Irregular pasts in English

1. https://matchthememory.com/irregularverbs
2. https://agendaweb.org/exercises/verbs/simple-past-irregular-1
3. https://agendaweb.org/exercises/verbs/irregular-past-1.htm
4. https://agendaweb.org/exercises/verbs/simple-past-irregular-2
5. https://agendaweb.org/exercises/verbs/irregular-past-2.htm
6. https://agendaweb.org/exercises/verbs/simple-past-irregular-3
7. https://agendaweb.org/exercises/verbs/irregular-past-3.htm
8. https://agendaweb.org/exercises/verbs/simple-past-irregular-4
9. https://agendaweb.org/exercises/verbs/irregular-past-4.htm
10. http://www.engelsgemist.nl/past-simple-1/ 
11. http://elovivo.com/introenglish/en/intro_english/lessons_wordlist/basic_english_lesson_12/lesson12a_ex.html
12. https://www.gamestolearnenglish.com/past-tense-game/
13. https://www.esolcourses.com/content/exercises/wordmatch/6/wordmatch.html
14. https://www.proprofs.com/quiz-school/quizshow.php?title=irregular-verbs-1-to-20-multiple-choice&q=1
15.  https://www.quia.com/cb/8111.html?AP_rand=1227307875 
16. https://www.quia.com/cb/8111.html
17. https://www.quia.com/pop/136855.html?AP_rand=154488035
18. http://www.focus.olsztyn.pl/en-the-past-simple-tense-exercises.html#.XJs2mKSCHIU
19. http://www.english-room.com/grammar/pastsimpletense_01.htm 
20. http://www.english-room.com/grammar/pastsimpletense_02.htm
21. http://www.english-room.com/grammar/pasttense_weekend1.htm
22. https://www.grammar.cl/Games/Past_Irregular_Verbs.htm
23. http://www.learn-english-online.org/Lesson29/TestIt/SimplePast.htm
24. https://www.montsemorales.com/gramatica/PastSimpAffIrregSw2-4.htm
25. https://www.cambridgeenglish.org/learning-english/activities-for-learners/a1g003-past-simple-of-irregular-verbs
26. https://www.esolcourses.com/content/exercises/grammar/pastsimple/page1.html
27.