Irregular verbs

 https://en.islcollective.com/english-esl-video-lessons/grammar-practice/general-grammar-practice/past-simple-tense/monsters-inc-2-18-past-simple-irregular-verbs/926190

https://en.islcollective.com/english-esl-video-lessons/grammar-practice/general-grammar-practice/past-simple-tense/donald-duck-past-simple-irregular-verbs/797478