Change the sentences as in the examples

4. He said she was  from Smolensk.
5. She said they had lunch at school.
6. He said they had got a car.
7. She said they had had lunch at school.
8. She said they had bought a car.
9. He said they had met the teacher in the park.
10. He said he worked in the afternoon.
11. He said it would rain.
12. He said they would study English.
13. He said they were writing a test.
14. He said she was cooking lunch.
15. He said she cooked lunch.
16. He said she had cooked lunch.
17. He said she would cook lunch.
18. He said the test was easy.
19. He said the test had been easy.