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Pondering Punctuation: Index

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I hope that you enjoyed the Pondering Punctuation series and found it helpful. Here are links to all of the posts, all in one place!
 

Periods 

Exclamation points and question marks 

Colons and semicolons 

Commas: 

Next week I’ll resume my regular biweekly posts–see you then!  

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Pondering Punctuation: Demystifying the Comma, Part Five

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I couldn't resist using this one last time. Available at boredwalktshirts.com!

At long last, we’ve come to the final installment of our series on the correct use of the comma! If you missed any portions or would like to review, please see the list at the end of the post.

I have to admit that I’m suffering from a bit of comma burnout—and I’m sure you all are too! So let’s just dig in and get this done.

With Parenthetical and Descriptive Phrases

When your sentence contains a phrase that adds an explanation or comment, and you want to create the effect of just a slight pause, use commas to surround the phrase:

Using commas correctly can be, to say the least, confusing at times.

The use of periods, on the other hand, is usually straightforward.

If you remember back to our last installment, we talked a bit about essential and extra information. The distinction is important in comma usage because if a descriptive phrase is essential to identifying the person or thing it’s modifying, no commas are used:

The book with the distinctive blue cover is my favorite grammar reference.

Here the phrase with the distinctive blue cover is essential; if we removed it, a reader wouldn’t be able to tell which book we’re talking about: The book is my favorite grammar reference. Note also that there are no commas around the essential phrase.

But have a look at this sentence:

The Blue Book of Grammar and Punctuation, with its distinctive cover, is my favorite grammar reference.

Here, since we have the name of the book, the phrase with its distinctive cover is extra information. If we removed it, a reader would still know which book we’re talking about:  The Blue Book of Grammar and Punctuation is my favorite grammar reference. And note that we do need commas around the extra phrase. As we saw last time, you could think of the commas as miniature parentheses.  

(And by the way, The Blue Book of Grammar and Punctuation is a real book, and it is indeed one of my favorite grammar references. I highly recommend it! Note that I’m not an Amazon affiliate and do not receive anything for this endorsement.)

This rule—no commas for essential phrases, commas for extra phrases—also applies if the phrase starts with such as or including:

It’s best to avoid unusual words, such as multitudinous and deracinate, when writing for a general audience. 

Here the phrase such as multitudinous and deracinate is extra information, since we’ve already established that we’re talking about unusual words. The extra phrase merely supplies some examples, and it’s surrounded by commas. But if the sentence was written this way:

It’s best to avoid words such as multitudinous and deracinate when writing for a general audience.

In this sentence the phrase such as multitudinous and deracinate is essential for identifying what kind of words are to be avoided. If we removed the phrase—again, a good test to determine whether a phrase is essential or extra—we’d be left with the nonsensical It’s best to avoid words when writing for a general audience. Hmm, how would you do that? 😊 

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With Dependent Clauses

Hooray, we’ve arrived at our final two comma rules! We have just one last grammar term to define quickly. In a previous post about colons and semicolons, we encountered the term “independent clause,” which means a clause that can stand on its own as a sentence. So if an independent clause can stand on its own, what do you think a dependent clause would be? Yup, it’s one that, even though it has a subject and a verb, can’t stand on its own as a sentence. For example:

*When I finish editing the book

*If there’s nothing that needs to be changed

These clauses clearly can’t stand on their own—they need another clause to round out the story. (The asterisk at the start means that they’re ungrammatical sentences.) Plumped out and paired up with a main clause, they might look like this:

When I finish editing the book, I’ll notify the author.

If there’s nothing that needs to be changed, the book will be published late this year.

And this shows the first dependent clause rule in action: when the dependent clause comes before the main clause, put a comma at the end of the dependent clause.

But what happens if we swap the order of the clauses?

I’ll notify the author when I finish editing the book.

The book will be published late this year if there’s nothing that needs to be changed.

Now the main clause is first and the dependent second, and there’s no comma. Most of the time this will hold true. There are only a few cases in which a comma might be necessary after the main clause:

  1. If there’s a significant contrast, indicated by the dependent clause starting with though, although, even though, or whereas;
  2. If the dependent clause starts with because and there is possibility of ambiguity (usually when the main clause contains a negative verb); or
  3. If the dependent clause is clearly parenthetical and has no effect on the overall meaning of the sentence.

Examples of these:

  1. The novel on the whole was good, although the end was a bit disappointing.
  2. Scott didn’t read the book, because his friends hadn’t liked it.
  3. I’ll finish up this post now, if you don’t mind.

If you’d like to read in more detail about these exceptional cases, check out this very thorough blog post. It’s written on a grammar nerd level of detail and so is not an easy read, but it does contain many good examples helpful for understanding these situations.

I hope that this series has cleared up at least some of the confusion you might have about the proper uses of the comma. But more importantly, I hope that you’ve come to realize that using commas—and in fact, all punctuation—is more of an art than a science. That’s why it’s so important to look for the rules in action when you read and to make a conscious effort to use them in your own writing. Remember that you can always send me your questions; I’m more than happy to help! Either post them below, or email to steph@tightprose.com.

And now, I promised you a recap of all the comma articles with links—here you go!

Part one: Commas in pairs; joining independent clauses; the serial, or “Oxford,” comma.

Part two: Commas with “not” phrases; with “the more…” “the less…” type phrases; with questions inside a sentence; with quotations; with parentheses.

Part three: Commas with introductory elements: words, short phrases, adverbial phrases, and participial phrases.

Part four: Commas with relative clauses and appositives—where the distinction between essential or extra information is particularly important.

Part five—this post: Commas with parenthetical and descriptive phrases, and with dependent clauses.