
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.