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Better Grammar in 30 Minutes a Day by Florence Sacks, Constance Immel

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Chapter 8

Commas

8.1 Coordinating Connectives Between Main Clauses; Items in a Series; Introductory Phrases and Clauses

Many writers are confused about when to use commas. Study and memorize the ten rules discussed in this chapter, and you will not be confused about the use of commas.

1. Use a Comma Between Two Main Clauses Connected by a Coordinating Connective

Place a comma before a coordinating connective (and, but, for, or, nor, so, and yet) when it joins two main clauses.

Example: The Images dropped the fly ball, and the Images on third base scored.

Unnecessary ...

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