被动语态导学案.docx

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1、被动语态(The Passive Voice)Step1. Lead in :Playaguessinggame.Step2. Presentation Part 1. What is the passive voice ? 主动语态与被动语态：英语中有两种语态,即主动语态(TheActiveVoice)与被动语态（ThePassiveVoice)。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。判断下面两组句子的语态：1.ManystudentsstudyEnglish.Englishisstudiedbymanystudents.2.

2、Theydotheirhomeworkeveryday.Theirhomeworkisdonebythemeveryday.Accordingtothesesentences,pleasesumup(总结)thestructure（结构）ofthepassivevoice.1.Teenagersshouldbeallowedtochoosetheirownclothes.2.Englishisspokenbymanypeople.3.ThetelephonewasinventedbyBell.4.Theclassroomiscleanedbyuseveryday

3、.被动语态的结构：Part2.Howtochangetheactivevoiceintothepassivevoice.1.把原来的宾语提到前面作被动语态的主语; 2.把动词变成“be + 过去分词” 注意人称，时态和数的变化; 3.主动语态中的主语变为介词by的宾语Part 3. The passive voice in different tenses一般现在时：am/are/is +及物动词 过去分词 Practice:1.TheyplayfootballonSunday.2.Theyoftenusecomputersinclass.3.Lucydoest

4、hehomeworkintheevening.一般过去时的被动语态：was/were + 及物动词过去分词Practice1.Theybuiltthetallbuildinglastyear.2.Wecleanedourclassroomyesterday.3.Iwateredthetreeslastweek.含有情态动词的被动语态：情态动词+be+donePractice:1.Hecantakecareofthebaby.2.Lucymaydrawthepictures.3.Youmustturnoffthelights.Step3.Practice.Part

5、1:Fillintheblanks.1.Peopleuseknivesforcuttingthings.Knivesforcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroomtwiceamonth.3.Ifoundtheticketonthefloor.________________________onthefloor.4.Itoldhertoreturnthebookintime.She_____________tore

6、turnthebookintime.5.Lastyearwebuiltalibraryinourschool.Alibrary______________inourschoollastyear.6.Nowpeoplecanusecomputerstohelpthem.Nowcomputers___________________tohelpthem.7.TheteacheraskedTomtoturnonthecomputer.Tom_______________toturnonthecomputer.8.Inthisfactorywomendomostofth

7、ework.Mostofthework_______________bywomeninthisfactory.9.Hecanrepairthebikeintwodays.Thebike___________________intwodays.10.Youmusttakethismedicinethreetimesaday.Thismedicine______________________threetimesaday.Part2Haveatry.1.Heinventedteabyaccident.2.ManyChinesecanspeakEnglish.3.Th

8、eydon’twasht