Past continuous - minulý čas průběhový

2. Use and practice - použití

When she CAME home, I WAS READING a book. 

We WERE WALKING down the street when it BEGAN to rain. 

I BROKE my leg while I WAS PLAYING football. 

What WERE you DOING last night at 10?  I WAS WATCHING TV. 

Practice 

https://learnenglish.britishcouncil.org/grammar/english-grammar-reference/past-continuous

https://www.perfect-english-grammar.com/past-continuous-exercise-1.html?utm_content=cmp-true