Punctuation Guide: Become a Punctuation Pro

Punctuation marks help readers make sense of what’s going on in your writing. Quotation marks tell them when someone is speaking. Periods keep sentences separate. Apostrophes can communicate possession or indicate when something is missing. And we can’t forget what a difference a comma can make when you’re deciding between “Let’s eat Grandma!” and “Let’s eat, Grandma!”

Grammarly’s learning resources will get you up to speed on punctuation marks and punctuation rules in no time. Our writing suggestions catch punctuation mistakes you might have missed and help you write more confidently.
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What Is Punctuation?

Lots of questions can come up when learning punctuation rules. Does punctuation go inside quotation marks? What’s the correct way to use a semicolon? When is a comma really necessary?

Learn to use punctuation like a pro and feel confident about where to put apostrophes, hyphens, quotation marks, and more.
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Comma

Commas get used in all kinds of ways. That makes them tricky! But don’t worry, our guide covers everything you need to have command of the comma.
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Period

Periods (also called full stops) end sentences. They can also signify an abbreviation. Learn more about this humble punctuation mark.
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Semicolon

Semicolons aren’t used a ton in modern writing, but they still have a purpose! Discover what this punctuation mark is and when to use it.
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Apostrophe

Apostrophes can make contractions or signify ownership. But it’s important to not mix them up! Check out our overview on apostrophes.
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Hyphen

When you’re joining words together, a hyphen is the punctuation mark you want. Find out how to use them the right way.
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Quotation Marks

Quotation marks signify dialogue or quoted material. But it’s not quite as simple as it seems. Do you put commas and periods before or after the quotation marks? We’ve got the answers you need.
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Colon

Think of the colon as a director of information: It tells you to pay special attention to what comes after it. Read up on how to use a colon correctly.
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Ellipsis

Dot, dot, dot. An ellipsis looks like a series of three periods and signifies that part of a sentence has been omitted or that a thought is trailing off. Get the scoop on how and when to use ellipses.

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