http://www.englishgrammarsecrets.com/goingtofuture/menu.php
http://a4esl.org/q/h/0101/sv-goingto.html
http://www.englishclub.com/grammar/verbs-m_future-gt.htm
http://www.ego4u.com/en/cram-up/grammar/future-1-going-to
http://www.englisch-hilfen.de/en/exercises/tenses/going_to_future_statements.htm
http://www.englisch-hilfen.de/en/exercises/tenses/going_to_future_mix.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=5640
http://www.english-grammar-lessons.com/goingtofuture/menu.php
http://www.englishpage.com/verbpage/verbs20.htm
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