1. Her room is very dirty. (clean it every day)
=>She ought to clean it every day.
2. I play tennis badly. (practice tennis more regularly)
=>You ought to practice tennis more regularly.
3. My father has a sore throat. (not smoke so much)
=>He ought not to smoke so much.
4. Nam feels very tired. (go to bed early)
=>Nam ought to go to bed early.
5. He had an accident last week. (not drive so fast)
=>He ought not to drive so fast.
6. I catch flu. (stay in bed)
=>You ought to stay in bed.
7. Hoa feels sleepy. (not stay up late)
=>Hoa ought not to stay up late.
8. His shirt is very old. (buy a new one)
=>He ought to buy a new one.
Bạn tham khảo nha!!