What:
1. What do you need from me?
2. What is your problem?
3. What are you doing?
4. What is your name?
5. What do you like better?
Where:
1. Where do you live
2. Where Can I get the product?
3. Where can you meet me?
4. Where were you?
5. Where is Mary? She was here just a moment ago
What time:
1. What time is it?
2. At what time can I pick you up?
3. At what time are going to do your homework?
4. At what time do you go to sleep?
5. At what time do you eat dinner?
When
1. When did you change your clothes?
2. When are you going to stop screaming at me?
3. When is the next metting?
4. When are you going to your house?
5. When are you going to stydy?