7A AND OTHERS - PAST CONTINUOUS

WATCH THE INTRODUCTION
https://www.youtube.com/watch?v=yFhLMlESz5w

AND NOW WHAT'S THE DIFFERENCE BETWEEN PAST CONTINUOUS AND PAST SIMPLE:
https://www.youtube.com/watch?v=oJiw_439iu8

AND SOME EXERCISES
https://www.myenglishpages.com/site_php_files/grammar-exercise-past-progressive.php

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