Subject and object questions - corso BE 1

https://www.englishgrammar.org/subject-object-question/

https://www.espressoenglish.net/subject-and-object-questions-in-english/

https://www.perfect-english-grammar.com/subject-questions.html

https://www.perfect-english-grammar.com/subject-questions-exercise-1.html

https://www.youtube.com/watch?v=l7kQ5gokJ6A