EXERCISES
- -ing form
- http://www.agendaweb.org/verbs/present_continuous-exercises.html
- https://www.ego4u.com/en/cram-up/tests/present-progressive-1
GAMES
- http://www.eslgamesplus.com/action-verbs-present-progressive-grammar-game-rally-game/
- http://www.eslgamesplus.com/present-progressive-continuous-esl-grammar-fun-game-online/
- http://www.eslgamesworld.com/members/games/grammar/fling%20the%20teacher/actionverbs/present%20progressive%20multiple%20choice.html
- http://www.englishmedialab.com/GrammarGames/present%20tenses/new/present%20progressive%20spelling.html
- http://eslpuzzles.com/Grammar%20Games/Present%20Continuous%20Games/Present%20Continuous%20Grammar%20Game%20Basketball.html
- https://www.mes-games.com/verbs1.php
