Выполните преобразование предложений в косвенную речь

1. Masha said that she usually spent her holidays in the south. 2. She said that she had spent her holidays in the Crimea the year before. 3. Boris said that he went to the south every year. 4. He said that he was going to a ski resort the next day. 5. Ann told us that they hadn't come yet. 6. She told us that they had arrived in St Petersburg the day before. 7. I said that I had been in London for a fortnight's holiday and added that my friends in London sometimes invited me to spend my leisure time with them. 8. Nick said that he had never been to London and added that he thought he would go there the following year. 9. He said that he would not stay with his friends too long. 10. He told me that they were staying at the Grand Hotel Europe. 11. He said that they were leaving the following Monday. 12.The clerk told them that they could leave the key with the maid upstairs.