4.
1 Have you ever been to Turkey?
2 What are you going doing on Sunday?
3 Do you use a computer?
4 What did you do last night?
5 What is the teacher doing?
6 What do you like doing in your free time?
7 What does your father do?
8 What were you doing at 5 o'clock yesterday?
9 How long have you been studying English?
10 What are you going to do tonight?