Ответ:
1. Tom said that he wanted to go to London the following week.
2. Helen said that she could play tennis.
3. My mother said that the next day we would go to the country.
4. That said that they were good at English.
5. Marat said that they had watched a new film the day before.
6. Aigul answered that she was standing at the window.
7. She said that her friend had been having a great time in New York.