Переведите в косвенную речь : 1. why didn't he buy a mobile phone for son . 2.what happened to the boy's brother. 3.what does he need to get over his illness. 4.who said that the boy could do without a mobile phone for some time.

1. She asked him why he hadn't bought a mobile phone for son .
2. A doctor asked what had happened to the boy's brother.
3.He asked what he needed to get over his illness.
4.I wondered who had said that the boy had been able to do without a mobile phone for some time.