This worksheet includes short grammar guide on Past Simple. It also comprises exercises on use of regular/irregular verbs, negative and question forms. I'd advise you to learn list of irregular verbs at least one lesson before. 

past-simple-grammar-drills-grammar-guides_113070.docx

Grammar Guide & Exercises - Past Simple - Negative & Questions

grammar-guide-exercises-past-simple-negative-questions

Let's do English ESL general grammar practice. This worksheet includes short grammar guide on Past Simple. It also comprises exercises on use of regular/irregul…