1. I don't often have to go to the library.
Do I often have to go to the library?
2. She doesn't have to stay in bed.
Does she have to stay in bed?
3. I haven't got to speak to you.
Have I got to speak to you?
4. He hasn't got to see a lot of people today.
Has he got to see a lot of people today?
5. He didn't have to go for the book at once.
Did he have to go for the book at once?
6. She didn't have to go to bed late last night.
Did she have to go to bed late last night?