FUTURO INMEDIATO

https://english.lingolia.com/es/gramatica/tiempos-verbales/future-i-simple-going-to/ejercicios

https://learnenglishkids.britishcouncil.org/en/grammar-practice/going-plans

https://elt.oup.com/student/solutions/preint/grammar/grammar_06_012e?cc=global&selLanguage=en

http://www.ejerciciodeingles.com/ejercicios-distinguir-going-to-will/

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-17802.php

http://www.agendaweb.org/verbs/future-be-going-to-exercises.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=5640

https://sites.google.com/site/easygrammar4kids/the-future/going-to-Future

http://www.vitutor.com/gramatica_inglesa/verb_tense/be_going_to.html