Помогите с Английским (4)

1.What are you playing now? 2.Is your brother doing the shopping? 3.Is it raining? 4.what Sam is building? 5.who is looking at him? 6.where the birds are flying? 7.are you eating a cake? 8.why I'm reading a book? Ну вроде все правильно ☺надеюсь помогла