You’ve brainstormed your query, article, or chapter. You’ve written your first draft. You’ve re-read and tweaked your piece one more time. So, what’s left to do before deciding you’re ready to move on to something else? You’ve got to proofread your piece, looking for spelling, capitalization, and punctuation errors.
Here’s a list of common comma errors to look for.
- In a sentence containing two complete thoughts separated by a conjunction, you need a comma before the conjunction. Examples of conjunctions to alert you to add a comma are but, or, yet, so, for, and. Sentence example: She thought his ideas were good, but she didn’t want to let him know that just yet.
- Insert a comma after an introductory phrase. Example: In a sentence containing an introductory phrase, you need a comma at the end of the phrase.
- When you have a series of three or more items, place a comma before the and preceding the last item. NOTE: This is a requirement for books, but not for periodicals. Example: The school supply list included pencils, pens, markers, crayons, and notebooks.
- When you have a parenthetical expression in a sentence, set off that extra, unneeded information with commas on both sides of the expression. Example: Jon Smith, the person who normally assists us, didn’t come to work today.
- Place a comma between consecutive adjectives when you don’t use and between them. Example: Mary couldn’t stand George’s loud, boisterous speaking.
- Insert a comma after the year when writing a full date. Example: They were married on August 13, 2009, in Vegas. NOTE: When you write only the month and year, omit the comma. Example: They were married August 2009 in Vegas.
Although this list is not all-inclusive, it gives you a quick primer on common comma errors to look for when you proofread your final version of your work.