English connectors

Here you have some websites where you can find many examples of the use of connectors:

http://menuaingles.blogspot.com/
http://www.eslgold.com/grammar/explanations.html
http://odl.vwv.at/english/odlres/res8/Grammar/grammar.htm
http://englishonline.sites.uol.com.br/english/advanced.htm
http://blog.unir.net/ingles-b1/consultas/english-connectors-conectores 
http://perso.wanadoo.es/autoenglish/gr.connect.i.htm
http://www.tutorvista.com/content/english/english-i/work-book/connectors.php
http://www.polseguera.org/advanced_english_grammar/connectors.php
http://www.grammar-quizzes.com/connectsum.html
http://www2.udec.cl/~ebanados/proyecto/rules.htm
http://esl.about.com/od/writingintermediate/a/w_connectors.htm
http://heptagrama.com/connectors-glossary.htm

http://www.shertonenglish.com/