Dưới đây là các câu đã được biến đổi theo yêu cầu:

1. Please don't tell anyone about it.
- I'd rather you **didn't tell anyone about it**.

2. I would prefer you deliver the sofa this afternoon.
- I'd rather you **delivered the sofa this afternoon**.

3. "Why don't you ask yourself?"
- My friend suggests that **you ask yourself**.

4. She urged her husband to apply for the post in the government.
- She urged that her husband **apply for the post in the government**.

5. They insisted on my coming early.
- They insisted that **I come early**.

6. An accountant needs to master computer science.
- It is necessary that **an accountant masters computer science**.

7. It's time for us to leave now.
- It's time we **left**.

8. What a pity! Your sister can't come with us.
- If only **your sister could come with us**.

9. Everyone finds it important for us to do something to save the environment.
- It is important that we **do something to save the environment**.

10. Michael lost his job last month, so he cannot buy a car.
- If Michael **hadn't lost his job last month, he could buy a car**.

11. He regrets applying for the job in that company.
- He wishes **he hadn't applied for the job in that company**.

12. The headmaster insists on every schoolgirl's wearing ao dai every Monday.
- The headmaster insists that **every schoolgirl wear ao dai every Monday**.

13. They advise her to eat less meat and fat to keep herself healthy.
- It is advisable that she **eat less meat and fat to keep herself healthy**.

14. Naturally, a child had better respect his parents.
- It is natural that **a child respects his parents**.

15. He needs to come to the interview early.
- It is necessary that **he comes to the interview early**.

Hy vọng các câu trả lời ở trên sẽ giúp ích cho bạn!