intro

best http://grammar.ccc.commnet.edu/grammar/intros.htm
http://www.canberra.edu.au/studyskills/writing/introductions
http://lrs.ed.uiuc.edu/students/fwalters/essaybasic.html

5paragraph essay: http://grammar.ccc.commnet.edu/grammar/five_par.htm
http://essayinfo.com/essays/5-paragraph_essay.php


http://www.crlsresearchguide.org/17_Writing_Introduction.asp (2 examples)