https://learnenglish.britishcouncil.org/basic-grammar/adjectives-ending-in-ed-and-ing
http://esl.fis.edu/vocab/q12m/BLU462.htm
https://www.english-grammar.at/online_exercises/adjective_adverb/ad018-adjective-or-adverb-er-ing.htm
http://eslbluesapps.com/m/mc/tiredin3m.html
https://www.ecenglish.com/learnenglish/lessons/adjectives-ed-or-ing/