句型变化。 1. The book was written by Lu Xun. （改为主动语态) Lu Xun the book. 2. The shoes are made by my mother. (改为否定句) The shoes by my mother. 3. The students wear the school clothes a lot. (改为被动语态) The school clothes a lot by the students. 4. The pens are used for writing words. (改为主动语态) People for writing words. 5.The thief caught by a policeman just now was taken into the police car. (改为同义句) The thief by a policeman just now was taken into thepolice car.