PAST SIMPLE / PAST CONTINUOUS

 1. https://www.perfect-english-grammar.com/past-simple-past-continuous-exercise-1.html

2. https://agendaweb.org/exercises/verbs/past-continuous/simple-continuous-1

3. https://agendaweb.org/exercises/verbs/past-continuous/past-simple-past-continuous-write

4. https://www.spraz-ila.de/grammar/ingquiz1.htm

5. https://www.spraz-ila.de/grammar/ingquiz2.htm

6. https://www.english-grammar.at/online_exercises/tenses/t105-past-tense.htm

7. http://www.adelescorner.org/grammar/past_cont/past_cont_3.html