Keep sb in Meaning, Examples & How to Use This Phrasal Verb

What Does โ€œKeep sb inโ€ Mean?

โ€œKeep sb inโ€ means to prevent someone from leaving a place, often for safety, health, or control reasons.

Introduction

The phrasal verb โ€œkeep sb inโ€ is commonly used in English to describe situations where someone is not allowed to leave a location. This can happen for different reasons such as illness, punishment, or protection. Understanding the โ€œkeep sb in meaningโ€ helps learners use it properly in both formal and informal contexts. It is often used by doctors, teachers, and parents when they want to control or care for someone by keeping them inside or in a specific place.

Quick Info Box

  • Phrasal verb: keep somebody in
  • Type: transitive
  • Level: B1
  • Short meaning: to not allow someone to leave a place

Structure (Grammar Rules)

โ€œKeep sb inโ€ is a transitive phrasal verb. It is separable, meaning the object (somebody) can come between โ€œkeepโ€ and โ€œinโ€ or after โ€œin.โ€

  • Keep somebody in
  • Keep in somebody (less common but possible in some contexts)

Examples of correct structure:

  • The nurse kept the patient in after the surgery.
  • They decided to keep in the children during the storm.

How to Use โ€œKeep sb inโ€?

You use โ€œkeep sb inโ€ when you want to express that someone is being prevented from leaving a place. This is often for reasons like illness, safety, or discipline. It is commonly used in medical, educational, and family settings.

Examples of contexts:

  • A doctor keeping a patient in the hospital for observation.
  • A teacher keeping a student in the classroom after school as a punishment.
  • A parent keeping a child inside during bad weather.

Examples

Imagine a situation where a child is not allowed to go outside because of bad weather. You might say:

  • โ€œWe have to keep the kids in until the storm passes.โ€
  • The doctor decided to keep the patient in overnight for further tests.
  • Because of her injury, the coach kept her in during practice.
  • They kept him in the office to finish the report.
  • The school kept the students in after classes for extra lessons.

Here, โ€œkeep sb in in a sentenceโ€ shows control or prevention of leaving.

Common Mistakes

Sometimes learners confuse โ€œkeep sb inโ€ with other similar phrases. Here are some common errors:

  • Incorrect: Keep in the children during the storm.
  • Correct: Keep the children in during the storm.
  • Incorrect: The doctor kept in the patient after surgery.
  • Correct: The doctor kept the patient in after surgery.

Remember, the object (sb) usually comes between โ€œkeepโ€ and โ€œin.โ€

Differences / Synonyms

โ€œKeep sb inโ€ is similar to โ€œconfine sb,โ€ โ€œdetain sb,โ€ or โ€œhold sb back,โ€ but each has a different tone and use.

  • Confine sb: Suggests restricting someone to a place, often more formal or legal.
  • Detain sb: Usually used by police or authorities to hold someone temporarily.
  • Hold sb back: Means to prevent progress or movement but often used metaphorically.

โ€œKeep sb inโ€ is softer and more common in everyday speech, especially in health or caring contexts.

Common Collocations

Some common objects or nouns used with โ€œkeep sb inโ€ include:

  • Patient: to prevent a patient from leaving a hospital
  • Child/children: to keep kids inside for safety
  • Student: to keep a student after class as a punishment
  • Employee: to keep an employee at work longer
  • Guest: to keep guests inside during bad weather

Related Phrasal Verbs

Here are related phrasal verbs of keep sb in:

Real-life Dialogue

Here is a short conversation using โ€œkeep sb inโ€:

Mom: The weather looks bad today. We should keep the kids in.

Dad: Good idea. Itโ€™s safer than letting them play outside.

Mom: The doctor said they need to keep him in for another night.

Dad: I hope he feels better soon.

Practice

Choose the correct option to complete the sentence:

They decided to _______ the students _______ after school for extra help.

  • a) keep / in
  • b) keep in / students
  • c) keep / out

Answer: a) keep / in

FAQs

  • What does โ€œkeep sb inโ€ mean? It means to prevent someone from leaving a place.
  • Is โ€œkeep sb inโ€ separable? Yes, the object usually goes between โ€œkeepโ€ and โ€œin.โ€
  • Can โ€œkeep sb inโ€ be used for punishment? Yes, teachers often use it to keep students after class.
  • Is โ€œkeep sb inโ€ formal or informal? It is commonly used in both formal and informal contexts.
  • What is a synonym for โ€œkeep sb inโ€? Confine or detain can be synonyms depending on context.

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