reported speech

1. My friend said to me that the discussion will still be going on when I return
2. He said that he is proud of his brother who took the first prize at the competition
3. He said to me to come at nine o'clock, that he shall be free at that time and we shall have a nice cup of coffee
4. Nina asked her friend about what did the professor speak about in his lecture
5. Ann said that he is one of the best speakers she has ever heard
6. She asked me how long I have been living in St. Petersburg

работа над ошибками:
1. My friend told me that the discussion would still be going on when I returned
2. He said that he was proud of his brother who had taken the first prize at the competition
3. He asked me to come at nine o'clock and added that he would be free at that time and we
would have a nice cup of coffee
4. Nina asked her friend what the professor spoke about in his lecture
5. Ann said that he was one of the best speakers she had ever heard
6. She asked me how long I had been living in St. Petersburg