Infinitifs sécables (aller hardiment)
Grammar Rule in 30 Seconds
A split infinitive occurs when you place an adverb between the particle 'to' and the base verb for emphasis or clarity.
- Standard: 'to' + 'verb' (to go). Split: 'to' + 'adverb' + 'verb' (to boldly go).
- Use it to avoid ambiguity: 'to quickly leave' is clearer than 'quickly to leave'.
- Modern style allows it, but some formal academic circles still prefer avoiding it.
Overview
to + verb.To boldly go where no man has gone before. Cette phrase est le pied de nez ultime aux professeurs de grammaire de la vieille école. Un infinitif scindé se produit lorsque vous placez un adverbe entre to et le verb.To go boldly. Mais To go boldly ressemble à un poème victorien.To boldly go sonne comme une mission. Au niveau C2, vous n'apprenez pas seulement des règles. Vous apprenez à les briser avec style.How This Grammar Works
to finish. Vous voulez souligner *comment* vous finissez.finally. Placez-le pile au milieu. Vous avez maintenant to finally finish.to et le verb sont le pain. L'adverbe est la délicieuse garniture. Sans la garniture, c'est juste du pain grillé nature.
Formation Pattern
to suivi du verbe racine. Exemple : to understand.
fully.
to et le verb.
to + adverb + verb. Exemple : to fully understand.
When To Use It
I want to personally thank you for the opportunity. Cela semble beaucoup plus sincère que I want to thank you personally.Utilisez-le dans l'écriture créative pour créer de la tension.
She decided to quickly leave, c'est clair.
She decided quickly to leave, a-t-elle décidé rapidement ? Ou le départ a-t-il été rapide ? Scinder l'infinitif lève le mystère.
Trying to actually live my best life. C'est plus fort que Trying to live my best life actually.
Common Mistakes
to et le verb. To as quickly as humanly possible run est un désastre. Limitez-vous à un ou deux mots. Une autre erreur est d'insérer des adverbes inutiles. Si le verbe implique déjà l'adverbe, ne le scindez pas. To loudly shout est redondant. On crie déjà fort. Évitez de scinder avec des mots négatifs comme not sauf si vous êtes très spécifique. To not go est standard. To never again see est une scission dramatique qui fonctionne. Mais to not ever go est juste désordonné. Ne scindez pas juste pour faire original. Si cela casse le rythme, c'est une erreur. Votre objectif est une ambiance fluide et sophistiquée. Pas un accident grammatical.Contrast With Similar Patterns
- Non scindé :
He prepared to enter silently.
(L'accent est mis sur l'entrée). - Scindé :
He prepared
(L'accent est mis sur le silence).to silently enter.
He silently prepared to enter.Ici, c'est la *préparation* qui était silencieuse, pas forcément l'entrée. Le placement est tout.
Quick FAQ
R: Non, c'est un choix stylistique. Même l'Oxford English Dictionary dit que c'est correct.
R: Oui, mais avec parcimonie. Utilisez-le pour la clarté, pas juste pour le plaisir.
R: Oui, mais c'est plus courant avec les verbes d'action et les états mentaux.
R: Vous pouvez, mais c'est risqué. To slowly and carefully walk est acceptable. Plus que cela, c'est le chaos.
R: Il suivait probablement des règles de 1850. Dites-lui que nous sommes en 2026. Ou montrez-lui simplement ce guide.
R: Cela rend souvent le ton plus moderne et direct.
R: Certainement To boldly go de Star Trek. L'espace : la dernière frontière, aussi pour la grammaire.
Infinitive Placement Comparison
| Type | Structure | Example | Effect |
|---|---|---|---|
|
Standard
|
to + verb + adverb
|
To go boldly
|
Neutral/Traditional
|
|
Split
|
to + adverb + verb
|
To boldly go
|
Emphatic/Rhythmic
|
|
Negative Standard
|
not + to + verb
|
Not to fail
|
Formal/Standard
|
|
Negative Split
|
to + not + verb
|
To not fail
|
Conversational/Strong
|
|
Compound Split
|
to + adv + and + adv + verb
|
To fully and clearly see
|
Highly Descriptive
|
Meanings
The practice of placing a word or phrase (usually an adverb) between 'to' and the bare infinitive form of a verb.
Emphasis
Using the split to draw specific attention to the manner of the action.
“I want you to really think about this.”
“She needs to actually try for once.”
Clarity/Ambiguity Avoidance
Splitting the infinitive to ensure the adverb modifies the correct verb in a complex sentence.
“He agreed to immediately help us (He will help now).”
“He agreed immediately to help us (The agreement happened now).”
Negative Splitting
Placing 'not' between 'to' and the verb for stylistic weight.
“The challenge is to not fail.”
“I was told to not worry.”
Reference Table
| Structure | Exemple | Effet/Nuance | Quand l'utiliser |
|---|---|---|---|
|
Split Infinitive
|
`to boldly go`
|
Emphatique, modification directe du verbe
|
Clarté, emphase, fluidité naturelle
|
|
Unsplit (Adverb Before)
|
`boldly to go`
|
Souvent maladroit, moins courant en anglais moderne
|
Rarement, voire jamais, préféré pour un seul adverbe
|
|
Unsplit (Adverb After)
|
`to go boldly`
|
Moins emphatique, peut être ambigu
|
Quand l'emphase sur l'adverbe est moins souhaitée, ou pour des adverbes spécifiques
|
|
Multiple Adverbs
|
`to very quickly understand`
|
Clarté avec plusieurs modificateurs
|
Quand la précision exige un placement soigné
|
|
Adverbial Phrase
|
`to with great skill perform`
|
Plus descriptif, mais peut devenir lourd
|
À utiliser avec parcimonie pour un effet spécifique, vérifier la fluidité
|
|
Negative Adverb
|
`to never yield`
|
Négation forte, intention claire
|
Pour exprimer un refus absolu ou une absence
|
Spectre de formalité
To understand the situation fully (General comprehension)
To fully understand the situation (General comprehension)
To really get what's going on (General comprehension)
To lowkey get the vibe (General comprehension)
L'Univers de l'Infinitif Fendu
Bénéfices
- Emphasis Accent sur l'adverbe
- Clarity Éviter l'ambiguïté
- Flow Son naturel
Exemples
- to boldly go Classique de Star Trek
- to quickly run Vitesse de l'action
- to always remember Action continue
Types d'Adverbes
- -ly adverbs Adverbes en -ly
- Short adverbs Adverbes courts
- Adverbial phrases Locutions adverbiales
Quand éviter
- Over-splitting Trop de mots
- Awkwardness Maladresse
- Formal context Lecteurs traditionnels
Infinitif Fendu vs. Non Fendu : Nuance et Impact
Dois-je Diviser Cet Infinitif ?
Améliore-t-il la clarté ou l'emphase ?
Semble-t-il naturel à la lecture à voix haute ?
Y a-t-il trop de mots qui divisent l'infinitif ?
Ton public est-il composé de grammairiens strictement traditionnels ?
Adverbes Courants pour Infinitifs Fendus
Emphase
- • truly
- • really
- • completely
- • fully
- • totally
Manière
- • quickly
- • gently
- • carefully
- • boldly
- • efficiently
Fréquence/Moment
- • always
- • never
- • often
- • soon
- • just
- • finally
Degré
- • further
- • greatly
- • radically
- • barely
Exemples par niveau
I want to really help you.
I want to really help you.
Try to slowly speak.
Try to slowly speak.
He needs to quickly run.
He needs to quickly run.
I like to always win.
I like to always win.
You need to carefully open the box.
You need to carefully open the box.
She decided to never go back.
She decided to never go back.
We hope to soon see you.
We hope to soon see you.
It is hard to perfectly cook rice.
It is hard to perfectly cook rice.
The manager asked us to seriously consider the offer.
The manager asked us to seriously consider the offer.
I was told to not touch the buttons.
I was told to not touch the buttons.
They want to significantly improve the software.
They want to significantly improve the software.
He tried to quietly enter the room.
He tried to quietly enter the room.
The government plans to further investigate the matter.
The government plans to further investigate the matter.
It is essential to properly maintain your vehicle.
It is essential to properly maintain your vehicle.
She was able to successfully complete the marathon.
She was able to successfully complete the marathon.
We need to effectively communicate our goals.
We need to effectively communicate our goals.
The witness was asked to truthfully and accurately recount the events.
The witness was asked to truthfully and accurately recount the events.
The author tends to deliberately obscure the protagonist's motives.
The author tends to deliberately obscure the protagonist's motives.
The company sought to aggressively expand its market share.
The company sought to aggressively expand its market share.
It is a mistake to simply assume that the data is correct.
It is a mistake to simply assume that the data is correct.
The diplomat's task was to subtly yet firmly convey the administration's displeasure.
The diplomat's task was to subtly yet firmly convey the administration's displeasure.
To truly understand the poem, one must look beyond the literal meaning.
To truly understand the poem, one must look beyond the literal meaning.
The board decided to irrevocably and unconditionally terminate the contract.
The board decided to irrevocably and unconditionally terminate the contract.
He was determined to not only survive but to actually thrive in the new environment.
He was determined to not only survive but to actually thrive in the new environment.
Facile à confondre
Learners often place adverbs in positions where they could modify the preceding or following verb.
Erreurs courantes
I want to really to go.
I want to really go.
To go really.
To really go.
He decided to not to eat.
He decided to not eat.
I hope to quickly and without any trouble finish.
I hope to finish quickly and without any trouble.
He failed to completely and utterly and without reservation apologize.
He failed to apologize completely, utterly, and without reservation.
Structures de phrases
It is important to ___ ___.
The goal is to ___ and ___ ___.
Real World Usage
I hope to significantly contribute to your team.
I need to literally go right now.
The study aims to better understand the underlying causes.
The parties agree to mutually terminate the agreement.
I'm about to finally post the vlog!
Be sure to thoroughly whisk the eggs.
Priorise la Clarté et la Fluidité
to boldly use cette technique !Évite la Sur-division
Écoute Ton Oreille
Connais Ton Public
Smart Tips
Try splitting the infinitive to see if it adds more 'punch' to your sentence.
Switch to 'to not' for a more modern, conversational feel.
Split the infinitive to ensure the adverb only modifies the action verb.
Do NOT split. Move the long phrase to the end of the sentence.
Prononciation
Stress the Adverb
When splitting an infinitive, the stress usually falls on the adverb to highlight the manner of the action.
Rising-Falling
to BOLDly go
Conveys confidence and emphasis.
Mémorise-le
Moyen mnémotechnique
Remember 'Star Trek': To BOLDLY go. If Captain Kirk can do it, you can too!
Association visuelle
Imagine a giant wedge (the adverb) being driven between the words 'to' and 'verb'. The wedge makes the whole structure stronger and more visible.
Rhyme
When 'to' and 'verb' are split apart, the adverb speaks from the heart.
Story
A grammarian in 1860 tried to glue 'to' and 'run' together with Latin glue. But the English language was too strong; it popped an 'adverb' right in the middle to show everyone how it's done.
Word Web
Défi
Write three sentences about your career goals using split infinitives (e.g., 'I want to significantly increase...').
Notes culturelles
Americans are generally very comfortable with split infinitives, especially in media and business.
Some older British style guides (and older generations) may still view it as a sign of 'lazy' writing, though this is changing rapidly.
The phrase 'To boldly go' from Star Trek is the most famous split infinitive in history and is often used to defend the construction.
The 'rule' against split infinitives was popularized by Henry Alford in 1864, who based it on Latin grammar.
Amorces de conversation
What is one thing you want to completely change about your routine?
In your opinion, is it better to slowly build a career or to quickly reach the top?
Sujets d'écriture
Erreurs courantes
Test Yourself
The manager asked her ___ complete the urgent task.
Find and fix the mistake:
We aim to make sure entirely that the data is accurate.
Choose the correct sentence:
Score: /3
Exercices pratiques
8 exercisesThe company needs...
If you want to win, you need ___.
Find and fix the mistake:
He decided quickly to leave the party.
I decided ___.
Splitting an infinitive is a grammatical error in modern English.
Identify the split infinitive:
A: Should I tell him the truth? B: I think you need ___.
It is easy ___.
Score: /8
Practice Bank
12 exercisesIt's important ___ remember your roots.
The company decided ___ restructure its global operations.
I need to ensure thoroughly that all safety protocols are followed.
She resolved to, after much deliberation, resign from her position.
Choose the correct sentence:
Choose the correct sentence:
Translate into English: 'El objetivo es mejorar drásticamente la calidad.'
Translate into English: 'Ella comenzó a estudiar seriamente para sus exámenes.'
Arrange these words into a sentence:
Arrange these words into a sentence:
Match the infinitive phrase beginnings with their appropriate split adverbs.
Match the split infinitive on the left with an equivalent or closest unsplit version on the right.
Score: /12
FAQ (8)
Only if it makes the sentence confusing or ugly. If you put a 10-word phrase between 'to' and the verb, it's 'wrong' stylistically, but not grammatically.
Many teachers still follow 19th-century rules based on Latin. In Latin, you can't split an infinitive because it's one word. English is different!
Yes, but 'to not' is often more emphatic. 'I chose not to go' is neutral. 'I chose to not go' sounds like a stronger decision.
Yes. Most modern academic journals and style guides (like MLA or Chicago) allow it for the sake of clarity.
It's an adverb that sits between two verbs, making it unclear which one it modifies. Splitting the infinitive solves this by 'locking' the adverb to the second verb.
Yes, e.g., 'to fully and completely understand'. Just don't overdo it, or the sentence will become hard to follow.
You can say 'to clearly be' or 'to be clearly'. Both are common, but 'to clearly be' is the split form.
The Star Trek intro: 'To boldly go where no man has gone before.'
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Infinitive + Adverb
English infinitives are two words; Spanish are one.
Infinitive + Adverb
French cannot split the verb unit.
Adverb + zu + Infinitive
German puts the adverb before the 'to' equivalent.
Adverb + Verb-form
No particle-verb structure to split.
Masdar (Verbal Noun)
Arabic uses noun-based or clause-based structures.
Adverb + Verb
No 'to' particle exists to be split from the verb.
Learning Path
Prerequisites
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