主动语态和被动语态ppt课件.ppt

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1、PassiveVoice被动语态IbelieveIcanflyThissongisenjoyedbypeopleallovertheworld.1Englishisspokenbythemostpeopleintheworld.isspokenpeopleEnglish2TheGreatWallwasbuiltbyChinesepeople.TheGreatwallbuilt3Thetreeswereplantedbystudents.treesplanted4英语动词有两种语态：主动语态(theActiveVoice)被动语态(t

2、hePassiveVoice)Whatisit?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。Weplantedthetree.Thetreewasplantedbyus.被动语态结构：be+过去分词(P.P)+(by…)5主变被解题步骤:1.找宾语----即动作的承受者Theymakeshoesinthatfactory.Shoes2.判断宾语的单复数----即be动词的单复数.arewere3.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made5.修改原句的

3、主语----即by+主语.bythem.Wecleanedtheclassroomyesterday.Theclassroomwascleanedyesterday.byus6一般现在时的被动语态：am/are/is+过去分词+(by…)1.Peopleplayfootballallovertheworld.2.Mr.Greenteachesusthisterm.Footballallovertheworld.Wethisterm.isplayedbypeoplearetaught(byMr.Green)7一般过去时的被动语态：wa

4、s/were+过去分词+(by…)3.PeoplebuilttheGreatWalllongago.4.Myclassmatesplantedmanyflowersyesterday.TheGreatWall___________________longago.Manyflowers___________________________yesterday.wasbuilt(bypeople)wereplanted(bymyclassmates)8情态动词的被动语态：must/should/can等+be+过去分词5.Youmustt

5、hrowthebrokenglassawayatonce.Thebrokenglass____________________________atonce.Ourhomework_____________________ontime.mustbethrownawaycanbefinished(byus)(byyou)6.Wecanfinishourhomeworkontime.9Let'spractice101.Peopleuseknivesforcuttingthings.Knives___________forcuttingt

6、hings.2.ThestudentsinthisschoolstudyGerman.German_______________bythestudentsinthisschool.areusedisstudied113.Ifoundtheticketonthefloor.Theticket____________onthefloor.4.Itoldhertoreturnthebookintime.She_____________toreturnthebookintime.wasfoundwastold125.Hecanmendthe

7、bikeintwodays.Thebike___________________intwodays.6.Youmusttakethismedicinethreetimesaday.Thismedicine__________________threetimesaday.canbemendedmustbetaken13Iusuallyhearhersinginthemorning.Sheisusuallyheard___________Englishsongsinthemorning.tosing思考一：14一些特殊结构的被动结构:m

8、ake,see,hear,watch等动词，后接不带“to”不定式时，变被动语态时要还原“to”。E.g：Isawhimleavethehouse.→Hewasseentoleavethehouse.15Hemakesherhorse