Помогите, пожалуйста, со вторым упражнением

1) She said to her friend that she wouldn't go to the party.
2) Tom said that Ann had gone away.
3) He said to his mother that he was hungry.
4) Mike said that he was working the next day.
5) Kate said to her friend that he had never written home before.
6) The teacher explained that the sun is a big star.
7) The teacher said that my spelling had become better.
8) The passenger said that that place wasn't vacant.
9) She said to me over the telephone that she had changed her mind and she intended to spend the evening at home.
10) The young man said that that song wasn't popular any longer.
11) My friend said after returning from the theater that he had liked that play very much.