- Games online:
https://learnenglishkids.britishcouncil.org/en/grammar-practice/present-simple-verb-be
https://www.eslgamesplus.com/verb-to-be-auxiliary-verb-am-is-are-esl-grammar-activity/
http://www.engames.eu/grammar/Verb%20to%20be/Verb%20to%20be%20quiz%20(Web)/index.html
http://www.bradleys-english-school.com/online/flashmultiplechoice/mc_amisare.html