

This Grade 3 grammar worksheet focuses on helping young learners understand and use conjunctions—and, but, because, and so—correctly in sentences. Through simple, child-friendly examples and progressive exercises, students learn how conjunctions join ideas, show reasons, contrast thoughts, and explain results.
By practicing real-life sentences and structured grammar tasks, learners develop confidence in choosing the right conjunction for the right context. This worksheet is ideal for classroom practice, homework, or revision and supports Grade 3 learners in building strong foundational grammar skills.
Conjunctions help students connect ideas smoothly and express complete thoughts. For Grade 3 learners, this topic is important because:
1. Conjunctions join words, phrases, and sentences.
2. They help explain reasons, results, and contrasts.
3. They improve sentence flow and clarity.
4. They support better speaking and writing skills.
This worksheet includes five structured grammar activities:
Exercise 1 – Fill in the Blanks
Students complete sentences using suitable conjunctions from a word bank.
Exercise 2 – True or False
Students identify whether the conjunction in each sentence is used correctly.
Exercise 3 – Multiple Choice Questions
Students choose the correct conjunction to complete each sentence.
Exercise 4 – Sentence Rewriting
Students replace incorrect conjunctions with correct ones from the given options.
Exercise 5 – Paragraph Writing
Students write a short paragraph using all four conjunctions correctly.
Exercise 1 – Fill in the Blanks
1. and
2. because
3. but
4. so
5. and
6. so
7. because
8. and
9. because
10. so
Exercise 2 – True or False
1. True
2. False
3. True
4. False
5. False
6. True
7. False
8. True
9. True
10. False
Exercise 3 – Multiple Choice Questions
1. so
2. but
3. so
4. because
5. because
6. and
7. so
8. because
9. but
10. and
Exercise 4 – Rewrite the Sentences
1. I was hungry because I did not eat food.
2. She is short but she is very strong.
3. Raj missed the class because he was ill.
4. It was raining so we stayed indoors.
5. Meera worked hard but she did not pass.
6. The floor was wet, so I walked carefully.
7. The dog and the cat are in the garden.
8. The teacher entered the class and wrote on the board.
9. Ravi ran fast but he came last.
10. The shop was closed because it was a holiday.
Exercise 5 – Paragraph Writing
Answers may vary.
Help your child build clear and connected sentences with this Grade 3 conjunctions worksheet.
They connect words or sentences to show addition, contrast, reason, or result, which is essential in Class 3 grammar learning.
But shows contrast, while and adds information, a distinction children learn through guided grammar worksheets.
By practicing sentence-joining exercises that strengthen logical thinking and writing flow.