初三被动语态.ppt

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1、Unit 5 What are the shirts made of？所街乡中心学校 Period 2 Section Abe made frombe made of be made inbe made byReview 复习:“ 由制成的” 指从成品中看不出原材料Paper is made from wood.“由制成的” 指从成品中可以看出原材料The bridge is made of stones.“在制造的” in 后接表示地点的名词The computer is made in China.“由制造的” by 用来强调动作的执行者The TV set is made by the

2、workers in the factory.Exercise 练习：1.The paper is made wood and the desk is also made wood.A. of; from B. of; of C. from; from D. from; of2. Salt often in Qinghai. A. is ; done B. makes; / C. is ; producesD. is ; produced语态：A、主动语态： 主语是动作的执行者。I play the basketball.B、被动语态： 主语是动作的承受者。The model plane is

3、 made by him.被动语态句子的谓语基本结构：be done（by sb) My uncle takes care of my sister.My sister is taken care of by my uncle.主语谓语宾语主语谓语宾语讨论回答问题：1、主动语态句子中的 变为被动语态句子中的 。 2、主动语态句子中的 变为被动语态句子中的 。3、被动语态句子中谓语与主动语态句子中的谓语有什么不同？(主动语态 )(被动语态)主语宾语宾语主语被动语态句子的谓语为被动语态：is taken care of (be done by sb) She waters the flowers

4、every day.The flowers are watered by her every day.主动语态变被动语态步骤：主动语态变被动语态步骤：1、判断时态：思考这种时态下的被动语态结构2、宾变主： 主动语态句子的宾语变成被动语态句子的主语3、谓动变被动：把谓语动词变成被动结构 be done4、主语放by后，主格变宾格注意：被动语态结构中的be动词时态由主动语态句子的时态决定， be动词的单复数由被动语态句子中的主语决定（也是主动语态句子中的宾语）exercises:1、We clean the classroom every day.(改为被动句） The classroom eve

5、ry day.2、They make the bikes in the factory.(变为被动句） The bikes them in the factory. 3、We use a recorder in our English class.（变为被动句） A recorder in our English class . is cleaned by us are made by is used by us exercises:把下列句子改为被动语态的句子：1、This shop uses the best materials to make dresses.2、Careless dri

6、ving causes many traffic accidents.3、The postman brings letters and postcards to peoples homes.4、Our family does not use this silver plate very often.The best materials are used to make dresses by this shop.Many traffic accidents are caused by careless driving.Letters and postcards are brought to pe

7、oples homes by the postman.This silver plate isnt used very often by our family. (very often也可以放在最后）被动语态句子的不同时态及肯定或否定意思都体现在be动词The bike is/isnt repaired by my father today.The bike was/wasnt repaired by my father yesterday.The bike will be/will not be repaired by my father tomorrow.exercises: 学法P62

8、句型转换1、He didnt clean his bedroom yesterday.(改为被动语态) His bedroom yesterday.2、The man takes good care of the homeless children. (改为被动语态) The homeless children good care of by the man. 3、Were you told to have a picnic by her?(改为主动语态) she you to have a picnic?4、When was the bike repaired by your father？(改为主动语态) When your father the bike?wasntcleanedaretakenDidtelldidrepair