The first six rules:
1. When separating phrases that don't need to be there.
Ex. My friend, Chloe, is a twin.
2.When linking two independent clauses with a conjunction.
Ex. I'd like to go with you, but I'm grounded.
3.When you,re addressing someone in particular.
Ex. I need some help on my test, Mrs. Cody
4.When making a list.
Ex. I want pizza, chips, and cake for lunch.
5.When you have more than one adjective modifying a noun.
Ex. The hilarious, amazing teacher Mrs. Cody
6.After introductory phases or clauses.
Ex. Once we are finished with our food, we'll go to the mall.
7. Date. Ex. May 4, 2003
8. End of a letter. Ex. Your friend Veronica
9. Geographic locations. Ex. Cumming, Georgia