Excellent information on general writing concerns: planning, writing, and revising
28) http://www.arts.uottawa.ca/writcent/hypergrammar/sntstrct.html
Information on different sentence types and how to structure them correctly
29) http://esl.about.com/library/weekly/aaspelling_rules_a.htm
Basic capitalisation and spelling rules – very useful for ESL students
30) http://www.dyslexia.org/spelling_rules.shtml
“Reading from Scratch – English Spelling Rules” – this site covers the spelling rules for vowel sounds, suffixes, etc. An excellent, in-depth reference!
31) http://www.manythings.org/cts/
A game to practice spelling!
32) http://esl.about.com//od/englishgrammar/a/a_punctuation.htm
A guide to basic English punctuation rules
33) http://www.informatics.susx.ac.uk/doc/punctuation/node00.html
Guide to Punctuation by Larry Trask, School of Cognitive & Computing Sciences, University of Sussex - This in-depth site has links to rules for everything you need to know about English punctuation