被动语态 (含特殊情况)解析ppt课件.ppt

You wont be allowed to play computer games if you havent finished your homework.,A: Where were computers invented?B: They were invented in America.A: When were computers invented?B: They were invented in 1946.,Look and talk about the picture.,中考专项复习,The Passive Voice 被动语态,复习要点,一、被动语态的基本结构二、被动语态的各个时态三、被动语态中的特殊情况,1.语态分类：,主动语态：主语是动作的执行者。We clean the classroom every day.被动语态：主语是动作的承受者。The classroom is cleaned by us every day.,3.主动变被动的方法:,She waters the flowers every day., 宾,_ be+过去分词,by+宾语, 谓, 主,总结:,主语,be+过去分词,by+宾语,不变,The flowers are watered by her every day.,_ 主,时态看原句人称数看新主语,你能把下列句子改为被动态吗？,1. Police can use microblog to catch thieves! Microblog2. The police caught a thief through microblog. A thief,can be used to catch thieves by the police.,was caught by the police through microblog.,被动语态的基本结构:,be + 过去分词,考点一:,有各种时态的变化,考查要点：,am/is /are + done,was/were + done,will/shall/be going to + be + done,情态动词+be+done,被动语态中考实战,1. More and more cars _ in China now. (2009 广东) A. are produced B. produce C. are producing D. have produced 2. May I use your cup, Tom? - Sorry, it _ by my sister just now. (2011长沙) A. was broken B. is broken C. broke D. be broken,中考链接,被动语态中考实战,3. A friendly basketball match between teachers and students _ tomorrow afternoon. (2011浙江) A. was held B. will be held C. will held D. must be held 4. Waste paper shouldnt _ everywhere. Its our duty to keep our city clean. (2009重庆) A. throw B. is thrown C. be thrown D. are thrown,中考必考,1. All the students _(ask) to bring a kite with them last Sunday.2.The photos _(take)by American children yesterday.3. Some photos _(take) by American children are very nice.4. The PRC _(found) on October 1, 1949.5. Large numbers of plastic bags _(use) in the supermarkets every day.7. _ Lesson 50 _(teach) next week? 8. The trees must _(put)straight in the hole. 9.Our homework should _(finish)by us on time.,Ex:用所给词的适当形式填空。,were asked,were taken,taken,was founded,are used,Will,be taught,be put,be finished,过去分词做后置定语,Tips：先语态，后时态,考点二:,被动语态中的特殊情况:,注意问题一：一些感官或使役动词主动语态中用不带to的动词不定式作宾语补足语，改成被动语态时，to必须还原。,主动：see /watch/ hear sb. do sth被动：be seen / watched/heard to do sth主动：let/have sb. do sth.被动：be let/had sb to do sth.主动：make/help sb. do sth.被动：be made/helped to do sth.,思考1: 被动语态后动词形式的选择,We often hear the girl _in the room. The girl is often heard _in the room.,EX:看图填词,sing,to sing,We often see them _on the playground. They are often seen _ on the playground.,to play basketball,play basketball,思考2: 动词短语变为被动语态,1.The children must _.A. look after B. be taken good care C. look the same D. be taken good care of,D,注意问题二：固定短语的被动不要丢掉后面的介词或副词,如：It is known that.众所周知 It is believed that.大家相信,EX：翻译句子。1._（据说）Lucy has gone to Beijing.2._(据报道）the new road will be completed at the end of this month.,It is said that,It is reported that,思考3: 表示客观说明常用,：It is +过去分词+ that从句,注意问题三：主动结构表被动意义1）need/want/be worth +v-ing2)系动词：look/feel/smell/taste/sound/get/turn/become/seem/grow+adj3)表主语质地、自身特征的动词：write/wash/sell +well/easily4)某些短语如：happen/take place/ belong to,The book is worth_ .The book _well.The paper _soft.The pictures _beautiful.,场景一,reading,sells,feels,look,The book is worth reading.The room needs cleaning.The paper feels soft.The pictures look beautiful.The book sells well.The clothes wash easily.An traffic accident happened on the road.,1.A traffic accident was happened on the road.( ) 2.A traffic accident happened on the road. ( ),x,场景二,What a mess!The room needs cleaning.,场景三,中考强化训练：,1.The water_in the students flats from 5pm to 7 pm now.【2012】 A.supplies B.is supplied C.supplied D.was supplied2.Your classroom is very clean.【广东】 -Yes,it_ every day. A.is cleaned B.cleans C.is cleaning D.clean3.People who drink wine_to drive.【广东】 A.dont allow B.isnt allowed C.mustnt allowed D.mustnt be allowed4.The task _in two hours. A.can be finished B.can finish C.can be finishing D.could finish,A,D,A,B,5.Mike often makes his little sister_,but yesterday he was made_by his sister. A.cry;cry B.crying;crying C.to cry;cried D.cry;to cry6.-Did Jack come to our party yesterday? -No,he_. A.didnt invited B.wasnt invited C.isnt invited D.hasnt invited7.The 31st Olympic Games _in Brazil in 2016. A.held B.will be held C.were held D.have been held,D,B,B,8.In the old days,they_in the factory from morning to evening. A.were made to work B. asked to work C.made to work D.were asked for work9.The film is worth _. A.seeing B. to see C.saw D. is saw,A,A,10.This car _my brother. A.is belonged to B.belong to C.is belong to D.belongs to11.Great Changes_since I left my home town. A.took place B.have taken place C.were taken place D.have been taken place,D,B,动词过去分词，你都记熟了吗？,中考部分高频动词：,played shared used saved read put,shown sent caught bought taken written,Summary,被动语态：一、被动语态的各个时态:三、被动语态中的特殊情况 1、被动语态后动词形式的选择 2、动词短语变为被动语态 3、表示客观说明常用的句型 4、主动结构表被动意义,be+过去分词,一般现在/过去/将来时 含情态动词,