- http://www.better-english.com/grammar/willgo.htm
- http://www.agendaweb.org/verbs/future-simple-exercises.html
- http://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future.htm
- http://www.englishexercises.org/makeagame/viewgame.asp?id=3135
- http://www.englishpage.com/verbpage/verbs18.htm
- http://www.englishgrammarsecrets.com/goingtoorwill/menu.php
- https://elt.oup.com/student/solutions/preint/grammar/grammar_06_012e?cc=co&selLanguage=en
- http://www.grammarbank.com/will-vs-going-to-exercises.html