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Should I Put a Comma Here?

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Should I Put a Comma Here? Answer Key

Instructions: Determine whether or not you should insert a comma in each sentence.

If you are not inserting a comma, explain why a comma does not belong in the sentence.

1. 
Would you like sushi or tacos?
  • Correct as is.

    Do not use a comma before a FANBOYS conjunction (for, and, nor, but, or, yet, so) if the words that follow the conjunction are not a complete sentence.
2. 
I saw the movie Coco and read the novel All the Light We Cannot See.
  • Correct as is.

    Do not use a comma before a FANBOYS conjunction (for, and, nor, but, or, yet, so) if the words that follow the conjunction are not a complete sentence.
3. 
He is smart but lazy.
  • He is smart, but lazy.

    The conjunction but is an exception, and you can use a comma before it when
    the words on either side of it contrast.
4. 
Joe (accompanied by his trusty mutt) was always welcome.
  • Correct as is.

    Do not use a comma before or after something in parentheses unless the sentence would have a comma there anyway.
5. 
When he got home (it was already dark outside) he fixed dinner.
  • When he got home (it was already dark outside), he fixed dinner.

    If you left out what is in parentheses, there would still be a comma.
6. 
John F. Kennedy Jr. was the son of President Kennedy.
  • Correct as is OR John F. Kennedy, Jr. was the son of President Kennedy.

    According to some grammarians, the comma is optional.

    This will not be on your quiz!
7. 
Why is the sentence below incorrect?

The Giants and the Jets, play in New Jersey.
  • Never put a comma between a subject and its verb unless there is an interrupter set off in commas between them.
8. 
Why is the sentence below incorrect?

She is ordering, a pizza for dinner.
  • Never put a comma between a subject and its object.
9. 
Why is the sentence below incorrect?

Bananas are a healthy, snack.
  • Never put a comma between an adjective and its noun.
10. 
Why is the sentence below incorrect?

She received a phone call, during school.
  • Never put a comma between a noun or verb and a prepositional phrase that immediately follows it.
11. 
Sometimes you use a comma to avoid confusion. However, sometimes putting a comma in causes confusion, so you leave it out.

Rewrite the sentence below so that there is no confusion.

Renata, my friend, and I played soccer together.
  • Renata, who is my friend, and I played soccer together.

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