Irregular verbs

Pronunciation:

http://www.manythings.org/repeat/1.html
http://english-irregular-verbs.blogspot.cz/

On-line exercises:

https://www.umimeanglicky.cz/cviceni-past-simple-tense-irregular-verbs

https://wordwall.net/cs-cz/community/irregular-verbs-test

https://www.englisch-hilfen.de/en/exercises_list/verbs.htm

https://www.ego4u.com/en/cram-up/grammar/irregular-verbs/exercise

https://www.perfect-english-grammar.com/irregular-verbs-exercise-1.html