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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Passive voice,被动语态,Introduction,The girl,makes,a dress for her doll.,The dress,is made,of silk.,Passive voice?,结构,：,be,+,动词的,过去分词,意义：,强调,主语,是动作的,承受者,The glass,was broken,by,the boy,.,变化：,示例,The boy,broke,the glass,.,The glass,was broken,by,the boy,.,从主动语态变为被动语态,1.,主语,2.,谓语,3.,宾语,介词,by +,宾语,加,be,并变为过去分词,主语,We,call,the garden the West Lake.,The garden,is called,the West lake.,Active voice,主动语态,S,V,O,Passive voice,被动语态,S,V,1.,They,make,shoes,in that factory.,主语,+,及物动词,+,宾语,Shoes,are made,(by them) in that factory.,一般现在时：,S(,主语）,+am/is /are +,过去分词,变为被动语态,2.,They,bought,ten computers,last term,Ten computers,were bought,(,by them,) last term.,一般过去时：,S+was/were +,过去分词,Tom will clean the room tomorrow.,主,谓,宾,(,受动者,),The room,will be cleaned,by,Tom,tomorrow.,一般将来时,:will be+,动词的过去分词,When to use the passive voice,We use the passive voice when,it is obvious who performs the action.,English,is spoken,in Britain, America and some,other countries.,The new type of washing machines,is sold,in,this shop.,They,clean,the river,People,build,many buildings,in the city.,Many buildings,are built,in the city,by people,.,主动语态,被动语态,被动语态句子的谓语部分由,助动词,be +,动词的过去分词,其中，助动词,be,来体现,时态,的变化。,am,Subject +,is,+,done,are,The river,is cleaned,by them,People clean the roads every day.,He often hits me on my head.,We welcome more visitors to Yangzhou.,Students do lots of homework,.,Transform the following into the passive,The roads,are cleaned,every day.,I,am,often,hit,on my head by him.,More visitors,are welcomed,to Yangzhou.,Lots of homework,is done,by students .,Describe the pictures with the passive voice,The river is polluted seriously.,Some trees are cut down.,A sports meeting is held,in our school every year.,The whale is killed,for its fin.,Attention!,1,感官动词、使役动词等在主动语态中后接零动词不定式,变成被动语态时要加上“,to”,see/hear/notice sb. do sth.,sb. be seen/heard/noticed,to do,sth,.,let/make/have sb. do sth.,sb. be let/made/had,to do,sth.,The boss makes the workers,work,all day.,I often hear her,sing,in the room.,We see some boys,playing,football .,The workers are made,to,work,all day.,She,is,often,heard,to,sing,in,the,room,.,Some,boys,are,seen,playing,football,.,2,，双宾语结构变为被动语态的两种情况：,Attention!,例句：,He teaches us English,常把间接宾语即（,sb,）变为主语,We are taught English by him.,若把直接宾语,(,即,sth.),变为被动句的主语时，,常在保留宾语前加,to,或,for,。,English is taught,to us,(by him).,Attention!,3,，主动语态中“动词,+,介词”或“动词,+,副词”的短语动词,变为被动语态时，介词或副词不可拆开或漏掉。,They look after the girl well.,The girl,is looked after,well by them.,He often laughs at the poor boy.,The poor boy,is,often,laughed at,by him.,Attention!,4,，请注意以下几种不用被动语态的情况：,不及物动词（,vi,）没有被动语态。如：,happen,cost,die,Start/begin,finish,rise,appear,drop etc.,联系动词（,linking V,）没有被动语态。（,seem, look,become, get, grow, turn, remain, stay,）,一些固定结构无被动。如,：,take place, set out, come true,break out, come down, belong to,有些动词既是及物又是不及物，当他们与,well, badly,easily,等副词连用时表示,主语内在品质或性能,，无被动。,如：,The cloth,washes easily.,The pen,writes smoothly.,The new product,sells well.,各种时态的被动语态结构,:,1.,一般现在时态的被动语态结构,: am/is/are + vt,过去分词,2.,一般过去时态的被动语态结构,: was/ were + vt,过去分词,3.,含有情态动词的被动语态结构,:,情态动词,+be+ vt,过去分词,4.,一般将来时的被动语态结构,: will/shall +be + vt,过去分词,5.,现在进行时态的被动语态结构,:,am/ is /are+being + vt,过去分词,6.,过去进行时态的被动语态结构,:,was / were + being+ vt,过去分词,7,.,现在完成时态的被动语态结构,: have/has been + vt,过去分词,Homework:,1,许多人被邀请参加这次的活动。,(,invite),2,需要更多的钱来支持这项工作,。,(support),3,在贫困地区，每年很多学校被建起来。,4,，电脑被年轻人广泛地使用。,Many people,are invited,to attend the activity.,More money,is needed,to support the work.,Many schools,are built,in poor areas every year.,Computers,are widely used,by young people.,
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