Past Perfect and Past Continuous Practice

Practice Past Tense verbs with these quizzes. 
http://www.usingenglish.com/quizzes/140.html
http://www.english-zone.com/verbs/pstperf1.html
http://english-quiz.net/past-perfect-tense-quiz.html
http://www.usingenglish.com/quizzes/153.html
http://www.usingenglish.com/quizzes/153.html
http://www.eslcafe.com/quiz/past1.html