1.  https://7esl.com/english-verbs/
  2. https://www.citationmachine.net/resources/grammar-guides/verb/list-verbs/
  3. https://www.linguasorb.com/english/verbs/most-common-verbs/
  4. https://www.education.com/worksheets/verbs/
  5. https://englishan.com/verbs-list-a-to-z/
  6. https://engdic.org/verbs-forms-list/
  7. https://www.worldclasslearning.com/english/five-verb-forms.html
  8. https://www.learngrammar.net/english-grammar/verb
  9. https://examplanning.com/types-of-verbs-examples-list/