This worksheet provides a good description of when to use a semicolon, followed by 6 sentences to practice inserting punctuation. A key is provided.

Gives a clear explanation, with examples, about how and when to use commas when writing dates.

This page focuses on the use of commas when writing dates; a comma is used to separate the day from the month, and the date from the year. Examples are provided.

This grammar page begins with examples of how to punctuate dates, then provides the rules that govern those examples.

Ten detailed comma rules are found on this page.

A tutorial that provides strategies when proofreading for commas.

This entry focuses on the rules for comma use including listing the uses, explaining the rules, and providing detailed examples.