1. He didn't write a book.
Did he write a book?
2. She wasn't my boss.
Was she your boss?
3. They didn't build a new house.
Did they build a new house?
4. I wasn't at the concert last Sunday.
Were you at the concert last Sunday?
5. I didn't buy clothes in this little shop.
Did you buy clothes in this little shop?
6. They weren't born in Korea.
Were they born in Korea?
7. My sister didn't go to her office by car.
Did you sister go to her office by car?
8. He didn't cook well last year.
Did he cook well lats year?
9. She didn't speak English fluently.
Did she speak English fluently?
10. They didn't invite us to their party.
Did they invite you to their party?
