Replace the Relative clause by an infinitive or infinitive phrase. 1. We had a river in which we could swim. 2. The child would be happier if she had someone that he could play with. 3. I have some letters that I must write. 4. If she had a family that she had to cook for, she would be more interested. 5. I haven't anyone that I can go with. 6. We had to eat standing up because we hadn't anything that we could sit on. 7. I wish I had a box that I could keep my letters in. 8. She hadn't anyone to whom she could send cards. 9. Have you got a key that can unlock this door ? 10. There are six letters which have to be written today. 11. There is a bench that your children can sit on. 12. We have some picture books that children can read. 13. He was the second man who was killed in this way. 14. Here is the novel that she should read. 15. The man who was interviewed was entirely unsuitable.

Để thay thế mệnh đề quan hệ bằng mệnh đề vô nghĩa hoặc cụm động từ vô nghĩa, chúng ta thường sử dụng cấu trúc sau: "to + động từ".

Ví dụ:
1. We had a river in which we could swim.
=> We had a river to swim in.

2. The child would be happier if she had someone that he could play with.
=> The child would be happier if she had someone to play with.

3. I have some letters that I must write.
=> I have some letters to write.

4. If she had a family that she had to cook for, she would be more interested.
=> If she had a family to cook for, she would be more interested.

5. I haven't anyone that I can go with.
=> I haven't anyone to go with.

6. We had to eat standing up because we hadn't anything that we could sit on.
=> We had to eat standing up because we hadn't anything to sit on.

7. I wish I had a box that I could keep my letters in.
=> I wish I had a box to keep my letters in.

Và cứ tiếp tục với các câu khác nhé!

The man interviewed was entirely unsuitable.

Here is the novel to read.

He was the second man to be killed in this way.

We have some picture books for children to read.