The Ten Rules of Commas

By: Kylie LeFils, Norah Aagesen, and Bella Girard

Rule Number 1

Use commas to separate three or more items in a series.

Example- I like to play soccer, softball, and basketball.

Bad Example- I like to play soccer softball and basketball.

Rule Number 2

Use commas after an introduction element

good Example- After soccer practice, I had to go to batting practice.

bad Example - After soccer practice I had to go to batting practice.

Rule Number 3

Use commas to set off traditional words or expression.

Good example- After, putting up the Christmas Tree Norah and I are going to build a huge snowman.

Bad example- After putting up the Christmas Tree Norah and I going to build a huge snowman.

Rule Number 4

Use commas before and after the flow of thought.

Example- Norah said, "Kylie is my best friend."

Bad Example- Norah said Kylie is my best friend

Rule Number 5

Use commas in addresses and date.

Good example- Bob was born on December 25, 2014

Bad example- Bob was born on December 25 2014

Rule Number 6

Use commas when writing an informational letter after the opining and closing.

Good Example- Dear Kylie,

Bad example- Dear Kylie

Rule Number 7

Use commas when direct quotation.

Good Example- Bella said, "Our project is fun to do."

Bad Example- Bella said "Our project is fun to do."

Rule Number 8

Use commas when addressing a person to set off a name.

Good example- "Good morning", Billy.

Bad example- Good morning Billy.

Rule Number 9

Use a comma with short expression such as well, yes, No, sure, and or.

Good example- Yes, Mom I did my homework.

Bad example- Yes mom I did my home work.

Rule Number 10

Use commas to join words.

Good example- So, are you coming to my Birthday party?

Bad example- So are you coming to my Birthday party?