Form, use and spelling
http://www.theyellowpencil.com/gramapresente.html Activities and video-explanation.
http://jhoncastroenglishteacher.blogspot.com/ a teacher explains you the difference between present simple and present continuous.
Present tense games
We offer a rich variety of grammar games according to grammar topics. There are grammar games like : Snakes and Ladders grammar games, Basketall, Football, Hangman, Wheel of Fortune, TV Games and more to help practice grammar.