Past simple: regular (+)(-)(?)
- https://www.cram.com/flashcards/3bcd-p2-4ed-past-simple-regular--11845369
- https://www.classtools.net/wordshooter/202012_PdXQb3
Past simple: irregular (+)(-)(?)
- https://www.cram.com/flashcards/3bcd-p2-4ed-past-simple-irregular--11845377
- https://www.classtools.net/wordshooter/202012_CDS64U
Past simple: Wh-questions
- https://www.cram.com/flashcards/3bcd-p2-4ed-past-simple-wh-questions-11845381
- https://www.classtools.net/wordshooter/202012_245ARR