http://learnenglishkids.britishcouncil.org/en/grammar-games/present-simple-and-present-continuous
http://learnenglishkids.britishcouncil.org/en/grammar-games/adverbs-frequency
http://learnenglishkids.britishcouncil.org/en/grammar-games/adverbs-frequency
http://www.eslgamesplus.com/present-progressive-continuous-esl-grammar-fun-game-online/
http://learnenglishkids.britishcouncil.org/en/grammar-games/modals-can-and-cant