Преобразуйте предложения в косвенную речь

1)He said that he knew it
2)She said that she was working.
3)He said that he got up at eight o'clock.
4)He said that he had translated the text
5)He said that he had been waiting for you since five o'clock
6)He said that he had seen her there
7)She said that she would find it
8)He said that he would be working that summer
9)The director said that the contract would be signed in that evening
10)He said to her that she had to consult a doctor
11)He answered that he would go there the following day
12)He said that they had been there the previous day