Past Simple: REGULAR

Exercise 1: https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_statements.htm
Exercise 2: https://first-english.org/english_learning/english_tenses/simple_past/2/06_english_simple_past.htm
Exercise 3: https://first-english.org/english_learning/english_tenses/simple_past/2/07_simple_past_regular_verbs_exercises.htm
Exercise 4: https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-6036.php
Exercise 5 (questions): https://first-english.org/english_learning/english_tenses/simple_past/30_simple_past_questions_exercises.htm
Exercise 6 (different): https://www.perfect-english-grammar.com/past-simple-exercise-8.html