Hi there!
If you need more work on narrative tenses, would and used to, try these webpages

https://elt.oup.com/student/englishfile/advanced3/grammar/file02/grammar02_b01?cc=global&selLanguage=en

https://elt.oup.com/student/englishfile/advanced/a_grammar/file02/nef_int_grammar_2_01?cc=global&selLanguage=en

https://www.examenglish.com/grammar/used_to_would.htm

Remember you can find further exercises in your workbook.