Преобразуйте предложения в вопросительные и отрицательные.
1. The children listened to their mother very attentively.
2. Peter went home at once.
3. She did her homework quite correctly.
4. The children ran to the river to bathe.
5. The postman knocked at the door.
6. They looked at me angrily.
7. We left the house early that morning.
8. She told him everything at once.
9. The lesson began at eight o’clock.
10. They knew nothing about me.