verb TO BE, SIMPLE PAST

affirmative:
http://mbonillo.xavierre.com/exercises/eso1/1eso2009/bepast1e3.htm

interrogative:
http://mbonillo.xavierre.com/exercises/eso1/1eso2009/bepast1e4.htm

negative:
http://mbonillo.xavierre.com/exercises/eso1/1eso2009/bepast1e5.htm

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

http://www.englishexercises.org/makeagame/viewgame.asp?id=8366