REGULAR VERBS IN THE PAST

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

https://elt.oup.com/student/solutions/elementary/grammar/grammar_06_022e?cc=us&selLanguage=en

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

https://www.ego4u.com/en/cram-up/grammar/simple-past/exercises?04