Chuyển sang passive voice
1. I must buy the book for reference.
The book....
2. We don't need to buy the book.
The book....
3. She needn't buy the book.
The book....
4. My sister can't be helped because I am busy.
I....
5. The lessons should have been reviewed carefully.
You...
6. They started building the house 2 months ago.
The house....
7. He continues to write the books.
The books....
8. We begin to do the task.
The task...
9. We expect him to answer our questions.
We expect...
10. She doesn't want me to call her at night.
She doesn't....
1. The book must be bought for reference
2. The book doesn't need buying by us
3. The book doesn't need buying by her
4. I can't help my sister because I am busy
5. You should have reviewed the lessons carefully
6. The house started being built 2 months ago
7. The book continues to be written
8. The task begins to be done
9. We expect our questions to be answered
10. She doesn't want to be called at night