General

• A list of language terms such as hyphens or tone with links to detailed examples can be found at http://www.buzzin.net/english/glossary.htm#t.

• Guide to Grammar and Style by Jack Lynch: Lynch provides a detailed overview of grammatical rules, style, and usage. Provides examples and definitions to help the beginning writer as well as the seasoned writer to brush up on common terminology. The site is also user friendly in that it permits easy access to particular area (s) of interest.
• Daily Grammar by Bill Johanson: If you are serious about improving your grammar, you might want to subscribe to this site; it is not designed to give quick answers, but instead, it emails a grammar lesson each day along with a quiz on the sixth day to test the knowledge gained.
• English Works! from Gallaudet University: If you need a refresher on the basics in a hurry, this site provides a quick and concise review of grammar and punctuation.
• Guide to Grammar & Writing hosted by Capital Community College of Hartford, Connecticut: This site provides detailed information pertaining to grammar, punctuation, sentence structuring, paragraph developing, and organizing essays and research papers. This page is very user-friendly with category divisions and drop-down menus for those individual categories.
• 11 Rules of Writing is produced by Junket Studies Tutoring: Eleven concisely stated rules cover an amazing amount of ground in terms of major grammar, punctuation, and writing errors. Each rule comes with its own examples, both correct and incorrect, as well as references from other sources that reinforce the rule.
• Grammar Bytes! by Robin Simmons: Grammar Bytes is a good interactive site. Extensive list of grammar terms with links to each term. Interactive exercises are a little too long and are somewhat confusing, so be careful and read the explanations for incorrect answers. Clear and concise explanation of rules concerning clauses.

Active Voice

See Voice, below

Article Usage

• http://www.rpi.edu/dept/llc/writecenter/web/esl.html -Discusses articles in terms of count/non-count and definiteness; provides solid examples as well. Quizzes are provided at the end.
• http://www.rpi.edu/web/writingcenter/wc_web/handouts/Article_FlowChart.pdf - Rensselaer's Flow Chart for article usage provides basic guidelines in an easy to follow visual format.
• http://www.artsci.wustl.edu/~writing/articles.htm - This page provides clear links to resources, easy to follow guidelines, and helpful examples of the different ways articles are used.
• http://www.utoronto.ca/writing/l2the.html - This page provides three questions to aid a student in determining when to use the article "the" as opposed to using "a" or "an" along with examples to ensure that the rules are understandable.

Clause Structure

• http://grammar.ccc.commnet.edu/grammar/clauses.htm - Good overall discussion of grammar presented in a clever manner. Be sure to watch the informative Power Point presentation.
• http://owl.english.purdue.edu/handouts/grammar/g_clause.html - Clear-cut definition of dependent and independent clauses.
• http://writingcenter.tamu.edu/content/view/25/78/ - UWC handout explains how understanding clauses can help with punctuation.
• http://www.smic.be/smic5022/relatives1.htm - The interactive exercise at this site explores clauses as they relate to relative pronouns.
• http://www.better-english.com/grammar/nondef.htm - This interactive exercise focuses on adjective clauses.

Colons

• http://grammar.ccc.commnet.edu/grammar/marks/colon.htm - Imaginative discussion of how the colon is used along with a power point presentation about colons as well as links to exercises using colons.
• http://leo.stcloudstate.edu/punct/colon.html - Organized around the rules of colon usage, this site gives clear and easy to follow examples of how to use a colon properly.

Commas

• http://writingcenter.tamu.edu/content/view/25/78/ - The basic comma rules in brief outline.
• http://grammar.ccc.commnet.edu/grammar/commas.htm - Rules for comma usage presented in an organized and interesting manner. Includes a Power Point presentation.
• http://owl.english.purdue.edu/handouts/grammar/g_comma.html - Gives comma rules and examples for each rule. Also provides links when it uses grammatical terms such as "introductory phrase" or "essential clause."
• http://www.mun.ca/writingcentre/commarules.shtml - Explains comma rules and provides examples to demonstrate them.
• http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/comma1.htm - Test your comma knowledge with this quiz.
• http://grammar.ccc.commnet.edu/grammar/quizzes/nova/nova1.htm - Another interactive quiz to test your comma prowess.

Comma Splices

• http://writingcenter.tamu.edu/content/view/13/78/ - TAMU's handout explains the comma splice error and how to correct it.
• http://ace.Acadiau.ca/English/grammar/comma.htm - An imaginative approach to the comma splice, which is referred to as a "grammar outlaw."

Dashes

• http://chuma.cas.usf.edu/~olson/pms/dash.html - Defines the dash and explains it uses, as well as provides a warning not to overuse this punctuation.
• http://grammar.ccc.commnet.edu/grammar/marks/dash.htm - Explains the different types of dashes you might see in print and how to form them.
• http://www.geocities.com/Athens/Aegean/6354/grammar.html#Dashes - A straightforward definition with a few examples illustrating the dash's uses.

Ellipsis Marks

• http://grammar.ccc.commnet.edu/grammar/marks/ellipsis.htm - Clearly defines the ellipsis and gives examples of its uses.
• http://www1.umn.edu/urelate/style/punctuation.html#Anchor-ELLIPSIS-17304 - Defines the ellipsis and gives a few examples.
• http://www.nipissingu.ca/department/english/HORNBOOK/ellipsis.htm - Gives clear guidelines for using ellipsis marks.

• http://www.esl-lab.com  - Randall's ESL Cyber Listening Lab is a free multimedia site, with over 150 audio and video activities, is designed to help English learners improve their listening comprehension.
• http://a4esl.org/ - Sponsored by the Internet TESL Journal, this site is a gold mine of quizzes on easy, medium, and difficult levels, including at least one on articles (and, a, the).
• http://owl.english.purdue.edu/handouts/index2.html#esl provides help with article usage, prepositions, verbs, and other practical information for the ESL student.
• http://www.eslcafe.com/ - Dave’s ESL café is “a meeting place for teachers and students EFL + ESL teachers and students from around the world.” You can “Ask Questions” of a teacher, take quizzes, and communicate with other students.
• http://a4esl.org/q/h/idioms.html provides quizzes on common English idioms for the ESL student.

• http://writingcenter.tamu.edu/content/view/13/78/ -
• The UWC's handout explains the fragment and how to correct unintentional uses of it.
• http://grammar.ccc.commnet.edu/grammar/fragments.htm - First defines a fragment, and then gives examples. A Power Point presentation is also available.
• http://owl.english.purdue.edu/handouts/grammar/g_frag.html - After defining fragments, this site gives examples along with possibilities for revision.

Hyphens

• http://owl.english.purdue.edu/handouts/grammar/g_hyphen.html - Explains how to use hyphens with prefixes, to divide words, and to modify (with adjectives). Has good examples and explains reasons for why hyphens are used or are not used.
• http://www.geocities.com/grammardoc5/ - Gives guidelines for using hyphens to form new words and to divide words; guidelines are followed by brief, yet appropriate, examples.
• http://grammar.ccc.commnet.edu/grammar/marks/hyphen.htm - Explains rules for hyphenating as well as other uses for hyphens including modifiers, numbers, compound words, prefixes, and suspended compounds.
• http://www.cs.tut.fi/~jkorpela/dashes.html - A very thorough look at hyphens and dashes in conjunction with typography replete with references and links to Typographical Measurement Systems, Unicode, and to the guide for the International System of Units (ISU).

Passive Voice

See Voice, below

Pronoun-Antecedent Agreement

• http://grammar.ccc.commnet.edu/grammar/pronouns.htm - Explains why agreement between pronouns and their antecedents (nouns to which the pronouns refer) is important. Includes information on who, whose, and whom as well as provides multiple quizzes at the end.
• http://leo.stcloudstate.edu/grammar/pronante.html - Straightforward explanation with examples.

Possessives

• http://grammar.ccc.commnet.edu/grammar/possessives.htm - Solid information on how to form a possessive with links to quizzes at the end.
• http://www.bartleby.com/64/82.html - Bartleby.com provides information from the 1996 version of The American Heritage® Book of English Usage: A Practical and Authoritative Guide to Contemporary English.
• http://chuma.cas.usf.edu/~olson/pms/apostrophe.html - This site focuses on the apostrophe and discusses first contractions, and then possessives.

Proofreading

• http://owl.english.purdue.edu/handouts/general/gl_edit.html Provides tips on proofreading for higher-order concerns, such as organization, as well as sentence-level errors.
• http://www.unc.edu/depts/wcweb/handouts/revision.html Offers practical tips on proofreading, and a list of resources that discuss how to proofread.
• http://www.ualr.edu/owl/proofreading.htm General tips to help the student through the proofreading process.
• http://www.class.uidaho.edu/druker/proofreading%20hints.htm Offers advice about writing style, specifically how to avoid using overly-common and lackluster phrasing, and how to edit them out of a paper.

Quotation Marks

• http://owl.english.purdue.edu/handouts/print/grammar/g_quote.html - A thorough treatment of quotation marks and their many uses. This page also provides links to other sites that may be useful when dealing with quoted material.
• http://grammar.ccc.commnet.edu/grammar/marks/quotation.htm - Site provides solid information and is followed by a quiz at the end.
• http://ess.nrcan.gc.ca/pubs/scipub/guide/punct/quot_e.php - Explains the difference between double and single quotation marks, and discusses the use of quotation marks with other punctuation.

Run-ons

• http://writingcenter.tamu.edu/content/view/13/78/ - TAMU's handout explains how to find and fix run-ons.
• http://grammar.ccc.commnet.edu/grammar/runons.htm - Run-ons defined with examples; this site also provides a power point presentation and quizzes.
• http://owl.english.purdue.edu/handouts/grammar/g_sentpr.html - An exercise for learning to deal with run-ons, comma splices, and fused sentences.

Semicolons

• http://www.grammarbook.com/punctuation/semicolons.asp - Explains how to use semicolons through rules and corresponding examples. This site has exercises and a quiz at the end.
• http://www.kentlaw.edu/academics/lrw/grinker/LwtaSemicolons.htm - Teaches rules pertaining to the semicolon through explanation and examples; the site also provides exercises at the end.
• http://grammar.ccc.commnet.edu/grammar/marks/semicolon.htm - Gives two rules for using semicolons, each followed by examples. Has an explanation for why semicolons are used and what they imply.

Spanish (Writing in Spanish)

• The UWC Handout on Comma Rules in Spanish provides a quick guide to ten basic rules, with examples.
• http://www.lingolex.com/accents.htm - A guide to writing accents in Spanish.
• http://www.essortment.com/hobbies/spanishwriting_sxyz.htm - Although this site emphasizes form, it gives some useful advice on writing letters in Spanish.

Spelling

• http://owl.english.purdue.edu/handouts/grammar/g_spelhomo.html - This page focuses on homophones, or words that sound alike but are spelled differently.
• http://grammar.ccc.commnet.edu/grammar/spelling.htm - An excellent site which provides information both in a Power Point presentation and in a regular web format. After a series of suggestions for improving spelling, spelling rules are given along with examples.
• http://www.davidap.com/english/spelling.htm - Bright and colorful, this site covers common spelling mistakes thoroughly.

Subject-Verb Agreement

• http://grammar.ccc.commnet.edu/grammar/sv_agr.htm - Good coverage of subject/verb agreement with a Power Point presentation and interactive quizzes on the subject.

• http://leo.stcloudstate.edu/grammar/subverag.html - Clear explanation of what subject-verb agreement means with examples.
• http://aliscot.com/bigdog/agreement_sv.htm - Imaginative discussion of subject/verb agreement with an interactive self-test.
• The following links provide exercises to test your knowledge of subject-verb agreement:
  ~ http://a4esl.org/q/h/9901/cw-svagreement.html
  ~ http://www.iei.uiuc.edu/structure/structure1/svagree.html

• http://owl.english.purdue.edu/handouts/print/grammar/g_actpass.html - Produced by the Purdue University Online Writing Center, this handout gives suggestions on choosing active or passive voice. 
• http://english-zone.com/index.php?ID=51 - Includes a chart outlining different uses of active and passive voice.
• http://www.unc.edu/depts/wcweb/handouts/passivevoice.html  - Look here to find out what the passive voice is, why many professors and writing instructors frown upon it, and how you can revise your paper, using simple strategies, to achieve greater clarity.