Помогите решить тест по английскому. 4 и 5 задание.

41)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.51)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?