B1 Prepositions 15 min read Facile

Dépendre des personnes et des choses (Rely on)

Pour exprimer la nécessité et la confiance en anglais, tu as deux mots magiques : depend on et rely on. N'oublie jamais le on !

Grammar Rule in 30 Seconds

Use 'on' after 'depend' and 'rely' to show that one thing is decided by or needs another.

  • Always use 'on' after depend, never 'of' or 'from'. Example: 'It depends on the weather.'
  • Use 'rely on' when you trust someone or need them for help. Example: 'I rely on my alarm.'
  • When followed by a verb, use the -ing form. Example: 'Success depends on working hard.'
Subject + 🔗 (depend/rely) + ON + 📦 (Object)

Overview

Qui appelles-tu quand ton téléphone s'éteint au milieu d'une ville inconnue, ou que ton Wi-Fi coupe pendant une session de jeu cruciale ?
Nous avons tous des choses et des personnes dont nous avons besoin pour passer la journée. C'est peut-être cette tasse de café géante le matin. Ou peut-être ton meilleur ami qui écoute toujours tes plaintes.
En anglais, quand nous parlons d'avoir besoin de quelqu'un ou de quelque chose pour fonctionner correctement ou pour nous aider, nous utilisons le phrasal verb rely on. C'est l'une de ces phrases 'colle' qui maintiennent tes conversations quotidiennes ensemble. Pense-y comme à la version verbale d'un filet de sécurité.
Que tu parles de ton chauffeur Uber qui trouve ta maison ou de ton ordinateur portable qui tient pendant un cours de trois heures, rely on est ton expression préférée. C'est simple, c'est puissant, et honnêtement, nous l'utilisons beaucoup plus que nous ne le réalisons. Si tu ne peux pas imaginer ta vie sans tes playlists Spotify, tu rely on (comptes sur) elles pour ton moral.
Si tu as besoin de ton réveil pour te lever pour ce cours de 8h du matin, tu rely on (comptes sur) lui pour sonner fort. Tout est une question de confiance et de nécessité.

How This Grammar Works

Ce point de grammaire est un 'phrasal verb'. Ça a l'air chic, mais ça veut juste dire un verbe (rely) plus un petit mot appelé préposition (on). Ensemble, ils créent un nouveau sens qui est différent du mot 'rely' tout seul.
En fait, en anglais moderne, tu ne verras presque jamais rely sans son meilleur ami on. Ils forment un pack indissociable, comme Netflix et détente. Le verbe rely se comporte comme n'importe quel verbe régulier.
Tu le changes en fonction de qui fait l'action et quand il la fait. La partie on ne change jamais. Elle reste exactement là où elle est.
Tu peux rely on (compter sur) une personne (comme ta mère), une chose (comme ta voiture), ou même un système (comme le bus public). C'est une façon de montrer que sans cette personne ou cette chose, tu pourrais avoir des ennuis. C'est la différence entre 'J'aime mon téléphone' et 'I rely on (je compte sur) mon téléphone pour tout'.
L'un est une préférence ; l'autre est une stratégie de survie !

Formation Pattern

1
Pour construire une phrase avec rely on, suis ces étapes simples :
2
Commence par le Sujet (la personne qui a besoin d'aide).
3
Ajoute la forme correcte du verbe rely.
4
Fais toujours suivre par le mot on.
5
Termine par l'Objet (la personne ou la chose utilisée).

Conjugation Table

(Voir le tableau anglais pour référence)

When To Use It

Tu utiliseras rely on dans presque tous les aspects de ta vie moderne. Voici quelques scénarios courants :
  • Technologie : 'I rely on my noise-canceling headphones to study'. En 2024, nous comptons sur la technologie pour tout, de la livraison de nourriture aux rencontres.
  • Relations : 'Can I rely on you to keep a secret ?'. C'est essentiel pour l'amitié et la confiance.
  • Habitudes quotidiennes : 'I rely on caffeine to function before noon'. On s'y reconnaît tous, non ?

Common Mistakes

  • La mauvaise préposition : Beaucoup de gens essaient de dire rely in ou rely to. C'est une grosse erreur. C'est toujours rely on.
  • Oublier le 'S' : En parlant d'une personne (il, elle), tu dois dire relies.

Quick FAQ

(Voir la section FAQ en anglais)

Conjugating 'Depend On'

Subject Affirmative Negative Question
I
depend on
don't depend on
Do I depend on...?
You
depend on
don't depend on
Do you depend on...?
He/She/It
depends on
doesn't depend on
Does it depend on...?
We
depend on
don't depend on
Do we depend on...?
They
depend on
don't depend on
Do they depend on...?

Common Conversational Shortcuts

Full Phrase Short Form Context
It depends on the situation.
It depends.
General response to a question.
That depends on what you want.
Depends.
Very informal/casual.
I am relying on you.
I'm relying on you.
Standard contraction.

Meanings

To be determined or conditioned by something else, or to trust/need someone or something for support.

1

Contingency

When one event is only possible if another event happens first.

“Our trip depends on whether I get my bonus.”

“The price depends on the size of the room.”

2

Trust/Reliability

To have confidence in someone or something to perform a task.

“You can always depend on Sarah to be on time.”

“I rely on my car to get to work every day.”

3

Financial/Physical Support

To need someone or something in order to survive or function.

“Many children depend on their parents until they are 20.”

“The local economy relies on tourism.”

Reference Table

Reference table for Dépendre des personnes et des choses (Rely on)
Verbe Sens Principal Exemples Courants Préposition
Depend
Nécessité, conditionnalité, influence
My mood depends on coffee. Plans depend on weather.
on
Rely
Confiance, fiabilité, soutien
I rely on my friends. The system relies on data.
on
Count
Attente, assurance, confiance (interchangeable avec rely)
You can count on me. I count on my alarm.
on
Be dependent
Besoin fort, parfois connotation négative
He is dependent on medication. Child is dependent on parents.
on
Independent
Ne pas avoir besoin de, non contrôlé par
She is financially independent. Decisions are independent of feelings.
of

Spectre de formalité

Formel
The event's commencement is contingent upon favorable weather conditions.

The event's commencement is contingent upon favorable weather conditions. (Planning an outdoor activity)

Neutre
The picnic depends on the weather.

The picnic depends on the weather. (Planning an outdoor activity)

Informel
It depends on the weather.

It depends on the weather. (Planning an outdoor activity)

Argot
Depends on the rain, I guess.

Depends on the rain, I guess. (Planning an outdoor activity)

Depend/Rely On : Concepts Clés

DEPEND/RELY ON

Depend On

  • Nécessité Needs something to happen
  • Condition Outcome is conditional
  • Influence Affected by something

Rely On

  • Confiance Faith in reliability
  • Assurance Assurance of support
  • Stabilité Counting on consistency

Éléments Communs

  • Préposition 'ON' Always used after verb
  • Objets Nouns, pronouns, gerunds
  • Niveau B1 Intermediate grammar

Depend On vs. Rely On vs. Count On

Depend On (dépendre de)
Plans depend on weather. Le résultat est conditionnel.
Grades depend on study. Nécessité pour le résultat.
Life depends on water. Essentiel à l'existence.
Rely On (compter sur)
Rely on friends for support. Confiance en les personnes.
Rely on alarm clock. Confiance dans la constance.
Rely on data for decisions. Confiance en l'information.
Count On (compter sur)
Count on me to help. Attente d'une action.
Count on good luck. Anticiper un résultat positif.
Count on system working. Assurance du fonctionnement.

Choisir 'Depend On' ou 'Rely On'

1

La phrase parle-t-elle d'une *nécessité* ou d'une *condition* pour un résultat ?

YES
Utilise `DEPEND ON`.
NO
Passe à l'étape suivante.
2

La phrase parle-t-elle de *confiance* ou d'*assurance* dans la stabilité ou le soutien de quelqu'un/quelque chose ?

YES
Utilise `RELY ON` (ou `count on`).
NO
Réévalue si `depend on/rely on` est le meilleur choix.

De quoi Dépends-tu / Sur quoi Compte-tu ?

🧑‍🤝‍🧑

Personnes

  • Friends
  • Family
  • Colleagues
  • Experts
📱

Choses/Systèmes

  • Phone
  • Internet
  • GPS
  • Software
💡

Concepts Abstraits

  • Luck
  • Data
  • Experience
  • Circumstances
☁️

Conditions

  • Weather
  • Funding
  • Availability
  • Performance

Exemples par niveau

1

It depends on the rain.

Depende de la lluvia.

2

I depend on my dad.

Dependo de mi papá.

3

Does it depend on the time?

¿Depende de la hora?

4

It doesn't depend on me.

No depende de mí.

1

We rely on our car every day.

Confiamos en nuestro coche todos los días.

2

The price depends on the color.

El precio depende del color.

3

I am relying on you to help me.

Estoy contando contigo para que me ayudes.

4

It depends on the day of the week.

Depende del día de la semana.

1

Our future depends on making the right choice now.

Nuestro futuro depende de tomar la decisión correcta ahora.

2

I rely on my phone for almost everything.

Dependo de mi teléfono para casi todo.

3

Whether we win depends on how hard we practice.

Si ganamos depende de cuánto practiquemos.

4

He relies on his sister for emotional support.

Él depende de su hermana para apoyo emocional.

1

The success of the project depends on everyone's cooperation.

El éxito del proyecto depende de la cooperación de todos.

2

You shouldn't rely on luck to pass the exam.

No deberías confiar en la suerte para aprobar el examen.

3

The company relies heavily on overseas sales.

La empresa depende en gran medida de las ventas en el extranjero.

4

It all depends on what the manager decides.

Todo depende de lo que decida el gerente.

1

The theory depends on several unproven assumptions.

La teoría depende de varias suposiciones no probadas.

2

The elderly often rely on the state for their pension.

Los ancianos a menudo dependen del estado para su pensión.

3

The outcome depends on the jury's interpretation of the law.

El resultado depende de la interpretación de la ley por parte del jurado.

4

She relies on her intuition when making difficult decisions.

Ella confía en su intuición al tomar decisiones difíciles.

1

The stability of the bridge depends on the integrity of its pillars.

La estabilidad del puente depende de la integridad de sus pilares.

2

The narrative relies on the reader's ability to infer meaning.

La narrativa depende de la capacidad del lector para inferir el significado.

3

Whether the treaty is signed depends on the resolution of the border dispute.

Que se firme el tratado depende de la resolución de la disputa fronteriza.

4

The ecosystem relies on a delicate balance between species.

El ecosistema depende de un delicado equilibrio entre las especies.

Facile à confondre

Depending on People and Things (Rely on) vs Depend on vs. Independent of

Learners see 'depend on' and assume 'independent' also takes 'on'.

Depending on People and Things (Rely on) vs Depend on vs. According to

Both can be used to show a relationship between two things.

Depending on People and Things (Rely on) vs Rely on vs. Trust

Learners use 'trust on' because of 'rely on'.

Erreurs courantes

It depends of the weather.

It depends on the weather.

In English, we never use 'of' with depend.

I depend from my parents.

I depend on my parents.

Even though you come 'from' parents, you depend 'on' them.

It depend on you.

It depends on you.

Don't forget the 's' for the third person singular (it).

I rely of my car.

I rely on my car.

Rely follows the same 'on' rule as depend.

It depends on go now.

It depends on going now.

After a preposition, you must use the -ing form of a verb.

I am depend on you.

I depend on you.

Depend is a verb, not an adjective. You don't need 'am'.

It depends on how is the weather.

It depends on how the weather is.

This is an indirect question; the word order should be Subject + Verb.

I rely on he to help.

I rely on him to help.

Use object pronouns (him, her, them) after the preposition 'on'.

It depends on if it rains.

It depends on whether it rains.

While 'if' is common in speech, 'whether' is more grammatically precise after a preposition.

The movie depends of a good script.

The movie depends on a good script.

Even in abstract contexts, the preposition remains 'on'.

The results are dependent of the sample size.

The results are dependent on the sample size.

The adjective 'dependent' also takes 'on'.

Structures de phrases

It depends on ___.

I rely on ___ to ___.

Whether we ___ depends on ___.

Success depends on ___ing ___.

Real World Usage

Texting a friend constant

Can't say yet, depends on when I finish.

Job Interview common

I rely on my organizational skills to meet deadlines.

Travel Planning very common

Our route depends on the road conditions.

Social Media Bio occasional

Relying on coffee and kindness.

Financial Advice common

Don't rely on a single source of income.

Weather Forecast very common

The flood risk depends on tonight's rainfall.

💡

Toujours utiliser 'on'

N'oublie jamais que 'depend' et 'rely' ont *toujours* besoin de la préposition 'on'. C'est l'erreur la plus commune, alors vérifie bien tes phrases !
My mood depends on coffee.
🎯

Confiance vs. Besoin

Pense à 'rely on' quand tu fais confiance à quelqu'un ou quelque chose (comme un ami ou un système fiable). Utilise 'depend on' quand une chose a 'besoin' d'une autre pour exister ou arriver (comme tes plans qui dépendent de la météo).
I rely on my friends.
⚠️

Nuance de 'dependent on'

Fais attention avec l'adjectif 'dependent on'. Bien que similaire, il peut parfois sous-entendre un besoin fort, voire malsain, ou un manque d'indépendance, contrairement au verbe 'depend on' qui est plus neutre.
He is dependent on medication.
🌍

Le contexte est roi

Dans beaucoup de cultures, exprimer directement la dépendance peut être moins courant. En anglais, c'est très naturel de parler de ce dont tu 'depend on' ou 'rely on' chaque jour, de ta technologie à tes amis.
I depend on my phone.

Smart Tips

Stop and visualize a person sitting ON a chair. The person depends ON the chair.

It depends of the time. It depends on the time.

Always add -ing. Prepositions are like glue that only sticks to -ing verbs.

It depends on finish the work. It depends on finishing the work.

Use 'rely on' instead of 'need' when talking about tools or people.

I need my team. I rely on my team.

Start with 'That's a good question, it depends on...' to give yourself time to think.

I don't know. It depends on a few factors.

Prononciation

/dɪˈpendɒn/

Linking 'Depend' and 'On'

In natural speech, the 'd' at the end of 'depend' often slides into the 'o' of 'on'.

/dəˈpend/

Schwa in 'Depend'

The first 'e' in 'depend' is a weak sound, almost like 'dih-pend'.

Rising on 'Depends'

It de-PENDS? ↗

Shows uncertainty or that more information is needed.

Mémorise-le

Moyen mnémotechnique

Think of the word 'ON' as a light switch. The light (the result) only turns 'ON' if you flip the switch (the condition).

Association visuelle

Imagine a person leaning 'ON' a cane. The person is the subject, the cane is the object, and the act of leaning is 'depending'. Without the cane, the person falls.

Rhyme

Whether you're weak or whether you're strong, 'depend' and 'rely' always take 'ON'.

Story

A traveler is lost in the desert. He 'depends on' his map to find the way, and he 'relies on' his last bottle of water to survive. Both the map and the water are 'on' his mind.

Word Web

oncontingenttrustsupportwhetherconditionreliable

Défi

Write three sentences about your morning routine using 'rely on' (e.g., 'I rely on coffee to wake up'). Then, write three sentences about your weekend plans using 'it depends on'.

Notes culturelles

In US business culture, being 'reliable' (someone you can rely on) is one of the highest compliments. It implies consistency and punctuality.

British speakers often use 'It depends' as a polite way to say 'no' or to avoid a direct answer that might be awkward.

On platforms like Patreon or YouTube, creators often say they 'rely on' their community, emphasizing a partnership rather than just a transaction.

The word 'depend' comes from the Latin 'dependere', meaning 'to hang from'.

Amorces de conversation

What does your happiness depend on?

Who do you rely on when you have a problem?

Does your job depend on using English?

What technology do you rely on the most?

Sujets d'écriture

Describe a person you rely on. What do they do for you?
Write about your dream vacation. What does the success of the trip depend on?
Discuss the concept of independence. Do you think humans can ever truly stop depending on others?
How does the economy of your country depend on international trade?

Erreurs courantes

Incorrect

Correct


Incorrect

Correct


Incorrect

Correct


Incorrect

Correct

Test Yourself

Choisis la forme correcte du verbe et de la préposition.

Our camping trip ___ the weather being sunny.

✓ Correct! ✗ Not quite. Correct answer: depends on
Le phrasal verb correct pour exprimer une condition ou une nécessité est 'depends on'. 'Relies for' et 'depend in' utilisent des prépositions incorrectes.
Quelle phrase utilise correctement 'rely on' ? Choix multiple

Choisis la phrase correcte :

✓ Correct! ✗ Not quite. Correct answer: I rely on my laptop for work.
'Rely' a toujours besoin de la préposition 'on' quand il indique ce à quoi on fait confiance ou ce dont on a besoin. Les options A et C utilisent des prépositions incorrectes.
Remets les mots dans le bon ordre pour former une phrase grammaticalement correcte. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: He still depends on his parents for money.
L'ordre correct est Sujet + adverbe + 'depends on' + objet + groupe prépositionnel.

Score: /3

Exercices pratiques

8 exercises
Fill in the missing preposition.

The success of the party depends ___ the music.

✓ Correct! ✗ Not quite. Correct answer: on
Depend always takes the preposition 'on'.
Choose the correct sentence. Choix multiple

Which sentence is correct?

✓ Correct! ✗ Not quite. Correct answer: I rely on my phone.
Rely, like depend, requires 'on'.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

It depends of how much time we have.

✓ Correct! ✗ Not quite. Correct answer: of
Change 'of' to 'on'.
Put the words in the correct order. Sentence Building

depends / it / on / weather / the

✓ Correct! ✗ Not quite. Correct answer: It depends on the weather.
The standard order is Subject + Verb + Preposition + Object.
Complete the dialogue. Dialogue Completion

A: Are you coming to the gym? B: It depends ___ I finish my work.

✓ Correct! ✗ Not quite. Correct answer: on whether
'On whether' is the most grammatically correct way to introduce a condition.
Which verb does NOT take 'on'? Grammar Sorting

Select the odd one out.

✓ Correct! ✗ Not quite. Correct answer: Trust
Trust is a direct verb (I trust you). The others require 'on'.
Match the verb with the correct context. Match Pairs

Match 'Depend on' and 'Rely on'.

✓ Correct! ✗ Not quite. Correct answer: All of the above
These are the core usage rules.
Use the correct form of the verb 'study'.

Passing the test depends on ___ every day.

✓ Correct! ✗ Not quite. Correct answer: studying
After a preposition, use the gerund (-ing) form.

Score: /8

Practice Bank

13 exercises
Choisis la préposition correcte pour compléter la phrase. Texte trous

My happiness doesn't always depend ___ how much money I have.

✓ Correct! ✗ Not quite. Correct answer: on
Trouve et corrige la faute dans la phrase. Error Correction

You can always rely him to be honest.

✓ Correct! ✗ Not quite. Correct answer: You can always rely on him to be honest.
Quelle phrase est grammaticalement correcte ? Choix multiple

Which sentence is correct?

✓ Correct! ✗ Not quite. Correct answer: The project's success relies on teamwork.
Traduis la phrase en anglais naturel. Traduction

Translate into English: 'Ella confía mucho en sus compañeros de equipo.'

✓ Correct! ✗ Not quite. Correct answer: ["She relies heavily on her teammates.","She depends heavily on her teammates."]
Remets les mots dans le bon ordre pour former une phrase. Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: We often depend on the internet for information.
Associe le début de la phrase à la bonne fin. Match Pairs

Match the sentence halves:

✓ Correct! ✗ Not quite. Correct answer: matched
Choisis la meilleure combinaison verbe et préposition. Texte trous

A healthy diet and regular exercise ___ your overall well-being.

✓ Correct! ✗ Not quite. Correct answer: depend on
Identifie et corrige la faute dans la phrase ci-dessous. Error Correction

My phone is old, so I don't really depend it anymore.

✓ Correct! ✗ Not quite. Correct answer: My phone is old, so I don't really depend on it anymore.
Sélectionne la phrase qui utilise correctement 'depend on' ou 'rely on'. Choix multiple

Which sentence is grammatically sound?

✓ Correct! ✗ Not quite. Correct answer: The success of the project relies on careful planning.
Traduis l'expression en anglais, en utilisant 'depend on' ou 'rely on'. Traduction

Translate into English: 'depender de la situación'

✓ Correct! ✗ Not quite. Correct answer: ["depend on the situation","rely on the situation"]
Remets les mots dans le bon ordre pour former une phrase cohérente. Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: Many students depend heavily on financial aid.
Associe les verbes aux prépositions correctes. Match Pairs

Match the verb to its common preposition in this context:

✓ Correct! ✗ Not quite. Correct answer: matched
Choisis la meilleure combinaison verbe et préposition. Texte trous

Our company always ___ our employees' feedback for improvement.

✓ Correct! ✗ Not quite. Correct answer: relies on

Score: /13

FAQ (8)

No. While some languages use 'from', English strictly uses `on`. Saying 'depends from' will sound incorrect to native speakers.

They are very similar! `Count on` is slightly more informal and usually refers to people. `Depend on` can be used for people, things, or logical conditions.

Yes, in conversation. If someone asks 'Are you going?', you can simply say `It depends.` It implies that there are conditions you haven't mentioned yet.

Both are used in speech, but `whether` is more formal and grammatically correct for writing. Example: `It depends on whether it rains.`

Absolutely. You can say `The plant depends on sunlight` or `The price depends on the market.`

Adding `heavily` means you need that thing very much. Example: `I rely heavily on my glasses` means you can't see at all without them.

Yes. The adjective form `dependent` also uses `on`. Example: `He is dependent on his inhaler.`

This is likely 'L1 interference.' If your native language (like Spanish or French) uses 'of', your brain tries to translate it directly. You must consciously practice the 'on' connection.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish moderate

depender de

Preposition choice: 'de' vs 'on'.

French moderate

dépendre de

French uses 'of', English uses 'on'.

German partial

abhängen von

German uses 'from', English uses 'on'.

Japanese low

...ni yoru / ...shidai

Japanese uses post-positional particles or nouns.

Arabic high

ya'tamid 'ala

Very similar logic and preposition.

Chinese low

qu jue yu

Chinese uses a full verb phrase rather than a preposition.

Learning Path

Prerequisites

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