https://www.gingersoftware.com/content/grammar-rules/verbs/list-of-irregular-verbs/
Completion requirements
https://www.gingersoftware.com/content/grammar-rules/verbs/list-of-irregular-verbs/
Click on https://www.gingersoftware.com/content/grammar-rules/verbs/list-of-irregular-verbs/ to open the resource.