http://www.agendaweb.org/verbs/have-present/index.html
http://www.agendaweb.org/exercises/verbs/have.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=1970
http://www.agendaweb.org/exercises/verbs/have-negative.htm
http://www.interakceprozkolu.kvalitne.cz/priklady.html?gr=19&index=1
http://www.montsemorales.com/gramatica/havegot4neg.htm
http://www.adelescorner.org/grammar/have_got_q/havegotq.html
http://www.montsemorales.com/gramatica/havegot3.htm
http://www.montsemorales.com/gramatica/havegot5.htm
http://www2.arnes.si/~oskksavokl2/have_got.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=3170