Forms 6a, 6c. Past Simple vs Past Continuous

 For practicing PAST SIMPLE:

https://www.perfect-english-grammar.com/past-simple-exercise-8.html;

https://agendaweb.org/verbs/past_simple-exercises.html;

For practicing PAST CONTINUOUS:

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

https://www.perfect-english-grammar.com/past-continuous-exercise-3.html;

https://agendaweb.org/verbs/past_progressive-exercises.html;

For practicing PAST SIMPLE vs PAST CONTINUOUS:

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive.htm;

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

https://www.perfect-english-grammar.com/past-simple-past-continuous-exercise-2.html;

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