Talking about past events - Questions, negative sentences

Affirmative and negative sentences in past: grammar review
https://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/pastnq.htm

Grammar review
https://learnenglishkids.britishcouncil.org/grammar-practice/past-simple-sentences

Make negative sentences: exercises

https://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/pastnq1.htm
How to make questions in past: grammar review and exercises
https://learnenglishkids.britishcouncil.org/grammar-practice/past-simple-questions