The Nine Comma rules
Comma rule# 1: When separating phrases that don't need to be there.
Example: My pug, Morton, is lazy.
Comma rule #2: When linking two independent clauses with a conjunction.
Example: I'd like to go to Six Flags, but it is my day to clean the bathroom.
Comma rule#3:When you are addressing someone in particular.
Example:Let's eat, Grandma.
Comma rule #4: When making a list.
Example: Peanut butter M&Ms, brussel sprouts, and fried.... anything.
Comma rule #5:When you have more than one adjective modifying a noun.
Example: The brilliant, hilarious Shmoop.
Comma rule #6: After introductory phrases or clauses.
Example: Once we're done with this example, we'll move onto the next one.
Comma rule#7: Dates
Example: December, 31st 2012
Comma rule #8: Closing of a letter
Example: Have a nice school day!
Comma rule #9: Geographical locations
Example: Sacramento, California