被动语态.ppt

文档介绍：The Passive Voice A petition The Great Wall was built by Chinese people. English is spoken by the most people in the world. 《飘》 The book was written by Margaret Mitchell. Gone with the wind The umbrella is used for keeping off the rain . The light was invented by Thomas Edison . The city is known for its mist . Dr .Bethune is known to the people all over the world .