Use a comma after the greeting and after the closing in a friendly letter. If you begin the letter by writing Dear Mom or Dear Grandma – you need a comma after the person you are writing to.Dear Mom, I… Read more866. Comma Rules – in a friendly letter

In a sentence, place a comma between a city and a state.I live in Chicago, Illinois.My friend traveled to Denver, Colorado. If the sentence continues after the city and state, also put a comma after the state.We visited Charleston, North… Read more868. Comma Rules – with a city and state or country

In a sentence, if you are addressing a person by name, you must set off their name with a comma.Bob, please bring the iced tea.I’m happy you like the gift, Josie.Billy, you need to finish your homework. If the name… Read more869. Comma Rules – Addressing someone by name

Use a comma to separate items in a list of three or more objects. I bought lemons, sugar, and cookies at the store.We visited Kentucky, North Carolina, and Mississippi this spring.My dog eats sausage, biscuits, and grits. Do not use… Read more871. Comma Rules – in a list

Use a comma in a number of at least four places to separate every three place values.2,00046,000100,000250,0003,745,000 Use a comma after every three numerals in a large number. ▶It’s your turn. Place a comma where it needs to be in… Read more872. Comma Rules – in a large number

Use a comma to separate two adjectives when the adjectives hold equal weight in the sentence. You can be sure you need a comma if the word and can be placed between the two adjectives. This sentence needs a comma… Read more873. Comma Rules – in a list of two adjectives

Place a comma after an interjection.Wow, that was a good movie.Yikes, I forgot my wallet. Hey, have you seen my coat? An interjection is an interrupter word placed at the beginning of a sentence. Always put a comma after an… Read more874. Comma Rules – after an interjection