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University of Wyoming
Grammar and punctuation
Whether your grammar questions are simple or complex, these sites should help you answer them. Useful for native-English speakers and ESL writers alike.
 

  • The Blue Book of Grammar and Punctuation: Take a look at this page for comprehensive grammar and punctuation exercises, complete with answers.
  • 11 Rules of Writing: This site discusses eleven common writing errors and clearly explains how to correct them.
  • Online English Grammar: Use this thorough, alphabetized glossary to look up English grammar terms; the site provides examples and illustrates usage..
  • Punctuation Made Simple: According to the author of this site, "punctuation is simple" (Olson para.2). To prove it, Olson provides overviews of the five most common punctuation marks, the colon, semicolon, comma, dash, and apostrophe, then discusses the usage of each with detailed examples and illustrations.