Grammar worksheet for students to practice placing commas correctly in sentences.
A homework worksheet titled "Homework" from Learn Bright, featuring 25 sentences with instructions to write commas where needed. The worksheet includes a space for the student's name and date at the top.
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Show Answer Key & Explanations
Step-by-step solution for: Commas
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Show Answer Key & Explanations
Step-by-step solution for: Commas
Let's go through each sentence and add commas where they are needed. I'll explain the rules as we go.
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1. On the last day of the year it is a great time to review your accomplishments.
✔ Corrected: *On the last day of the year, it is a great time to review your accomplishments.*
Explanation: A comma is needed after an introductory phrase ("On the last day of the year") to separate it from the main clause.
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2. Because of the snow school will be canceled until further notice.
✔ Corrected: *Because of the snow, school will be canceled until further notice.*
Explanation: Use a comma after an introductory prepositional phrase ("Because of the snow").
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3. Sure I can help you move on Saturday.
✔ Corrected: *Sure, I can help you move on Saturday.*
Explanation: "Sure" is an interjection at the beginning of the sentence — it needs a comma after it.
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4. There are people lined up at the door and there are people crowded in the hall.
✔ Corrected: *There are people lined up at the door, and there are people crowded in the hall.*
Explanation: Use a comma before "and" when joining two independent clauses (each could stand alone as a sentence).
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5. I saw my uncle who is also a policeman directing traffic after the game.
✔ Corrected: *I saw my uncle, who is also a policeman, directing traffic after the game.*
Explanation: The clause "who is also a policeman" is non-essential (adds extra info), so it should be set off with commas.
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6. Make sure you include snacks water and Band-Aids when packing for the trip.
✔ Corrected: *Make sure you include snacks, water, and Band-Aids when packing for the trip.*
Explanation: Use commas in a list of three or more items (serial comma before "and").
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7. My mother always said "You are one thought away from a good feeling."
✔ Corrected: *My mother always said, "You are one thought away from a good feeling."*
Explanation: Add a comma after introductory words like "said" when followed by a quote.
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8. I was born in 1975 in the city of Cincinnati Ohio.
✔ Corrected: *I was born in 1975 in the city of Cincinnati, Ohio.*
Explanation: Use a comma between a city and state name.
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9. The St. Patrick's Day party will be held on March 16 2017.
✔ Corrected: *The St. Patrick's Day party will be held on March 16, 2017.*
Explanation: Use a comma between the day and year in dates.
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10. Boys and girls please be sure you write the date on your homework.
✔ Corrected: *Boys and girls, please be sure you write the date on your homework.*
Explanation: Addressing someone directly ("Boys and girls") requires a comma after it.
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11. I think I will stay home today and I think I will head to the park.
✔ Corrected: *I think I will stay home today, and I think I will head to the park.*
Explanation: Two independent clauses joined by "and" — use a comma before "and".
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12. Could you please pass the salt and pepper Jennifer?
✔ Corrected: *Could you please pass the salt and pepper, Jennifer?*
Explanation: When addressing someone directly at the end of a sentence, use a comma before the name.
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13. Your dress, the one with the stripes is the one I want to borrow.
✔ Corrected: *Your dress, the one with the stripes, is the one I want to borrow.*
Explanation: The appositive phrase "the one with the stripes" is non-essential and should be set off with commas on both sides.
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14. I can stay busy all day but I do not feel like I get anything done.
✔ Corrected: *I can stay busy all day, but I do not feel like I get anything done.*
Explanation: Use a comma before "but" when joining two independent clauses.
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15. If you like cookies then you will love cookies and cream ice cream.
✔ Corrected: *If you like cookies, then you will love cookies and cream ice cream.*
Explanation: Use a comma after a dependent clause ("If you like cookies") when it comes before the main clause.
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16. Hey I wanted the last pieces of cake and pie.
✔ Corrected: *Hey, I wanted the last pieces of cake and pie.*
Explanation: "Hey" is an interjection — add a comma after it.
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17. I guess my favorite colors are blue red and white.
✔ Corrected: *I guess my favorite colors are blue, red, and white.*
Explanation: Use commas in a list of colors (serial comma before "and").
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18. "The class may have recess all day" announced the teacher.
✔ Corrected: *"The class may have recess all day," announced the teacher.*
Explanation: Place a comma inside the quotation marks before the closing quote when the speaker tag follows.
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19. You can tell me you are kind but can you show me you are kind?
✔ Corrected: *You can tell me you are kind, but can you show me you are kind?*
Explanation: Join two independent clauses with "but" — use a comma before it.
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20. On the table in the living room your books are sitting there unused.
✔ Corrected: *On the table in the living room, your books are sitting there unused.*
Explanation: Introductory phrase — use a comma after it.
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21. I saw my teacher the one from elementary school shopping today.
✔ Corrected: *I saw my teacher, the one from elementary school, shopping today.*
Explanation: Non-essential appositive — set off with commas.
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22. This is what I think you are better off staying home and doing your homework.
✔ Corrected: *This is what I think; you are better off staying home and doing your homework.*
Explanation: This is a compound sentence with a semicolon. The first part ("This is what I think") is incomplete without context. But if interpreted as:
*This is what I think: you are better off staying home and doing your homework.*
Then use a colon to introduce the explanation.
But since it's likely meant to be two independent thoughts, a semicolon is best.
Alternatively, rephrase: *This is what I think. You are better off staying home and doing your homework.*
But based on grammar, the best correction is:
👉 *This is what I think: you are better off staying home and doing your homework.*
Use a colon to introduce the explanation.
---
23. I think I can do it but actually I know I can do it.
✔ Corrected: *I think I can do it, but actually, I know I can do it.*
Explanation: Use a comma before "but", and "actually" is an interrupter — set it off with commas.
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24. Sure you say that now.
✔ Corrected: *Sure, you say that now.*
Explanation: "Sure" is an interjection — use a comma after it.
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25. I was born on October 10 2005 in the hospital near my home.
✔ Corrected: *I was born on October 10, 2005, in the hospital near my home.*
Explanation: Use a comma between day and year, and another comma after the date to separate it from the rest of the sentence.
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1. On the last day of the year, it is a great time to review your accomplishments.
2. Because of the snow, school will be canceled until further notice.
3. Sure, I can help you move on Saturday.
4. There are people lined up at the door, and there are people crowded in the hall.
5. I saw my uncle, who is also a policeman, directing traffic after the game.
6. Make sure you include snacks, water, and Band-Aids when packing for the trip.
7. My mother always said, "You are one thought away from a good feeling."
8. I was born in 1975 in the city of Cincinnati, Ohio.
9. The St. Patrick's Day party will be held on March 16, 2017.
10. Boys and girls, please be sure you write the date on your homework.
11. I think I will stay home today, and I think I will head to the park.
12. Could you please pass the salt and pepper, Jennifer?
13. Your dress, the one with the stripes, is the one I want to borrow.
14. I can stay busy all day, but I do not feel like I get anything done.
15. If you like cookies, then you will love cookies and cream ice cream.
16. Hey, I wanted the last pieces of cake and pie.
17. I guess my favorite colors are blue, red, and white.
18. "The class may have recess all day," announced the teacher.
19. You can tell me you are kind, but can you show me you are kind?
20. On the table in the living room, your books are sitting there unused.
21. I saw my teacher, the one from elementary school, shopping today.
22. This is what I think: you are better off staying home and doing your homework.
23. I think I can do it, but actually, I know I can do it.
24. Sure, you say that now.
25. I was born on October 10, 2005, in the hospital near my home.
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Let me know if you'd like this printed or formatted differently!
---
1. On the last day of the year it is a great time to review your accomplishments.
✔ Corrected: *On the last day of the year, it is a great time to review your accomplishments.*
Explanation: A comma is needed after an introductory phrase ("On the last day of the year") to separate it from the main clause.
---
2. Because of the snow school will be canceled until further notice.
✔ Corrected: *Because of the snow, school will be canceled until further notice.*
Explanation: Use a comma after an introductory prepositional phrase ("Because of the snow").
---
3. Sure I can help you move on Saturday.
✔ Corrected: *Sure, I can help you move on Saturday.*
Explanation: "Sure" is an interjection at the beginning of the sentence — it needs a comma after it.
---
4. There are people lined up at the door and there are people crowded in the hall.
✔ Corrected: *There are people lined up at the door, and there are people crowded in the hall.*
Explanation: Use a comma before "and" when joining two independent clauses (each could stand alone as a sentence).
---
5. I saw my uncle who is also a policeman directing traffic after the game.
✔ Corrected: *I saw my uncle, who is also a policeman, directing traffic after the game.*
Explanation: The clause "who is also a policeman" is non-essential (adds extra info), so it should be set off with commas.
---
6. Make sure you include snacks water and Band-Aids when packing for the trip.
✔ Corrected: *Make sure you include snacks, water, and Band-Aids when packing for the trip.*
Explanation: Use commas in a list of three or more items (serial comma before "and").
---
7. My mother always said "You are one thought away from a good feeling."
✔ Corrected: *My mother always said, "You are one thought away from a good feeling."*
Explanation: Add a comma after introductory words like "said" when followed by a quote.
---
8. I was born in 1975 in the city of Cincinnati Ohio.
✔ Corrected: *I was born in 1975 in the city of Cincinnati, Ohio.*
Explanation: Use a comma between a city and state name.
---
9. The St. Patrick's Day party will be held on March 16 2017.
✔ Corrected: *The St. Patrick's Day party will be held on March 16, 2017.*
Explanation: Use a comma between the day and year in dates.
---
10. Boys and girls please be sure you write the date on your homework.
✔ Corrected: *Boys and girls, please be sure you write the date on your homework.*
Explanation: Addressing someone directly ("Boys and girls") requires a comma after it.
---
11. I think I will stay home today and I think I will head to the park.
✔ Corrected: *I think I will stay home today, and I think I will head to the park.*
Explanation: Two independent clauses joined by "and" — use a comma before "and".
---
12. Could you please pass the salt and pepper Jennifer?
✔ Corrected: *Could you please pass the salt and pepper, Jennifer?*
Explanation: When addressing someone directly at the end of a sentence, use a comma before the name.
---
13. Your dress, the one with the stripes is the one I want to borrow.
✔ Corrected: *Your dress, the one with the stripes, is the one I want to borrow.*
Explanation: The appositive phrase "the one with the stripes" is non-essential and should be set off with commas on both sides.
---
14. I can stay busy all day but I do not feel like I get anything done.
✔ Corrected: *I can stay busy all day, but I do not feel like I get anything done.*
Explanation: Use a comma before "but" when joining two independent clauses.
---
15. If you like cookies then you will love cookies and cream ice cream.
✔ Corrected: *If you like cookies, then you will love cookies and cream ice cream.*
Explanation: Use a comma after a dependent clause ("If you like cookies") when it comes before the main clause.
---
16. Hey I wanted the last pieces of cake and pie.
✔ Corrected: *Hey, I wanted the last pieces of cake and pie.*
Explanation: "Hey" is an interjection — add a comma after it.
---
17. I guess my favorite colors are blue red and white.
✔ Corrected: *I guess my favorite colors are blue, red, and white.*
Explanation: Use commas in a list of colors (serial comma before "and").
---
18. "The class may have recess all day" announced the teacher.
✔ Corrected: *"The class may have recess all day," announced the teacher.*
Explanation: Place a comma inside the quotation marks before the closing quote when the speaker tag follows.
---
19. You can tell me you are kind but can you show me you are kind?
✔ Corrected: *You can tell me you are kind, but can you show me you are kind?*
Explanation: Join two independent clauses with "but" — use a comma before it.
---
20. On the table in the living room your books are sitting there unused.
✔ Corrected: *On the table in the living room, your books are sitting there unused.*
Explanation: Introductory phrase — use a comma after it.
---
21. I saw my teacher the one from elementary school shopping today.
✔ Corrected: *I saw my teacher, the one from elementary school, shopping today.*
Explanation: Non-essential appositive — set off with commas.
---
22. This is what I think you are better off staying home and doing your homework.
✔ Corrected: *This is what I think; you are better off staying home and doing your homework.*
Explanation: This is a compound sentence with a semicolon. The first part ("This is what I think") is incomplete without context. But if interpreted as:
*This is what I think: you are better off staying home and doing your homework.*
Then use a colon to introduce the explanation.
But since it's likely meant to be two independent thoughts, a semicolon is best.
Alternatively, rephrase: *This is what I think. You are better off staying home and doing your homework.*
But based on grammar, the best correction is:
👉 *This is what I think: you are better off staying home and doing your homework.*
Use a colon to introduce the explanation.
---
23. I think I can do it but actually I know I can do it.
✔ Corrected: *I think I can do it, but actually, I know I can do it.*
Explanation: Use a comma before "but", and "actually" is an interrupter — set it off with commas.
---
24. Sure you say that now.
✔ Corrected: *Sure, you say that now.*
Explanation: "Sure" is an interjection — use a comma after it.
---
25. I was born on October 10 2005 in the hospital near my home.
✔ Corrected: *I was born on October 10, 2005, in the hospital near my home.*
Explanation: Use a comma between day and year, and another comma after the date to separate it from the rest of the sentence.
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✔ Final Answer (All Corrected Sentences):
1. On the last day of the year, it is a great time to review your accomplishments.
2. Because of the snow, school will be canceled until further notice.
3. Sure, I can help you move on Saturday.
4. There are people lined up at the door, and there are people crowded in the hall.
5. I saw my uncle, who is also a policeman, directing traffic after the game.
6. Make sure you include snacks, water, and Band-Aids when packing for the trip.
7. My mother always said, "You are one thought away from a good feeling."
8. I was born in 1975 in the city of Cincinnati, Ohio.
9. The St. Patrick's Day party will be held on March 16, 2017.
10. Boys and girls, please be sure you write the date on your homework.
11. I think I will stay home today, and I think I will head to the park.
12. Could you please pass the salt and pepper, Jennifer?
13. Your dress, the one with the stripes, is the one I want to borrow.
14. I can stay busy all day, but I do not feel like I get anything done.
15. If you like cookies, then you will love cookies and cream ice cream.
16. Hey, I wanted the last pieces of cake and pie.
17. I guess my favorite colors are blue, red, and white.
18. "The class may have recess all day," announced the teacher.
19. You can tell me you are kind, but can you show me you are kind?
20. On the table in the living room, your books are sitting there unused.
21. I saw my teacher, the one from elementary school, shopping today.
22. This is what I think: you are better off staying home and doing your homework.
23. I think I can do it, but actually, I know I can do it.
24. Sure, you say that now.
25. I was born on October 10, 2005, in the hospital near my home.
---
Let me know if you'd like this printed or formatted differently!
Parent Tip: Review the logic above to help your child master the concept of comma practice worksheet answers.
