The Comma - Practice Exercises - Add Commas Where Necessary

Sep 15, 2026

Uploaded by Violet

A focused comma usage workbook titled “The Comma: Practice Exercises” that trains sentence punctuation through 28 guided examples. Each item presents a draft sentence where commas are missing or incorrect, followed by a provided answer key showing the correct punctuation placements. The exercises cover common comma rules such as separating clauses, introductory elements, nonessential modifiers, appositives, and lists, using realistic academic and everyday contexts for clear practice.

LanguageEnglish

CategoryExam

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Add commas where necessary

Practice sentences

Answer key

The Comma: Practice Exercises Add commas where necessary. 1. The student explained her question yet the instructor still didn’t seem to understand. 2. Yesterday was her brother’s birthday so she took him out to dinner. 3. While I was eating the cat scratched the door. 4. Because her alarm clock was broken she was late for class. 5. If time permits we will continue the roundtable discussion on sustainability. 6. To get ahead in life one must do things that others are not willing to do. 7. Having finished the test he left the room. 8. For example younger generations have lost the ability to sew a button back on a shirt. 9. Students who cheat only harm themselves. 10. It is up to you Jane to finish the report. 11. Apples which are my favourite fruit are the main ingredient in this recipe. 12. The candidate who had raised the least amount of money lost the election. 13. She was however too tired to make the trip. 14. The science fiction movie that he saw made him question the existence of aliens. 15. Professor Plum grinning from ear to ear announced that the exam would be tomorrow. 16. The Constitution establishes the legislative executive and judicial branches of government. 17. The candidate promised to lower taxes protect the environment reduce crime and end unemployment. 18. The prosecutor argued that the defendant who was at the scene of the crime who hada strong revenge motive and who had access to the murder weapon was guilty of homicide. 19. He was a difficult stubborn child. 20. They lived in a white frame house. 21. She often wore a gray wool shawl. 22. Your cousin has an easy happy smile. 23. "I was able" she answered "to complete the assignment. " 24. In 1848 Marx wrote "Workers of the world unite!" 25. Birmingham Alabama gets its name from Birmingham England. 26. July 22 1959 was a momentous day in his life. 27. Who lives at 1600 Pennsylvania Avenue Washington DC? 28. Rachel B. Lake MD will be the principal speaker. BU Writing Centre, Library Learning Commons, Flick, 2022 Adapted from [https://owl.purdue.edu/owl/general_writing/punctuation/commas/extended_rules_for_commas.html](https://owl.purdue.edu/owl/general_writing/punctuation/commas/extended_rules_for_commas.html) Answer Key 1. The student explained her question, yet the instructor still didn’t seem to understand. 2. Yesterday was her brother’s birthday, so she took him out to dinner. 3. While I was eating, the cat scratched the door. 4. Because her alarm clock was broken, she was late for class. 5. If time permits, we will continue the roundtable discussion on sustainability. 6. To get ahead in life, one must do things that others are not willing to do. 7. Having finished the test, he left the room. 8. For example, younger generations have lost the ability to sew a button back on a shirt. 9. Students who cheat only harm themselves. 10. It is up to you, Jane, to finish the report. 11. Apples, which are my favourite fruit, are the main ingredient in this recipe. 12. The candidate who had raised the least amount of money lost the election. 13. She was, however, too tired to make the trip. 14. The science fiction movie that he saw made him question the existence of aliens. 15. Professor Plum, grinning from ear to ear, announced that the exam would be tomorrow. 16. The Constitution establishes the legislative, executive, and judicial branches of government. 17. The candidate promised to lower taxes, protect the environment, reduce crime, and end unemployment. 18. The prosecutor argued that the defendant, who was at the scene of the crime, who hada strong revenge motive, and who had access to the murder weapon, was guilty of homicide. 19. He was a difficult, stubborn child. 20. They lived in a white frame house. 21. She often wore a gray wool shawl. 22. Your cousin has an easy, happy smile. 23. "I was able," she answered, "to complete the assignment. " 24.

FAQs

What is the purpose of “The Comma: Practice Exercises”?

It teaches correct comma placement by having learners add commas where necessary in a set of practice sentences.

Are solutions provided for each exercise?

Yes. The document includes an Answer Key that shows the corrected versions of all sentences.

What kinds of comma rules are practiced?

The sentences target common applications such as separating clauses, using commas with introductory elements, setting off nonessential information, and punctuating items in series.

Sep 15, 2026

Uploaded by Violet