Form 6

https://www.superprof.es/apuntes/idiomas/ingles/gramatica-inglesa/pronouns/exercises-interrogative-pronouns-i.html
https://www.englisch-hilfen.de/en/exercises/questions/word_order3.htm
http://www2.arnes.si/~oskplucija4/ces/quandan.htm
http://www2.arnes.si/~oskplucija4/ces/usfulphrases.htm

So, such

https://www.englishpage.com/minitutorials/sosuchexercise.htm
https://www.perfect-english-grammar.com/so-and-such-exercise-1.html
https://www.learnenglishfeelgood.com/so-such-practice-test1.html

4 класс

https://agendaweb.org/exercises/vocabulary/months-match-2
http://localhost/magicbox3/mb3.html

5 класс

https://www.ego4u.com/en/cram-up/grammar/future-1-will/exercises?02
https://agendaweb.org/exercises/verbs/future/will-positive-negative-questions-write

https://www.ego4u.com/en/cram-up/tests/future-1-will-1
http://www.focus.olsztyn.pl/en-future-simple-tense-exercises.html#.XrEyoqgzZPY