So... That (Si... que)
si before the adjective and que before the consequence.
Grammar Rule in 30 Seconds
Use 'si' + adjective/adverb + 'que' to express a consequence resulting from an intense quality.
- Place 'si' directly before the adjective or adverb: 'Il est si gentil que...'
- Follow with 'que' to introduce the result clause: '...que tout le monde l'aime.'
- Ensure the adjective agrees with the noun it modifies: 'Elle est si fatiguée que...'
Overview
Ever seen a croissant so big that it needs its own seat on the bus? Or maybe a TikTok video so cringe that you had to close the app? That is exactly where `si...
que comes in. In French, we use this structure to connect an intense quality to a specific result. It is the verbal equivalent of saying "It was SO [something] THAT [this happened]." At the A1 level, you are starting to describe the world around you, and sometimes très` (very) just doesn't cut it.
You need to show the consequence. Whether you are complaining about your phone being si vieux (so old) that the battery dies in ten minutes or raving about a party being si génial (so great) that you stayed until dawn, this pattern adds flavor and logic to your sentences. It transforms a simple observation into a tiny story.
Think of it as a bridge: one side is the extreme adjective, and the other side is what happens because of it. It’s a favorite for dramatic university students and anyone trying to explain why they were late to class. Plus, it makes you sound way more fluent than just repeating très every five seconds.
Trust me, your French friends will be si impressionnés (so impressed) that they'll forget you're still a beginner.
How This Grammar Works
froid) or an adverb (like vite). You want to push it to the limit and then show the result.Si acts as the intensifier, and que acts as the connector to the next part of the sentence. Unlike English where we often drop the "that" (e.g., "It's so cold I'm freezing"), in French, you must keep the que. It’s the glue.si... que, you are setting up a payoff.si bonne (so good) that you ordered a second one, that si doesn't change, but bonne does! It’s a very predictable and reliable pattern, which is great because French grammar usually loves to throw curveballs at you.Formation Pattern
être (to be) or a verb like parler (to speak) or courir (to run).
si right after the verb.
s for plural!
que. If the next word starts with a vowel, it becomes qu'.
être + si... que)
Je suis si fatigué que je dors. | I am so tired that I'm sleeping.
Tu es si drôle que je ris. | You are so funny that I'm laughing.
C'est si cher qu'elle ne l'achète pas. | It is so expensive that she isn't buying it.
Nous sommes si contents que nous chantons. | We are so happy that we are singing.
Vous êtes si rapides que vous gagnez. | You are so fast that you are winning.
Ils sont si grands qu'ils voient tout. | They are so tall that they see everything.
When To Use It
si... que when "very" isn't enough. It's for those moments when a situation has a real-world impact.- Social Media Drama: Writing an Instagram caption about a view? "The sunset is
si beauthat I never want to leave." - Complaining to Roommates: "The kitchen is
si sale(so dirty) that I can't cook!" - Online Shopping: "This laptop is
si cherthat I need a second job." - Texting Friends: "The Uber is
si lent(so slow) that I will be late." - Netflix Binging: "This show is
si addictifthat I watched ten episodes."
si fatigué que I am going to bed." It links your ideas and makes your speech flow naturally. In a university setting, you'll use it to explain why you can't go out ("The exam is si difficile que I must study") or why you're broke ("The coffee is si bon que I spent all my money"). It’s the grammar of extremes and results.Common Mistakes
que. English speakers do this all the time because we say "It's so hot I'm melting." In French, Il fait si chaud je fonds is a crime against grammar. You need that que!si with très. While très means "very," it doesn't lead to a result. If you say Je suis très fatigué que..., it doesn't work. Très is a dead end. Si is a highway to a consequence.que starts with a vowel (like il, elle, on, ils), you must contract it to qu'. Si bon que il... becomes si bon qu'il.... It sounds smoother, and French is all about that smooth, buttery sound.si stays the same, but the adjective must match the subject. If you are a girl saying you're so happy, it's contente (with an 'e'). If you're talking about your many French books, they are si lourds (with an 's'). Grammar doesn't take a vacation just because you're using a cool expression.Contrast With Similar Patterns
si... que, très, and tellement... que?Très: Use this for simple intensity. "The coffee is very hot." End of story. No result needed. It’s the safe, boring option.Si... que: This is your go-to for A1. It links an adjective/adverb to a result. It's elegant and clear.Tellement... que: You might hear this one a lot. It means the exact same thing assi... que. However,tellementis a bit more common in casual, spoken French. It’s longer and more emphatic. You can use it with verbs too (e.g., "I ate so much that..."), whereassiis strictly for adjectives and adverbs. At your level,si... queis more precise and slightly more formal/standard.Aussi... que: Watch out! This looks similar but means "as... as" (comparison).Il est aussi grand que moi(He is as tall as me). Don't mix them up or you'll be comparing things when you meant to show a result, and your friends will besi confus quethey'll stop texting you.
Quick FAQ
Can I use si... que with nouns?
No! For nouns (like "so much money"), we use tant de... que or tellement de... que. Si only hangs out with adjectives and adverbs.
Is si always "so" in this context?
Yes. If it's followed by an adjective and then a que, it means "so." If it's by itself at the start of a sentence, it usually means "if." Context is king!
Can I use it in the past tense?
Absolutely. C'était si beau que j'ai pleuré (It was so beautiful that I cried). Just change the verb être to the past.
Does si change for feminine or plural?
Nope. Si is an adverb here, so it's invariable. It’s the rock in the relationship. The adjective next to it does all the changing.
What if I want to be very polite?
Si... que is perfectly fine for all politeness levels. It’s standard French. You can use it with your boss, your teacher, or your Uber driver. For a very casual vibe, you might swap it for tellement... que, but si... que is never wrong.
Is there a memory trick?
Think of S.I.Q. — So Intense Qonsequence. (Okay, "consequence" starts with a C, but "Q" sounds like the start of "Que"). Just remember: Si = Intensity, Que = Consequence.
Formation of Si... Que
| Element | Role | Example |
|---|---|---|
|
Subject
|
Actor
|
Il
|
|
Verb
|
State
|
est
|
|
Si
|
Intensity
|
si
|
|
Adjective/Adverb
|
Quality
|
fatigué
|
|
Que
|
Connector
|
que
|
|
Result Clause
|
Consequence
|
il dort
|
Contractions
| Full | Contracted |
|---|---|
|
que il
|
qu'il
|
|
que elle
|
qu'elle
|
|
que on
|
qu'on
|
Meanings
This structure is used to emphasize the intensity of a quality or action, leading to a logical consequence.
Intensity leading to result
The degree of an adjective or adverb is so high that it triggers an outcome.
“Elle parle si vite que je ne comprends rien.”
“Le film était si long que nous nous sommes endormis.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Si + Adj + que
|
Il est si grand qu'il touche le plafond.
|
|
Negative
|
Ne pas si + Adj + que
|
Il n'est pas si grand que ça.
|
|
Question
|
Est-il si + Adj + que
|
Est-il si grand qu'il touche le plafond?
|
|
Adverbial
|
Si + Adv + que
|
Il court si vite qu'il gagne.
|
|
Feminine
|
Si + Adj(f) + que
|
Elle est si belle qu'on la regarde.
|
|
Plural
|
Si + Adj(pl) + que
|
Ils sont si forts qu'ils gagnent.
|
Formality Spectrum
Il fait si beau que nous sortons. (Casual conversation)
Il fait si beau qu'on sort. (Casual conversation)
Il fait si beau qu'on va sortir. (Casual conversation)
Il fait trop beau, on sort ! (Casual conversation)
The Si... Que Bridge
Intensity
- Si So
Quality
- Adjectif Adjective
Consequence
- Que That
Examples by Level
Il est si grand.
He is so tall.
C'est si bon.
It is so good.
Elle est si belle.
She is so beautiful.
C'est si facile.
It is so easy.
Il est si fatigué qu'il dort.
He is so tired that he is sleeping.
C'est si cher que je ne l'achète pas.
It is so expensive that I am not buying it.
Il fait si beau que nous sortons.
It is so nice out that we are going out.
Elle est si gentille que tout le monde l'aime.
She is so kind that everyone likes her.
Le film était si ennuyeux que nous sommes partis.
The movie was so boring that we left.
Il a parlé si doucement que je n'ai rien entendu.
He spoke so softly that I heard nothing.
La maison est si petite qu'on ne peut pas y vivre.
The house is so small that one cannot live there.
Elle est si douée qu'elle a réussi facilement.
She is so gifted that she succeeded easily.
La situation est si critique qu'une intervention est nécessaire.
The situation is so critical that an intervention is necessary.
Il était si absorbé par son travail qu'il a oublié l'heure.
He was so absorbed in his work that he forgot the time.
Elle a agi si imprudemment qu'elle a causé un accident.
She acted so recklessly that she caused an accident.
Le paysage était si magnifique que j'en ai eu le souffle coupé.
The landscape was so magnificent that it took my breath away.
Il est si imbu de sa personne qu'il ignore les conseils d'autrui.
He is so full of himself that he ignores others' advice.
La loi est si ambiguë qu'elle prête à confusion.
The law is so ambiguous that it leads to confusion.
Il est si peu probable qu'il vienne que je ne l'attends plus.
It is so unlikely that he will come that I am no longer waiting for him.
Elle est si perspicace qu'elle a deviné nos intentions.
She is so perceptive that she guessed our intentions.
Il est si profondément ancré dans ses convictions qu'aucun argument ne l'ébranle.
He is so deeply rooted in his convictions that no argument shakes him.
La mélodie est si éthérée qu'elle semble venir d'un autre monde.
The melody is so ethereal that it seems to come from another world.
Il est si scrupuleux qu'il vérifie chaque détail.
He is so scrupulous that he checks every detail.
La complexité est si inhérente au système qu'il est impossible de le simplifier.
Complexity is so inherent to the system that it is impossible to simplify it.
Easily Confused
Both mean 'so', but they have different grammatical requirements.
Both express intensity, but only 'si' leads to a consequence.
Both can mean 'so', but 'aussi' is for comparisons.
Common Mistakes
Il est très grand que...
Il est si grand que...
Il a si mangé que...
Il a tellement mangé que...
Elle est si fatigué que...
Elle est si fatiguée que...
C'est si que...
C'est si [adj] que...
Sentence Patterns
Il est ___ ___ qu'il est fatigué.
Elle court ___ ___ qu'elle gagne.
C'est ___ ___ qu'on ne peut pas le faire.
La situation est ___ ___ qu'il faut agir.
Real World Usage
Ce film est si bon que je l'ai vu trois fois !
Je suis si fatigué que je dodo.
Le projet était si complexe que j'ai dû apprendre de nouveaux outils.
La vue est si belle que je ne veux pas partir.
La pizza est si chaude que je dois attendre.
La théorie est si abstraite qu'elle nécessite une explication.
Check your agreement
Don't use 'très'
Use 'tellement' for verbs
Natural flow
Smart Tips
Swap 'très' for 'si' if you are going to explain the result.
Ask yourself: am I describing a quality (si) or an action (tellement)?
Use 'si... que' to add precision to your descriptions.
Remember to contract 'que' to 'qu'' before vowels.
Pronunciation
Liaison
When 'que' is followed by a vowel, it becomes 'qu''.
Rising-Falling
Il est SI grand / qu'il touche le plafond.
Emphasis on the intensity.
Memorize It
Mnemonic
Si is the 'So' that starts the show, Que is the 'That' that brings the result.
Visual Association
Imagine a balloon inflating (Si) until it pops (Que).
Rhyme
Si for the quality, Que for the reality.
Story
Pierre was so hungry (si affamé) that he ate the whole cake (que il a mangé le gâteau). He felt so sick (si malade) that he went to bed (que il est allé au lit).
Word Web
Challenge
Write 3 sentences about your day using 'si... que' in 5 minutes.
Cultural Notes
Used frequently in daily life to express strong opinions.
Similar usage, but often more informal.
Standard usage, often combined with local expressions.
Derived from Latin 'sic', meaning 'thus' or 'so'.
Conversation Starters
Quel film est si bon que tu veux le revoir ?
Quelle ville est si belle que tu veux y habiter ?
Quel plat est si épicé que tu ne peux pas le manger ?
Quelle tâche est si difficile que tu as besoin d'aide ?
Journal Prompts
Common Mistakes
Test Yourself
Il est ___ grand qu'il touche le plafond.
Elle est ___ (fatigué/fatiguée) qu'elle dort.
Find and fix the mistake:
Il est très fatigué qu'il dort.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
She is so happy that she is singing.
Answer starts with: Ell...
Il a ___ mangé qu'il est malade.
Le vent est ___ fort que les arbres tombent.
Find and fix the mistake:
Ils sont si fort qu'ils gagnent.
Score: /8
Practice Exercises
8 exercisesIl est ___ grand qu'il touche le plafond.
Elle est ___ (fatigué/fatiguée) qu'elle dort.
Find and fix the mistake:
Il est très fatigué qu'il dort.
que / il / si / est / grand / qu'il / touche / le / plafond
She is so happy that she is singing.
Il a ___ mangé qu'il est malade.
Le vent est ___ fort que les arbres tombent.
Find and fix the mistake:
Ils sont si fort qu'ils gagnent.
Score: /8
Practice Bank
10 exercisesElle est ___ contente ___ elle danse.
Les filles sont si fatigué qu'elles dorment.
reorder: [si / est / il / qu' / intelligent / il / gagne]
The book is so long that it is boring.
Which one is correct?
Il est ___ gentil. (No result shown)
Match the phrases:
reorder: [si / est / ce / beau / qu' / incroyable / c'est]
Tu parles ___ vite ___ je ne comprends pas.
C'est si triste que ils pleurent.
Score: /10
FAQ (8)
No, 'très' does not express a consequence. Use 'si' when you want to connect to a 'que' clause.
No, 'si' is an adverb and stays the same. Only the adjective following it changes.
The adjective must be plural, but 'si' remains 'si'.
It is neutral and used in all registers.
Yes, it is perfectly acceptable in professional and personal emails.
'Si' is for adjectives/adverbs, 'tellement' is for verbs/nouns.
Yes, 'Il n'est pas si fatigué que ça.'
It is a standard contraction in French when 'que' precedes a vowel.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
tan... que
The word is 'tan' instead of 'si'.
so... dass
German uses a conjunction 'dass' which triggers a specific word order.
so... that
English 'so' is a direct cognate but has different grammatical constraints.
〜すぎて (sugite)
Japanese uses a suffix rather than a separate word construction.
لدرجة أن (li-darajat an)
It is a noun-based phrase rather than an adverbial structure.
这么...以至于 (zhème... yǐ zhìyú)
It is a more formal, multi-word construction.
Learning Path
Prerequisites
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