1. Does my sister have a very beautiful voice?
My sister doesn't have a beautiful voice
2. Does John have a shower every morning and every evening?
John doesn't have a shower every morning and evening
3. Does the last train leave at midnight?
The last train doesn't leave at midnight
4. Does he live beside the sea?
He doesn't live beside the sea
5. Is the room terribly stuffy?
The room isn't terribly stuffy
6. Does the traffic in England keep to the left?
In England traffic doesn't keep to the left
7. Do mothers often tell small children stories before bedtime?
Mothers don't often tell small children stories before bedtime
8. Does she always have lunch at the office?
She doesn't always have lunch at the office
9. Are they my best friends?
They are not my best friends
10. Does my father buy a morning newspaper every day?
My father doesn't buy a morning newspaper every day
11. Do their children get up very early?
Their children don't get up very early