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 he had someone that he could play with. 3.I have some letter 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.There are six letters which have to be written today. 7.He was the second man who was killed in this way. 8.Here is the novel that she should read. 9.The man who was interviewed was entirely unsuitable. 10. I wish I had a box that I could keep my letter in.