Please explore this fantastic web site

http://owl.english.purdue.edu/

Other  interesting places are:

http://www.michellehenry.fr/exprecr2.htm#bio

http://academics.smcvt.edu/cbauer-ramazani/Links/esl_writing.htm

A site about biographies:

http://www.biography.com/

http://www.famouspeoplelessons.com/