1. She told him not to touch it=>
2. He told me not to do that again
3. He told her not to talk to his like that
4. She warned him not to  repair the computer himself
5. She told me not to let him in
6. she begged her not to go uot without him 
7. She told me not to forget my bag
8. The chemistry teacher told his students not to eat in the lab
9. She told the boys not to hurt themself
Tất cả các câu đều là câu trực tiếp phủ định