WAS / WERE song

http://www.englisch-hilfen.de/en/exercises/tenses/was_were.htm

http://www.agendaweb.org/verbs/tobe-past-simple/index.html

http://www.agendaweb.org/exercises/verbs/to-be-past-simple.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=2023

http://www.englishmaven.org/HP6/To_Be_Exercise5.htm

http://a4esl.org/q/f/z/zz86skm.htm

http://www.usingenglish.com/quizzes/77.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=3509

http://www.purposegames.com/game/waswere-wasntwerent-game