5º: Questions

Here you have plenty of links to practice using word questions, making yes/no questions, word order in questions, correcting mistakes...

https://www.myenglishpages.com/site_php_files/grammar-exercise-wh-questions.php

https://speakspeak.com/english-grammar-exercises/elementary/exercise-interrogative-pronouns

https://www.englisch-hilfen.de/en/exercises/questions/answers_questions.htm

https://www.englisch-hilfen.de/en/exercises/questions/question_words4.htm

https://www.englisch-hilfen.de/en/exercises/questions/mistakes.htm

https://www.englisch-hilfen.de/en/exercises/questions/mistakes2.htm

https://www.englisch-hilfen.de/en/exercises/questions/question_words.htm

https://www.englisch-hilfen.de/en/exercises/questions/question_words2.htm

https://www.englisch-hilfen.de/en/exercises/word_order/statement-question.htm

https://www.englisch-hilfen.de/en/exercises/questions/be.htm

https://www.englisch-hilfen.de/en/exercises/questions/word_order3.htm

https://www.englisch-hilfen.de/en/exercises/questions/word_order4.htm

https://www.englisch-hilfen.de/en/exercises/questions/word_order5.htm

https://www.myenglishpages.com/site_php_files/grammar-exercise-yes-no-questions.php