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What is a Sentence? A Beginner’s Grammar Guide for Kids

Understanding a sentence might sound simple, but it’s the first big step in learning grammar correctly! Whether you’re just starting Key Stage 1 or brushing up in Key Stage 2, this quick grammar guide for kids will help you master basic sentence structure in a fun and easy way.

So, What is a Sentence?

A sentence is a group of words that makes complete sense on its own.
It starts with a capital letter and ends with a full stop (.), question mark (?) or exclamation mark (!).

Think of it like a mini-story – every sentence tells us something. What is a Prime Number?

Example: The cat is sleeping.
This is a sentence because it makes complete sense!

Parts of a Sentence

To understand sentences, you need to know their building blocks:

1. Subject – Who or what the sentence is about

The dog barked.

2. Verb – What the subject is doing

The dog barked.

Sometimes, a sentence might also include:

  • Object – What the subject is acting upon
  • Description – Extra details to make the sentence more interesting

The happy dog barked at the postman. 

Why Sentences Matter

  • Helps you express your ideas clearly
  • Makes your writing fun to read
  • Improves your English skills for school and beyond

Types of Sentences (with Examples)

Statement – Gives information

I love chocolate biscuits.

Question – Asks something

Do you like ice cream?

Exclamation – Shows strong feeling

That’s amazing!

Command – Tells someone to do something

Close the door, please.

Fun Grammar Tip!

Want to check if something is a sentence? Ask yourself: Does it make sense all by itself? If yes, great! If no, it might just be a phrase.

Common Mistakes Kids Make

  • Forgetting capital letters and full stops
  • Using too many ideas in one sentence
  • Leaving out the subject or verb

Ran to the park. (Who ran?)
Liam ran to the park.

Learning Sentences Can Be Fun!

Try these activities:

  • Write one sentence every day about your day
  • Mix and match subjects and verbs to make silly sentences
  • Play sentence-building games online or with flashcards

Final Words 

Learning to write good sentences is a superpower! It helps you do better in school, write amazing stories, and speak clearly. Start small, practise every day, and soon you’ll be a sentence superstar! Enrol for Online Tutoring UK

FAQs – Sentences for Kids

Q1: What is the shortest sentence?

A: The shortest sentence is just one word: Go! It has a subject understood (You) and a verb.

Q2: Can a sentence be a question?

A: Yes! If it asks something and makes sense, it’s a sentence. Example: Are you okay?

Q3: How many words should a sentence have?

A: There’s no fixed number, but it should have at least a subject and a verb. Even 2–3 words can be a proper sentence!

Q4: What’s the difference between a sentence and a phrase?

A: A phrase is just a group of words without a full idea. A sentence gives a complete message.