 'vous' imperative forms.
Wenn + Präsens + Imperativ
German word order moves the verb to the end of the if-clause.
~tara / ~ba + kudasai
Japanese uses verb suffixes instead of a separate word for 'if'.
Idha + Present + Imperative
Arabic imperatives conjugate for gender (male/female command).
Ruguo... jiu...
Chinese often adds a 'then' particle (jiu) which is optional in English.
Learning Path
Prerequisites
Learn These First
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