Переделать следующие предложения из прямой речи в косвенную:
1) She said, "This is my book"
2) Olga told them, " He went to the cinema yestarday"
3) She said, "They won't sleep tomorrow"
4) Andy said, "I have done the whole housework"
5) Mary said, "This boy didn't find the mistake in this test"
Помогите плиз)

1. She said it was her book2 Olga told them that he has gone to the cinema the day before 3 She said that they will not sleep the day after 4 Andy said that he had done the whole housework 5 Mary said that the boy has not found the mistake in this text