6th class - Řadové číslovky - ordinal numbers

http://www.englishexercises.org/makeagame/viewgame.asp?id=2367

http://www.esolcourses.com/content/exercises/beginners/unit1/vocab/numbers/ordinal/11-20/wordmatch.html

IRREGULAR VERBS + PRESENT PERFECT

http://www.macmillandictionary.com/verb_wheel/

http://www.englisch-hilfen.de/en/exercises/irregular_verbs/fill_in.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=2030

společná hra
http://www.eslgamesplus.com/present-perfect-vs-past-tenses-rally/