Doplň tvar slovesa být
21. 1. 2013
http://www.englishexercises.org/makeagame/viewgame.asp?id=2813
http://www.web-esl.com/tobe/tobe.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1940
http://www.englishexercises.org/makeagame/viewgame.asp?id=927
http://www.bastrimbos.com/Hotpotatoesfiles/vormenvanbe.htm
http://www.bradleys-english-school.com/online/flashmultiplechoice/mc_amisare.html - klikej na čísla 1, 2, 3