Present simple http://www.agendaweb.org/verbs/present_simple-exercises.html
http://www.really-learn-english.com/simple-present-exercises.html
past continuous
http://www.agendaweb.org/verbs/past_progressive-exercises.htmlhttp://www.agendaweb.org/verbs/past_progressive-exercises.html
materials
http://www.englishexercises.org/makeagame/viewgame.asp?id=6704http://www.englishexercises.org/makeagame/viewgame.asp?id=6704
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/vocabulary-exercises/patterns-and-materials
Xmas vocabulary
http://englishflashgames.blogspot.com.es/2010/12/christmas-vocabulary-game.html
http://www.agendaweb.org/christmas.html
http://www.really-learn-english.com/simple-present-exercises.html
past continuous
http://www.agendaweb.org/verbs/past_progressive-exercises.htmlhttp://www.agendaweb.org/verbs/past_progressive-exercises.html
materials
http://www.englishexercises.org/makeagame/viewgame.asp?id=6704http://www.englishexercises.org/makeagame/viewgame.asp?id=6704
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/vocabulary-exercises/patterns-and-materials
Xmas vocabulary
http://englishflashgames.blogspot.com.es/2010/12/christmas-vocabulary-game.html
http://www.agendaweb.org/christmas.html