S + be + supposed + to V. (Ai đó có nhiệm vụ/phải làm gì)
1. People say that nuclear energy has caused lots of problems.

-> Nuclear energy is supposed

2. It’s nearly 8 o’clock and I’m supposed to be picking Ann right now.

-> It’s my duty

3. It’s your duty to clean all the windows.

-> You are

4. It was said that the train arrived at 11:30, but it was an hour late.

-> The train was supposed

5. Oh no, I was supposed to call Mr. Brown, but I completely forgot.

-> It was my duty

6. Ms. Carol is supposed to complete all the reports after her recovery.

-> It’s Ms. Carol’s

7. HR department must inform all information about the summer trip of the year.

-> HR Department is