Comma Rules
Examples
Common Mistakes
Sentence Correction
Fun Facts
100

What is the rule for using commas in a list?

Use commas to separate items in a series

apples, bananas, and oranges

100

Give an example sentence of using commas in a list. Commas must be in the correct place

He ate apples, bananas, and oranges.

100

What is the mistake in the sentence:

I like to read cookbooks and mystery novels

I like to read cookbooks, and mystery novels

100

Correct the sentence: I enjoy reading but I don't have time. 

I enjoy reading, but I don't have time. 

100

True or False: Commas can change the meaning of a sentence.

True. 

Let's eat Grandma versus Let's eat, Grandma

200

When do you use a comma before a conjunction?

Use a comma before a conjunction when the conjunction connects two independent clauses (two sentences). 


I went to school, and I went to work.

200

Write a sentence with a comma before a conjunction

I wanted to go for a walk, but it started to rain. 

200

What is the mistake in the sentence: My favorite movies are horror comedies action and drama. 

My favorite movies are horror, comedies, action, and drama. 

200

Correct the sentence: On Saturday we will go to the beach. 

On Saturday, we will go to the beach. 

200

What punctuation mark is often mistakenly used in place of a comma?

A semicolon ;

300

Where do you use a comma with an introductory phrase?

You put the comma after the introductory phrase

Good morning, 

Dear, 

300

Write a sentence with an introductory phrase

After dinner, we went to see a movie. 

300

What is the mistake in the sentence: Although it was raining we decided to go outside. 

Although it was raining, we decided to go outside. 

300

Correct the sentence: My dog who is very playful loves to run. 

My dog, who is very playful, loves to run. 

300

What is the commonly used mnemonic to remember conjunctions that use commas?

FANBOYS

400

Where does a comma go in dates?

The comma goes after the day and before the year

October 23rd, 2025

400

Write an example sentence with commas used in a date

Their anniversary is October 31st, 2024.

400

What is the mistake in the sentence: The meeting is set for Tuesday, October 15th at four PM.

The meeting is set for Tuesday, October 15th, at four PM. 

400

Correct the sentence: She bought cheese milk and eggs. 

She bought cheese, milk, and eggs. 

400

What are the conjunctions in the mnemonic SWABI

Since, When/Where, Although/After, Because, If.

500

Where does a comma go in places/cities/addresses?

Before the state and after the city

Joplin, Missouri

500

Write an example sentence using a nonessential clause

(The boy, with the red sneakers, was late to class)

My sister, who lives in Kansas City, is visiting this weekend. 

500

What is the mistake in the sentence: My sister who loves animals is studying to be a vet.

My sister, who loves animals, is studying to be a vet. 

500

Correct the sentence: We are having a party on, Friday May 5th at six PM. 

We are having a party on Friday, May 5th, at six PM.

500

What is the Oxford comma?

The comma that is used before the conjunction in a list of items. 

apples, bananas, and oranges. 

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