Harjoittele kieltolauseita:

http://www.grammar.cl/Games/Dont_Doesnt.htm

http://www.montsemorales.com/gramatica/PresSimpNeg1Spt.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=4599

http://www.english-room.com/negative_5.htm