SIMPLE PAST REGULAR VERBS

	Positive	Negative	Question
no differences	I played.	I did not play.	Did I play?

http://www.englishexercises.org/makeagame/viewgame.asp?id=4061

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/pasted1.htmm

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