FUTURE WITH WILL, BE GOING TO, PRESENT CONTINUOUS, AND SIMPLE PRESENT

https://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future.htm

https://www.englishgrammar.org/grammar-exercise-7/

https://www.englishpage.com/verbpage/verbs18.htm

https://www.esl-lounge.com/student/grammar/2g33-will-going-to-exercise.php

https://englishgrammar.cafe/exercises/verbtenses/future-tense/

https://test-english.com/grammar-points/b1/future-forms/

https://test-english.com/grammar-points/b1/future-forms/2/

https://test-english.com/grammar-points/b1/future-forms/3/

https://www.english-4u.de/en/tenses-exercises/future.htm

https://www.ego4u.com/en/cram-up/grammar/future-mix/exercises