Use this handy guide for a quick reference to punctuation and capitalization rules. Includes rules for end marks, apostrophes, capitalization, commas, quotation marks, and many more!

This site provides a clear and simple explanation of when to use capital letters. Following the explanations, students can verify their understanding by taking an interactive quiz.

This EnglishClub resource provides eleven instances in which using capital letters is necessary. Several examples are provided with each of the eleven rules.