6. Staffs need to leave by 6.P.M
7. You need to finish your homework before going to bed.
8. I don't need to type my essay.
9. You don't need to bring food and drink for lunch.
10. Jack doesn't need to call Ben today.
11. You should tell the truth to your family.
12. He should stop wasting money on lottery.
13. I am advised to study English to get a good job.
14. you should spend more time talking with my children.
