LINKS CON EJERCICIOS PAST TENSE

http://www.englishexercises.org/makeagame/viewgame.asp?id=3686

http://www.englishexercises.org/makeagame/viewgame.asp?id=2316

http://www.englishexercises.org/makeagame/viewgame.asp?id=2252

http://www.englishexercises.org/makeagame/viewgame.asp?id=2088

http://www.englishexercises.org/makeagame/viewgame.asp?id=1850

http://www.englishexercises.org/makeagame/viewgame.asp?id=2325