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.