1被动语态的复习

被动语态1.Teenagersshouldbeallowedtochoosetheirownclothes.2.Englishisspokenbymanypeople.4.Lucky52iswatchedonTVbymanypeople.3.Theticketsaboutheroesaresoldout.5.RiceisplantedinSouthChina.6.Heissaidagoodboy.

助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。如：Thedeskismadeofwood.Thedesksaremadeofwood.Heisaskedaquestionbytheteacher.被动语态的结构助动词be+及物动词的过去分词不同的时态有不同的被动语态结构1.一般现在时的被动语态结构：bymanystudents.主动语态变被动语态的方法1.Manystudentsstudy

English.Englishisstudied2.Theymake

shoesinthatfactory.Shoesaremadebytheminthatfactory.主动语态变被动语态的方法1.把主动语态的宾语变为被动语态的主语。2.把主动语态的谓语变为被动语态的谓语。3.把主动语态的主语变为被动语态的by

短语。（①

by短语可以省。②by短语后跟代词的宾格。）bytheteacher.3.Theteacheroftenasks

himquestions.HeisaskedquestionsTheyplayfootballonSunday.Lucydoesthehomeworkintheevening.Theyoftenusecomputersinclass.WemakethesemachinesinBeijing.FootballisplayedbythemonSunday.ThehomeworkisdonebyLucyintheevening.Computersareoftenusedbytheminclass.ThesemachinesaremadeinBeijing.肯定句：主语＋be+过去分词＋(by~)否定句：主语＋benot＋过去分词＋(by~)一般疑问句：Be＋主语＋过去分词＋(by~)?特殊疑问句：疑问词＋be＋主语＋过去分词＋(by~)被动语态的时态是由be的时态决定的，be是什么时态，全句就是什么时态，be动词后面的过去分词不变。bymanystudents.Englishisstudiedbymanystudents.EnglishisnotstudiedSuchbooksarewrittenforchildren.

这些书是为儿童写的。Ihaven’tbeentoldaboutit.没有人告诉我这件事被动语态的用法（1）不知道或没有必要说明动作的执行者是谁.It’s/wassaid/believed/reported/+that…It’sreportedthataboutthreehundredpeoplewerekilledinthisearthquake.

据报道，这次地震中大约有三百人死亡。

（2）强调动作的承受者，这时应用by短语。ThecupwasbrokenbyDavid.（3）作客观说明时，常采用一种被动语态句型.把下列句子变成被动语态:Acar

knockedhimdownyesterday.2）Twodoctorsandtennursesmakeupthemedicalteam．3）WhenIgotthere,theywerecuttingupafallentree．Afallentreewasbeingcutup,whenIgotthere.Hewasknockeddownbyacaryesterday．Themedicalteamismadeupofbytwo…．Practice4)We’llputontheplaynextSunday．5)Workersarebuildinganewteachingbuildinginourschool．6)Theyhadcompletedtherailwaybytheendoflastyear．

TheplaywillbeputonnextSunday．Anewteachingbuildingisbeingbuiltbyworkersinourschool．Therailwayhadbeencompletedbytheendoflastyear．填空（完成被动语态填空）

1.Theyoftencleantheirclassroomafterschool.（改为被动语态）

Theirclassroom_____often______bythemafterschool.2.LiLeigaveTomanewpenlastweek.（同上）

Anewpen_________________Tomlastweek.

iscleanedwasgivenbyPractice3.AlotofpeopleinChinacanspeakEnglishnow.（同上）

English________________byalotofpeopleinChinanow.4.IhavelearnedEnglishforabouttwoyears.（同上）

English__________________forabouttwoyears.5.Theywillpublishthesestory-booksnextmonth.（同上）

Thesestory-books_______________nextmonth.canbespokenhasbeenlearnedwillbepublished1.Insomecountries,tea______withmilkandsugar.A.isservingB.isservedC.servesD.served2.Greatchanges_____inmyhometownsince1980.A.havebeentakenplaceB.tookplaceC.havetakenplaceD.weretakenplace3.Thenewtypeofcarisgoingto______inthreeyears.A.turnoutB.beturnedoutC.hasturnedoutD.h