Past Perfect Quizzes

http://www.usingenglish.com/quizzes/140.html

http://www.britishcouncil.org/learnenglish-central-grammar-past-perfect.htm

http://www.learnenglish.org.uk/words/activities/pastperf02.html

http://www.english-zone.com/verbs/pstperf1.htm

http://ww2.college-em.qc.ca/prof/epritchard/whatanif.htm