Преобразование прямой речи в косвенную требует изменения структуры предложений и некоторого изменения времени глаголов. Давайте поэтапно преобразуем каждую из предложенных фраз:
Mary asked: "Where does John live?"
Mary asked where John lived.Helen said to me: "How long have you lived here?"
Helen asked me how long I had lived there.Mr. Smith asked us: "Do you understand this exercise?"
Mr. Smith asked us if we understood that exercise.I asked John: "What time is it?"
I asked John what time it was.He asked me: "Do you have to work tonight?"
He asked me if I had to work that night.John asked: "Is it raining?"
John asked if it was raining.He asked me: "Are you going to the movies with us?"
He asked me if I was going to the movies with them.She asked: "Did you see that movie?"
She asked if I had seen that movie.He asked me: "When are you leaving for Europe?"
He asked me when I was leaving for Europe.He asked me: "What does the word mean?"
He asked me what the word meant.I asked him: "When did you read that book?"
I asked him when he had read that book.He said to me: "How are you today?"
He asked me how I was that day.I asked her: "Is John here?"
I asked her if John was there.She said to him: "Do you like my new hat?"
She asked him if he liked her new hat.I asked her: "Where is it?"
I asked her where it was.
Таким образом, мы преобразовали все фразы из прямой речи в косвенную, учитывая изменения в структуре предложений и времени глаголов.