Punctuation Rules

Use after an interjection

Use in an address to separate town and state

Use at the end of a statement

Use to show an appositive

Use with two complete sentences and no conjunction

Use to show the title of a book, movie, or newspaper

Use to separate numbers when writing time

Use to separate words in a list

Use to show spoken word

Use after a greeting in a business letter

Use to show omitted words

Use to introduce an important quotation

Use when writing a friendly letter: after the greeting and closing

Use as a decimal

Use in a date to separate the day and year

Use after an initial

Use to show possession

Use after an abbreviation

Use to show the title of a song, poem, or short story

Use to introduce a list following a complete sentence