https://www.youtube.com/user/engliciousgrammar These videos introduce basic concepts in English grammar.
22 Short Films about Grammar (Bunk Magazine)
http://www.youtube.com/playlist?list=PL7871319DAC5DB493 22 Short films produced for teaching grammar lessons.
Dave’s ESL Café (Dave Sperling)
http://www.eslcafe.com/grammar.html Dave’s ESL Café provides practical tips on grammar, questions and answers, samples of student writing, and information about other resources.
Exercise Central (Bedford/St. Martin’s)
http://bcs.bedfordstmartins.com/exercisecentral/ Exercise Central gives you access to a 65-question diagnostic test and a customized study plan with grammar exercises and tutorials.
Grammar Bytes! (Robin L. Simmons)
http://www.chompchomp.com/menu.htm Grammar Bytes! provides you with interactive exercises on topics such as run-on sentences, sentence fragments, irregular verbs, commas, pronoun agreement, pronoun reference, subject-verb agreement, and word choice. The site also contains tip sheets and definitions of grammatical terms.
Grammar Handbook, The Center for Writing Studies (University of Illinois at Urbana-Champaign)
http://www.cws.illinois.edu/workshop/writers/ This handbook explains and illustrates the basic grammatical rules concerning parts of speech, phrases, clauses, sentences and sentence elements, and common problems of usage.
Guide to Grammar and Writing (Capital Community College Foundation)
http://grammar.ccc.commnet.edu/grammar/ The Guide to Grammar and Writing categorizes and explains grammar issues such as word and sentence level, paragraph level, and essay and research paper level. The site also contains 174 interactive quizzes on grammar, style, punctuation, usage, spelling, and
HyperGrammar, The Writing Center (University of Ottawa)
http://arts.uottawa.ca/writingcentre/en/hypergrammar HyperGrammar is an online grammar textbook which gives a thorough review of the parts of speech and the standard rules of syntax, spelling, word choice, paragraphing and organization. Review tests with explanations are also available.
The Basic Elements of English: An Interactive Guide to Grammar (University of Calgary)
http://www.ucalgary.ca/UofC/eduweb/grammar/ This site comprises interactive exercises and grammar tutorials on parts of speech, sentence elements, punctuation and word use.