exercises: can - can`t

<a href="http://www.englishexercises.org/makeagame/viewgame.asp?id=5084">Can for beginners</a>, by Irina<br>Find this and other <a href="http://www.englishexercises.org/buscador/buscar.asp?nivel=any&age=0&tipo=any&contents=modals">modals exercises</a> in <a href="http://www.englishexercises.org%22%3eenglish/ Exercises .org</a>