初中九年级英语课件主动句如何变被动句

主动语态变被动语态句型的方法

(一般现在时、一般过去时)

第五中学赵娟人教版英语学科九年级上unit6被动语态视频来自百度学科am/is/are+动词的过去分词一般现在时一般过去时被动语态的句型结构was/were+动词的过去分词主动句变为被动句所遵循的4个步骤:1.把原主动句中的宾语变为被动句的主语。2.把动词变为被动形式即be+动词过去分词，并注意其人称和数随主语的变化而变化。3.原主动句的主语如需要则放在by后面以它的宾格形式出现（注:不需要则可省略)。4.其它的成分（定语、状语）不变。一般现在时的例题解析：1.He

sells

themooncakes

atalowprice.主语谓语宾语step2：找出谓语动词,变成结构是be+done，sell的过去分词：sold,step:1step3：原主动句的主语如需要则放在by后面以它的宾格形式出现（注:不需要则可省略)Themooncakes

aresoldbyhim.atalowprice把原主动句中的宾语变为被动句的主语。step4：

其它的成分（定语、状语）不变。自学检测：你会通过讲解的方法，将下列三个主动句变成被动句吗？1.Theboycleanstheclassroomeveryday.

2.Mymommakeacakeeveryweek.3.Thepeopleplantmanytreesonthehill.bytheboyeveryday.

bymymomeveryweek.

bythepeopleonthehill.TheclassroomAcakeManytreesiscleanedismadeareplanted2、Ourparents

advised

us

nottogooutalone.step:1主语谓语宾语step2：找出谓语动词,变成结构是be+done，advise的过去分词：advisedWewereadvisedbyourparents.nottogooutalone把原主动句中的宾语变为被动句的主语。step3：原主动句的主语如需要则放在by后面以它的宾格形式出现（注:不需要则可省略)step4：

其它的成分（定语、状语）不变。一般过去时的例题解析：自学检测：你会通过讲解的方法，将下列三个主动句变成被动句吗？1.Heplantedthetreestwodaysago.2.Judsoninventedthezipperin1893.3.PeoplebroughtteatoKorea.

byhimtwodaysago.

by

Judsonin1893.byPeopletoKorea.ThetreesThezipperTeawere

plantedwasinventedwasbrought1.单项选择：(1).Cotton_______inthesoutheastofChina.A.isgrownB.aregrownС.growsD.grow(2).TheGreatWall_______allovertheworld.A.knowsB.knewC.isknownD.wasknown(3).Thekeys______________byhim.A.did;foundB.were;found

C.was;foundD.was;find(4).Smoking___inpublicplacesinChina.A.allowsB.doesn'tallowC.allowedD.isn'tallowed(5).Computers________

byhimlastweek.A.were

usedB.useC.isusedD.uses终极挑战:2.给词的适当形式填空。(1).Chinese___themostwidely________(speak)intheworld.(2).Thelostboy______________(find)justnow.(3).Lastyear,alargenumberoftrees___________(cut)down.(4).Thestudents____often_____(tell)totakecareoftheirdesksandchairs.(5).Vegetablesandfruits_________(sell)inthisshop.终极挑战:isspokenwasfoundwascutaresoldaretold终极挑战:1.Weusedthehotice-creamscoopforservingcoldice-cream.2.Manyboysenjoytheactivesports.3.Webelievehim.4.Heboughthischildrensomepens.5.Thepolicemancaughtathiefyesterday.→Thehotice-creamscoopwasusedforservingcoldice-cream.→Theactivesportsareenjoyedbymanyboys.→Heisbelievedbyus.→Somepenswereboughtforhischildrenbyhim.→Athiefwascaughtbythepolicemanyesterday.你会通过讲解的方法，将下列五个主