Online Dictionaries
http://esl.about.com/library/vocabulary/blcollocation_3.htm
http://www.macmillandictionary.com
http://www.freebyte.com/dictionary/#learnlanguagesforfree
http://dictionary.cambridge.org
http://www.onlineordbog.dk/wordnet/en/2e/nuclear_family.php
http://www.merriam-webster.com
http://dictionary.reference.com
English Learning Websites
http://www.grammarbook.com/grammar/subjectVerb.asp
http://engli.webpark.pl/sentencerewriting.html
http://www.elllo.org/english/NewsCenter/N06-Quake.htm
