Completing these is a fantastic first step. However, to truly internalize the grammar, you must use it actively. Here is your 7-day action plan:

Question: you finish your homework? / Did they arrive on time? Simple Past Exercises

He often ___________ books in the evening. ( read / reads / will read )

Regular: walked, stopped, played, studied, tried. Irregular: went, bought, saw, broke, flew.

The train usually __________ (arrive) at 8:00 AM, but it was late today. Next week, our teacher __________ (give) us a pop quiz.