* The news worried them, and they were unhappy.
   * It was such worrying news that they were unhappy.
 * We can always check this machine before we use it.
   * I suggest that we should always check this machine before we use it.
 * He couldn't come to the meeting, which was a real pity.
   * I wish he could have come to the meeting.
 * Someone repaired the television set for Bill.
   * Bill had his television set repaired.
 * After many years of hard work, he retired.
   * After he had worked hard for many years, he retired.
 * She has never been to a dance before.
   * This is the first time she has ever been to a dance.
 * Music interests her greatly.
   * She takes great interest in music.
 * He was nice to help me with the Math problem.
   * It was nice of him to help me with the Math problem.
 * We had a very good time at the seaside.
   * We enjoyed ourselves very much at the seaside.
 * It is said that Federer is the best tennis player now.
   * Federer is said to be the best tennis player now.
Giải thích một số cấu trúc:
 * Such...that: diễn tả một kết quả quá mức đến nỗi dẫn đến một hậu quả khác.
 * Suggest that: đưa ra gợi ý.
 * I wish: diễn tả một ước muốn trái với thực tế.
 * Have something done: nhờ ai đó làm gì đó.
 * It's the first time: đây là lần đầu tiên.
 * Take interest in: hứng thú với.
 * It's nice/kind of someone to do something: ai đó thật tốt khi làm gì đó.
 * Enjoy oneself: tận hưởng bản thân.
 * Be said to: được cho là.