4.Are you working?-Yes,I am
5.Is he working?- No,he is a teacher
6.My brother is not studying.He is working.
7.Are you wearing glasses?/do you wear glasses?
8.Are you helping people/Do you help people?
9.Is he like reading fairy tales?/Does he like reading fairy tales?
10.My sister is not reading books./My sister does not like read books.