Expressing a condition (Si...)
si followed by the present tense for both parts.
Grammar Rule in 30 Seconds
Use 'Si' to express a condition; remember that 'Si' is never followed by the future tense in French.
- Use 'Si' + present tense to talk about real possibilities: 'Si tu veux, on mange.'
- Never use the future tense directly after 'Si': 'Si tu viendras' is incorrect.
- The 'Si' clause can come first or second in the sentence: 'Si j'ai faim, je mange' or 'Je mange si j'ai faim.'
Overview
Conditional sentences allow you to express that one action or event depends on another. In French, the most common way to introduce a condition is with the word si, meaning "if". These structures are fundamental for communication, enabling you to discuss possibilities, make plans, give advice, or state consequences.
For beginners at the A1 level, mastering the real condition with si is crucial. This pattern is used when the condition is either possible or likely to happen in the present or future, and the result is a direct consequence.
Si clauses are essential for building logical connections between ideas. They move your French beyond simple statements, allowing you to express nuances of cause and effect. Understanding this grammatical structure provides the framework for more complex conditional expressions you will encounter in higher CEFR levels.
It is a high-frequency tool that significantly enhances your ability to engage in practical, everyday conversations.
How This Grammar Works
si primarily follow a clear, consistent structure known as the real condition. This structure describes situations that are factual, habitual, or genuinely possible. The core principle is that both the condition and its result are expressed using the present tense.Si + present tense (in the condition clause) leads to present tense (in the result clause). This pattern is used to state general truths, habitual actions, or immediate consequences of a possible event. For instance, Si tu as faim, tu manges (If you are hungry, you eat) describes a universal truth.Si j'ai le temps, je vais au marché (If I have time, I go to the market) expresses a likely action based on a possible condition. The use of the present tense in both parts emphasizes the direct and real connection between the condition and its outcome.Si tu es fatigué, dors ! (If you are tired, sleep!). This variation still grounds the condition in the present reality but directs an action for the result.si clause type fundamental for A1 learners, setting the stage for more complex hypothetical scenarios later on.Word Order Rules
si clause in a sentence offers flexibility, allowing for emphasis on either the condition or the result. There are two primary structures you will use:- 1Starting with the
siclause (Condition first):
Si + [Condition clause], [Result clause].si clause introduces the condition, followed by a comma, and then the consequence. The comma is essential to separate the two clauses visually and grammatically. This order often places more emphasis on the condition itself.Si tu as froid, mets un pull. (If you are cold, put on a sweater.)
Si nous finissons tôt, nous irons au parc. (If we finish early, we will go to the park.)
- 1Starting with the result clause (Result first):
si + [Condition clause].si acts as a conjunction connecting it directly to the condition. In this case, no comma is used before si. This structure often places slightly more emphasis on the result, with the condition acting as a qualifier.Je mange si j'ai faim. (I eat if I am hungry.)
On va au cinéma si tu veux. (We go to the cinema if you want.)
si:si is followed by il or ils:si ilcontracts tos'il. This is a mandatory contraction to avoid the repetition of vowel sounds (hiatus). For instance,S'il pleut, je reste à la maison.(If it rains, I stay at home.)si ilscontracts tos'ils. Similarly,S'ils sont d'accord, nous partons.(If they agree, we leave.)
si does NOT contract with other subject pronouns or words starting with a vowel, unlike que or de. For example:si elleremainssi elle. (e.g.,Si elle arrive, nous commençons.- If she arrives, we start.)si onremainssi on. (e.g.,Si on est prêts, on y va.- If we are ready, we go.)si un amiremainssi un ami. (e.g.,Si un ami vient, je suis content.- If a friend comes, I am happy.)
il/ils is important for sounding natural and grammatically correct in French.Formation Pattern
si at the A1 level involves combining two clauses, both typically using the present tense. Follow these steps:
si: This introduces the condition.
si, use a subject pronoun (e.g., je, tu, il, elle, nous, vous, ils, elles) or a noun, followed by a verb conjugated in the present tense.
s'il/s'ils contractions.
si clause comes first, place a comma after it.
Si + Subject + Verb (Present) | Si tu étudies | If you study |
, tu réussis. | , you succeed. |
S'il pleut | If it rains |
, je reste à la maison. | , I stay at home. |
Si vous avez faim | If you are hungry |
, mangez ! | , eat! (Imperative) |
PARLER (to speak) | Verb: FINIR (to finish) | Verb: ALLER (to go) |
je parle | je finis | je vais |
tu parles | tu finis | tu vas |
il/elle/on parle | il/elle/on finit | il/elle/on va |
nous parlons | nous finissons | nous allons |
vous parlez | vous finissez | vous allez |
ils/elles parlent | ils/elles finissent | ils/elles vont |
Si tu parles, tu apprends. (If you speak, you learn.) The two clauses are distinct but linked logically by si.
When To Use It
si + present, present/imperative structure is versatile and covers several common scenarios for A1 learners:- To express general truths or habits: Use this pattern to describe things that are always true under certain conditions.
Si l'eau gèle, elle devient de la glace. (If water freezes, it becomes ice.)Si je suis fatigué, je lis un livre. (If I am tired, I read a book – describing a habit.)- To state a likely future event or plan based on a present condition: This is for situations that are probable or expected to occur.
Si tu viens demain, on peut aller au cinéma. (If you come tomorrow, we can go to the cinema.)Si j'ai le temps, je t'appelle ce soir. (If I have time, I'll call you this evening.)- To give advice, instructions, or commands: When the result is an imperative, you are directly telling someone what to do if the condition is met.
Si tu ne comprends pas, pose une question ! (If you don't understand, ask a question!)Si vous avez besoin d'aide, demandez-nous. (If you need help, ask us.)- To ask a gentle suggestion or make an offer: Using
siwithoncan form polite suggestions.
Si on mangeait au restaurant ce soir ? (What if we ate at the restaurant tonight?) - This implies Si on mangeait au restaurant ce soir, est-ce que ça t'irait ? (If we ate at the restaurant tonight, would that suit you?).- To describe a situation and its immediate consequence: These are cause-and-effect relationships that are straightforward and certain.
Si le feu est rouge, les voitures s'arrêtent. (If the light is red, cars stop.)Si je n'étudie pas, je ne comprends rien. (If I don't study, I don't understand anything.)si construction is your go-to for discussing real-world possibilities and their outcomes. It grounds your French in immediate, tangible situations, which is ideal for beginner conversations and interactions.Common Mistakes
si clauses due to interference from their native language, particularly English. Awareness of these pitfalls will help you avoid them.- The "Will" Trap: Using the Future Tense after
si: This is the most prevalent error for English speakers. In English, we often say, "If it rains, I will stay home." However, in French, when expressing a real condition, you NEVER use the future tense immediately aftersiin the condition clause. The condition clause (si+ ...) always uses the present tense at the A1 level. - Incorrect:
Si il pleuvra, je resterai à la maison.(Incorrect: future aftersi) - Correct:
S'il pleut, je reste à la maison.(If it rains, I stay at home.) - Incorrect:
Si tu auras faim, dis-le moi.(Incorrect: future aftersi) - Correct:
Si tu as faim, dis-le moi.(If you are hungry, tell me.)
- Forgetting the
s'il/s'ilsContraction: Omitting this mandatory contraction makes your French sound unnatural. It's a small detail, but a significant indicator of proficiency. - Incorrect:
Si il fait beau, nous sortons.(Incorrect:si il) - Correct:
S'il fait beau, nous sortons.(If the weather is nice, we go out.)
- Using
siin both clauses: The conjunctionsionly introduces the condition. It should not be repeated in the result clause. - Incorrect:
Si j'ai soif, si je bois de l'eau.(Incorrect:sirepeated) - Correct:
Si j'ai soif, je bois de l'eau.(If I am thirsty, I drink water.)
- Confusing
si(if) withoui(yes): Whilesican mean
Si Clause Structure
| Part 1 (Condition) | Connector | Part 2 (Result) |
|---|---|---|
|
Si + Subject
|
+ Present Tense
|
+ Present/Future/Imperative
|
|
Si tu as faim
|
+
|
je cuisine.
|
|
Si tu as faim
|
+
|
je cuisinerai.
|
|
Si tu as faim
|
+
|
cuisine !
|
Meanings
The 'Si' structure is used to introduce a condition that must be met for an action to occur. It is the French equivalent of the English 'if'.
Real Condition
Expressing a likely or possible event.
“Si il pleut, je reste à la maison.”
“Si tu es prêt, on y va.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Si + Present, Present
|
Si tu veux, je viens.
|
|
Negative
|
Si + Ne...Pas, Ne...Pas
|
Si tu ne veux pas, je ne viens pas.
|
|
Question
|
Si + Present, Verb-Subject?
|
Si tu as faim, veux-tu manger?
|
|
Imperative
|
Si + Present, Command
|
Si tu es fatigué, dors.
|
|
Future Result
|
Si + Present, Future
|
Si tu étudies, tu réussiras.
|
|
Inverted
|
Result, Si + Condition
|
Je viens si tu veux.
|
Formality Spectrum
Si vous le souhaitez, nous pouvons y aller. (Making plans)
Si tu veux, on peut y aller. (Making plans)
Si tu veux, on y va. (Making plans)
Si tu veux, on trace. (Making plans)
The Si Clause Map
Tense
- Présent Present
Result
- Futur Future
- Impératif Command
Examples by Level
Si tu veux, on mange.
If you want, we eat.
Si j'ai faim, je mange.
If I am hungry, I eat.
Si il est là, je parle.
If he is there, I speak.
Si tu es prêt, on y va.
If you are ready, we go.
Si tu as froid, mets un pull.
If you are cold, put on a sweater.
Si elle arrive, appelle-moi.
If she arrives, call me.
Si tu ne travailles pas, tu ne gagnes pas.
If you don't work, you don't earn.
Si nous avons le temps, nous visitons le musée.
If we have time, we visit the museum.
Si tu étudies, tu réussiras.
If you study, you will succeed.
Si le train est en retard, nous prendrons un taxi.
If the train is late, we will take a taxi.
Si tu finis ton travail, tu pourras sortir.
If you finish your work, you will be able to go out.
Si vous avez des questions, n'hésitez pas.
If you have questions, don't hesitate.
Si les conditions sont réunies, le projet aboutira.
If the conditions are met, the project will succeed.
Si tu ne fais pas attention, tu feras une erreur.
If you don't pay attention, you will make a mistake.
Si cela vous convient, nous nous voyons demain.
If that suits you, we will see each other tomorrow.
Si la météo le permet, nous irons à la plage.
If the weather allows it, we will go to the beach.
Si tant est que cela soit possible, nous le ferons.
If it is possible, we will do it.
Si, par malheur, il ne vient pas, nous annulerons.
If, unfortunately, he doesn't come, we will cancel.
Si l'on considère les faits, la décision est logique.
If one considers the facts, the decision is logical.
Si vous deviez changer d'avis, prévenez-moi.
If you were to change your mind, let me know.
Si d'aventure vous passiez par là, faites-moi signe.
If by chance you pass by there, let me know.
Si peu que ce soit, chaque effort compte.
However little it may be, every effort counts.
Si je vous disais la vérité, vous seriez surpris.
If I told you the truth, you would be surprised.
Si tant est qu'il soit venu, il n'a rien dit.
If he even came, he said nothing.
Easily Confused
Learners often use 'si' to mean 'yes' in response to a question.
Both translate to time-related concepts.
Both are common connectors.
Common Mistakes
Si j'aurai le temps...
Si j'ai le temps...
Si je suis faim...
Si j'ai faim...
Si tu veux, je viendrai.
Si tu veux, je viens.
Si tu es, je suis.
Si tu viens, je viens.
Si tu as froid, tu mets un pull?
Si tu as froid, mets un pull!
Si il pleut...
S'il pleut...
Si tu ne viens pas, je ne viendrai pas.
Si tu ne viens pas, je ne viendrai pas.
Si j'aurais su...
Si j'avais su...
Si il serait...
S'il était...
Si tu aurais le temps...
Si tu avais le temps...
Si il soit possible...
Si c'est possible...
Si tant est qu'il viendra...
Si tant est qu'il vienne...
Si je serais...
Si j'étais...
Sentence Patterns
Si tu ___, je ___.
Si il ___, ___!
Si tu ___, tu ___.
Si ___ possible, je ___.
Real World Usage
Si t'es dispo, on se voit ?
Si c'est possible, je voudrais sans oignons.
Si vous avez des questions, je suis à votre écoute.
Si le vol est annulé, que dois-je faire ?
Si vous aimez, partagez !
Si tu ne comprends pas, demande au professeur.
The No-Future Rule
The S'il Rule
Softening Requests
Smart Tips
Use 'Si tu veux' to sound polite and natural.
Use the imperative in the second clause.
Remember: Present after 'si', future in the result.
Always use 's'il' instead of 'si il'.
Pronunciation
Elision
Si becomes S' before 'il' or 'ils'.
Rising-Falling
Si tu as faim, (rise) je mange. (fall)
Standard declarative sentence.
Memorize It
Mnemonic
Si is a 'Present' present; it only accepts the present tense.
Visual Association
Imagine a 'Si' signpost at a fork in the road. One path is 'Present' (the current moment), and the other path is the 'Future' result.
Rhyme
Si takes the present, don't you fear, the future result will soon appear.
Story
Sophie is at a café. She thinks: 'Si j'ai faim (condition), je mange (result).' Then she thinks: 'Si j'ai soif (condition), je commanderai un jus (future result).' Finally, she tells her friend: 'Si tu es là (condition), assieds-toi (imperative)!'
Word Web
Challenge
Write 3 sentences about your day using 'Si' (e.g., 'If I have time, I read').
Cultural Notes
French people use 'si' to negotiate everything from business deals to dinner plans.
The 'si' structure is used similarly, but often with more informal vocabulary.
Commonly used in formal French to express polite conditions.
Derived from Latin 'sic' (thus/so).
Conversation Starters
Si tu as le temps ce week-end, que fais-tu ?
Si tu gagnes au loto, qu'achètes-tu ?
Si tu pouvais voyager, où irais-tu ?
Si la technologie n'existait pas, comment vivrions-nous ?
Journal Prompts
Common Mistakes
Test Yourself
Si tu ___ (vouloir), viens avec moi.
Which is correct?
Find and fix the mistake:
Si tu viendras, je serai content.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
If you are free, call me.
Answer starts with: Si ...
Si tu ___ (étudier), tu réussiras.
Si / tu / avoir / temps / venir
S'il ___ (faire) beau, nous sortons.
Score: /8
Practice Exercises
8 exercisesSi tu ___ (vouloir), viens avec moi.
Which is correct?
Find and fix the mistake:
Si tu viendras, je serai content.
faim / si / je / mange / ai / j'
If you are free, call me.
Si tu ___ (étudier), tu réussiras.
Si / tu / avoir / temps / venir
S'il ___ (faire) beau, nous sortons.
Score: /8
Practice Bank
10 exercisesSi tu ___ (vouloir), nous allons au cinéma.
Si il est là, je suis content.
Order the words:
If you are tired, sleep.
Pick the correct sentence:
Match the pairs:
Si elle ___ à Paris, elle visite le Louvre.
Si tu viendras, je serai content.
Reorder:
If he is here, we eat.
Score: /10
FAQ (8)
No, never use the future tense directly after 'si'.
The condition stays in the present, but the result can be in the future.
No, 'si' is for conditions, 'oui' is for yes.
Yes, 'Je mange si j'ai faim' is perfectly correct.
No, 'si' is invariable.
Yes, but that requires more advanced tenses like the imperfect.
It is used in all registers.
It is an elision to make pronunciation smoother.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Si + presente
None, it is almost identical.
Wenn + Präsens
German word order changes (verb moves to second position).
～たら (tara)
Japanese particles are suffixes, not prefixes.
إذا (idha)
Arabic has specific verb forms for conditions.
如果 (rúguǒ)
Chinese verbs do not conjugate.
If + present
English allows future tense after 'if' (e.g., 'If it will rain').
Learning Path
Prerequisites
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