《主动语态和被动语态课件》.ppt

Goodbye The Great Wall was built by Chinese people. English is spoken by the most people in the world. The light was invented by Thomas Edison . The city is known for its mist . 英语动词有两种语态： 主动语态 (the Active Voice) 被动语态(the Passive Voice) What is it? A. 主动语态表示主语是动作的执行者。 B. 被动语态表示主语是动作的承受者。 We planted the tree. The tree was planted by us. 一般现在时： am / is / are +done 一般过去时： was / were+ done 当句中含有情态动词时，句子结构为 can / must / +be done The bike is made in our factory. 这自行车是我们厂生产的。 This book was written in 1969. 这本书是1969年写成的。 The baby must be looked after well.  这孩子必须被好好照顾。 主变被解题步骤: 1. 找宾语 ----即动作的承受者 They make shoes in that factory. Shoes 2. 判断宾语的单复数 ----即be动词的单复数. are were 3. 判断动词的时态 ----即be动词的时态. 4. 修改谓语的时态 ----即原句动词改为过去分词 made 5. 修改原句的主语 ----即by+ 主语. by them. The classroom____________ by us yesterday. 昨天教室被我们打扫了。 was cleaned We cleaned the classroom yesterday.昨天我们打扫了教室。 一般现在时的被动语态： am/are/is + 过去分词 People play football all over the world. 2. Mr. Green teaches us this term. Football all over the world . We this term. is played by people are taught (by Mr. Green) 一般过去时的被动语态： was/were + 过去分词 3. People built the Great Wall long ago. 4. Two years ago we used the machinesto make shoes for children. The Great Wall long ago. Two years ago those machines shoes for children. was built (by people) were used (by us) to make 情态动词的被动语态： must/have to/can等 + be + 过去分词 5. You must throw the broken glass away at once. 6. We can finish our homework on time. The broken glass at once. Our homework ___________________ on time. must be th