Answer:
1)He said he had bought a new car.
2) She said Tony had done it.
3)Peter said that he had worked in the garden.
4) She asked me if I had studied English the day before.
5)She said that she had lived here in 2002.
6)He told his wife that they hadn´t cleaned the kitchen properly that morning.
7) She asked me if I had bought the laptop for her.
8) I asked him why he had told a lie.
9)He said he had seen a good film the day before.
10) He said that he had enjoyed his holiday in the States.
Explanation:
The equivalent in reported speech for a phrase in simple past should be in past perfect. For example:
"I bought a new car" is a simple past direct speech sentence. to rephrase it as reported speech the verb "bought" should be changed to the past perfect conjugation:
He said he had bought a new car.
