Wh-questions

http://www.isabelperez.com/qwords.htm
http://a4esl.org/q/j/ck/fb-queswords.html
http://a4esl.org/q/j/ck/fb-queswords.html
http://www.englishexercises.org/makeagame/viewgame.asp?id=5283
http://www.englishexercises.org/makeagame/viewgame.asp?id=1898

Lista de wh-questions
http://www.sherton.com.ar/curso-ingles/preguntas/whquestions.htm

Present simple and present continuous

http://www.englishexercises.org/makeagame/viewgame.asp?id=1438