Помогите решить тест по английскому. 4 и 5 задание.

4
1)What is your brother doing in the afternoon?
2)We have breackfast at weekends.
3)who are speaking to Helen now?
4)they don't go to the internet cafe.
5)we are writing a test at the moment.

5
1)My sister don't care about me.
2)Is there any food left?
3)There are a lot of people,who I've known for quite a while.
4)Is he having many friends here?
5)How often do you spend time together?