

This Grade 3 English grammar worksheet builds clear understanding of how commas are used after introductory words and phrases. Students learn to identify opening words such as time expressions, transition words, and short introductory phrases that require a comma before the main sentence begins. Through structured, age-appropriate practice, learners strengthen punctuation accuracy and sentence clarity.
The worksheet includes multiple skill-building tasks such as multiple-choice questions, true or false identification, fill in the blanks, sentence rewriting, and paragraph editing. These activities improve punctuation control, reading fluency, and writing confidence—essential skills for school assessments and Olympiad-style grammar practice.
Understanding introductory commas is important for Grade 3 learners because:
1. It teaches students how to separate opening phrases from the main clause.
2. It improves sentence flow and readability.
3. It prevents common punctuation errors.
4. It builds strong foundations for advanced writing skills.
This worksheet includes five grammar-rich activities that build fluency with commas after introductory words:
🧠 Exercise 1 – Multiple Choice Questions
Students choose the sentence that uses the comma correctly after the introductory phrase.
✔️ Exercise 2 – True or False
Students decide whether commas are used correctly in each sentence.
✏️ Exercise 3 – Fill in the Blanks
Students add a comma after the introductory word if needed, or write ✗ if not needed.
🔄 Exercise 4 – Sentence Rewriting
Students rewrite sentences by placing the comma after the correct introductory word.
📝 Exercise 5 – Paragraph Editing
Students read a short passage and add commas after introductory words where required.
Exercise 1 – Multiple Choice Questions
1. b
2. a
3. a
4. c
5. c
6. b
7. a
8. a
9. c
10. b
Exercise 2 – True or False
1. True
2. True
3. False
4. True
5. True
6. False
7. False
8. False
9. False
10. False
Exercise 3 – Fill in the Blanks (Corrected Answer Key)
1. After school, children play outside.
2. In winter, mornings feel cold.
3. Yes I ✗ want to play football.
4. At night, owls can see well.
5. Finally, we sang the school song together.
6. Before bed, Ravi drinks milk.
7. The sky ✗ looks clear today.
8. In the park, ducks swim happily.
9. First open ✗ your book.
10. After the match, everyone clapped.
Exercise 4 – Sentence Rewriting (Corrected)
1. Yes, I like reading fairy tales.
2. After work, my dad will go to the market.
3. Suddenly, the lights went out.
4. Today, we have a math test.
5. First, wash your hands.
6. Tomorrow, we will visit the zoo.
7. Finally, we finished our homework.
8. During vacation, we meet our old friends.
9. Slowly, the snail moved across the leaf.
10. On Sunday, we visit our grandparents.
Exercise 5 – Paragraph Editing (Sample Answer)
After school, Aarav walks home. In the evening, he plays outside. Before dinner, he washes his hands. At night, he reads a book. In the morning, he wakes early. After breakfast, he packs his bag. Before class, he lines up quietly. In the park, he runs fast. After lunch, he rests for a while. In the evening, he studies at home. At home, he helps his parents. After dinner, he talks with family. Before bed, he says a prayer. At night, he sleeps well. In the morning, he smiles happily.
Help your child confidently use commas after introductory words with structured punctuation practice designed for Grade 3 grammar mastery.
Introductory words are opening words like after, when, yes, or however that introduce the main idea of a sentence.
A comma separates the introductory word from the rest of the sentence, making meaning clearer in grammar worksheets.
They improve sentence flow and help Class 3 students write clearer and more structured English sentences.