Commas with numbersUse commas to separate off the thousands, millions and billions in numbers.
Donít use commas in decimals. Example: $4.79
Donít use a comma if only two elements of the date are given (e.g. month and year).
Commas with salutationsUse a comma if the sentence starts with an address to someone.
Example: John, can I talk to you for a second?
Use a comma with salutations in private letters.
After the greeting, the comma is optional.
Commas with the word 'please'Use a comma if the word 'please' is at the end of a request.
Example: Send me a mail, please.
Don't use a comma if the word 'please' is at the beginning of a request.
Directions: Choose the sentence with the correct punctuation in each question. Write at least two more examples for each of the punctuation rules given above.