SIMPLE PAST WITH BE

https://test-english.com/grammar-points/a1/was-were/

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

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

https://learnenglishkids.britishcouncil.org/grammar-vocabulary/grammar-practice/past-simple-verb-be

https://wordwall.net/es/resource/74336076/ingl%c3%a9s/past-simple-verb-to-be

https://wordwall.net/es/resource/75201878/ingl%c3%a9s/was-were