Перевести в косвенную речь.Пожалуйста 34 балла!!!

Peter said John to come in Mary said John that they were just doing to have a dinner.  She said to him would he had dinner with them. John said he hadn't yet had dinner.Peter asked Mary if dinner was ready. Mary asked John to help her to lay the table. Johnsaid that he and Peter had lunch together thay day. He said they had gone to a cafe. Mary asked John what I had for lunch. Peter asked Mary what was the matter. Mary asked Peter he were going to have a roast beef and potatoes again. John said he liked roast beef and potatoes. Mary said to John she would treat him to something tasty. Peter asked her what was it. Mary said that they would have a delicious chocolate cake for tea. She said that she had made it herself. Peter said that they hadn't had a chocolate cake for a long time.