ACE Copyediting - A free monthly self-help writing guide for students of the English language who want to communicate more effectively. Guide covers grammar, punctuation, spelling, cliches, and jargon.
All You Need to Know About Commas - This site will give you information, definition, and rules about commas. Also has links to other sites for further information.
Allexperts Grammar Help - Volunteer experts answer your detailed one-on-one questions about grammar and usage for free. Get quick answers to your questions.
Apostrophe Protection Society - Illustrates the correct use of the apostrophe in spelling the plural and possessive. Gives examples of misuse and the rules and examples for correct use.
Basic Cozy Grammar Course - A light hearted approach to learning basic English grammar. Featuring 27 lessons contained on two videos with companion workbook/study guide.
Chicago Manual of Style FAQ - FAQ site designed to help CMS users eliminate ambiguities or misunderstandings found in the book itself.
Clear English Grammar Resources - A wide collection of online grammar resources covering grammat topics from articles to verbs.
Common Errors in English - An explanation of common English usage errors and how to avoid making them.
Commonly Misused Words - Explains the difference between similar words with different meanings. [PDF]
The English Language - A site with thoughts on why using sound English is important and on just what "sound English" is.
Focus on Usage and Grammar - This page, provided by The Writer's Place, discusses various problems and rules concerning English grammar, usage, and elements of style.
Fundamental Grammar - NIU English - A comprehensive page covering major word classes, punctuation guides, phrases, clauses and sentence structures accompanied by quizzes.
Gallaudet Writer's Handbook - This site is an online version of the grammar and style handbook that was designed specifically to improve the writing skills of deaf and hard of hearing college students.
"Get It Write" English Grammar and Usage Tips - The site offers a new tip about English grammar and usage every two weeks. Currently the archive contains thirty-four tips. People can subscribe to have the tips sent to their e-mail address free of charge.
Glossary of English Grammar Terms - A fully cross-referenced dictionary of gramatical terms of English language containing more than 250 English grammar entries.
Grammar and Usage for the Non-Expert - Targeted, nontechnical articles on problems of grammar and usage that even good writers sometimes have trouble with.
Grammar Check - Offers opt-in subscribers a free, monthly ezine with a grammar feature and Q&A's submitted by readers, along with a review of a writing resource.
The Grammar Doctor - This site offers tips and advice on grammar and usage. Users are invited to email the site for answers to grammar questions.
The Grammar Guru - Web site of syndicated columnist and author of The Grammatically Correct Handbook. Read columns, book chapters, find out how to order the book.
Grammar Help Page - Grammar help written by Ruth and her students and gleaned and linked from a variety of Web sites around the world.
Grammar Hotline Directory - Find phone numbers, e-mail addresses, web sites which you can contact for answers to short questions about writing.
Grammar Now - Grammar and composition questions answered within two to three days. Proofreading and editing service are also offered.
Grammar Sucks - Free, personalized answers to questions on grammar, language, usage, syntax. It also contains humorous looks at English grammar. Allows for paid work on documents.
Grammarphobia.com - Brought to you by Patricia T. O'Conner, author of "Woe Is I," and the writer Stewart Kellerman.
GrammarStation - Find lessons in English grammar. Topics include subject and verb agreement, proper use of pronouns, and modal verbs.
The Online Writing Project - Provides and organizes writing guides and grammar handouts created by writing centers and English Departments at American universities.
Online Writing Resources - Interactive lessons in grammar, mechanics and punctuation using PowerPoint, Word, and HTML.
Plain Words - A guide to the use of English by Sir Ernest Gowers.
Punctuation Made Simple - Discussion of several of the most useful punctuation marks: the colon, semicolon, comma, dash, and apostrophe.
Reflexive Pronouns - Explanation of usage for reflexive pronouns: myself, himself, herself, themselves, and ourselves. Includes practice sentences and an answer key.
The Scarlet Pen - Downloadable style and usage guide containing 300 commonly misused words and amusing sample sentences. [Microsoft Word format, 240kb in size]
Sentence Diagrams - Diagrams of moderately long and complex sentences are accompanied by explanations for both beginners and experienced diagrammers.
Serendipity: Common Errors - An examination of common errors that are becoming generally accepted as correct. A mini-course in English usage.
Tomato Nation: Sincerely Your's - Essay about incorrect grammar usage, with examples of common errors and advice as to how to avoid them.
Tutoring English Grammar and Composition - Free online program of instruction in basic English grammar and composition for the use of parents and others and for those learning English as a second language.
Webgrammar's Place - Tips, tutorials, and resources for writers, students, editors, educators, and web designers. Also, Webgrammar answers questions about American English grammar, punctuation, spelling, capitalization, and usage.
Writing Assistance - The site improves literary style in written English, corrects grammar, spelling and syntax; and gives clarity to presentation of material. It applies to essays, research papers, projects, theses and reports.