D IRECT A DDRESS Names of people directly addressed in a sentence are set o with commas “Chris, please apologize It is clear, Sandy, that Chris will not apologize.” P LACE N AMES Addresses and other place names separate the elements of a location with commas: “Casper, Wyoming “Rosewell, NM Adelaide, Queensland, Australia.” P ARENTHETICAL P HRASES While incidental or interjected words inserted into a sentence are best placed in parentheses, certain short phrases or stock phrases are commonly separated by commas. These phrases can be seen as kinds of appositives: It is true, in my opinion, that prisoner is guilty This comes, no doubt, as a surprise to you See also interjection.
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