An annotated list of the best grammar guides and resources on the Web:

Guide to Grammar and Writing Guide to Grammar & Writing is an impressive interactive guide with tutorials, PowerPoint presentations, and interactive quizzes. It is divided into six major categories: Word & Sentence Level; Paragraph Level; Essay & Research Paper Level; Ask Grammar, Quizzes, and Search Devices; Peripheral Devices; GrammarPoll, Guestbook, Awards. There are over 150 computer-graded quizzes to test your knowledge of grammar.

Online Writing Lab at Purdue University has the most comprehensive OWLs (Online Writing Labs) on the Web and offers hypertext workshops and subject tutorials on writing various types of papers, teacher resources, collections of links to help users find information on the Internet, PowerPoint presentations about writing that can be downloaded for use in classes or individual study, and web pages that cover all aspects of writing. The Purdue OWL also contains a list of handouts organized by category and a list of interactive practice exercises. You can opt to receive their free Writing Lab Newsletter, which contains articles and information about tutoring.

Grammar Exercise and ESL Links to Online Writing Lab (OWL) at Purdue University grammar exercises.

Classroom technology tutorials & projects that foster student creativity & empowerment.

Grammar Girl Engaging "Quick and Dirty Tips" podcasts on writing from a popular presenter, and author. Grammar Girl tackles complex grammar questions and uses memory tricks to help you recall and apply grammar rules.

The Blue Book of Grammar & Punctuation You don't have to purchase the Blue Book to use the resources at this site. It explains punctuation, subjects and verbs, pronouns, adjectives and adverbs, and outlines specific usage problems such as effect vs. affect. There are plenty of examples and exercises and video tutorials.

Grammar and Punctuation with Jane YouTube Video

Rules for Writers (6th Edition) This is the companion Web site for Rules for Writers, Sixth Edition by Diane Hacker. Hacker taught English for more than thirty years at Prince George's Community College in Maryland and her resources includes tutorials, writing, grammar, and research exercises, ESL, and additional topics.

Note: When you enter "Grammar Exercises" click the Cancel button unless you are enrolled at the site. Instructors may apply for further free access to the site.

The Elements of Style by William Strunk, Jr. Online companion to the classic reference book. The Web site provides succinct lessons on the "principal requirements of plain English style" and rules of usage and principles.

Grammar Bytes Provides definitions of common grammar terms, interactive exercises, handouts to accompany the interactive exercises, PowerPoint and Flash presentations, and tips and rules.

The Tongue Untied: A Guide to Grammar, Punctuation, and Style The Tongue Untied provides instruction in basic grammar, sentence structure and word choice, as well as rules for punctuation according to the Associated Press Style.

Guide to Grammar and Style Jack Lynch's grammatical definitions and explanations, comments on style, and suggestions on usage.

Common Errors in English handy reference based on book titled Common Errors in English Usage.

Content is King Online Copywriting and Editing Guide Book by
David Mill for Marketers, Copywriters and Editors.

Online English Grammar Online reference and guide for English grammar, writing, punctuation and learning. Flash-based quizzes.

Daily Grammar Lessons Archive has many printable exercises.

The Grammar Doctor Writing Tips section provides grammar, usage, and other tips

Darmouth Writing Guide: Addressing Grammar Guide for Dartmouth students. Of note are the " Twenty Most Commonly Occurring Errors" and "Pet Peeves" noted by Dartmouth professors.

Webgrammar "Community website" of Judy Vorfeld, also known as Webgrammar. The Writing Center includes writing help and writing resources.

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