1. https://agendaweb.org/verbs/mixed-tenses.html

2. https://www.english-grammar.at/online_exercises/tenses/tenses_index.htm

 3.https://test-english.com/grammar-points/b1/review-verb-tenses-b1/

4. https://sites.google.com/site/meyenglishclassb2/grammar/tense-revision

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

2.https://english.lingolia.com/en/grammar/tense-comparison/future-tenses/exercises

3.https://test-english.com/grammar-points/b2/future-forms-expressing-future-time/

 4.https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Future_tenses/Future_tenses_as1232566jn

 5.Future tenses liveworksheet 

6.https://www.eltbase.com/quiz/154_05.htm

 7. https://www.englishtestsonline.com/future-tenses-test-b1-grammar-exercises/

Games 

https://wordwall.net/es/community/future-tenses

Videos and listenings

 https://eslvideo.com/category.php?catid=Future%20Tenses

Games to learn English

https://www.gamestolearnenglish.com/