英语人教版九年级全册unit 6 Grammar.ppt

1、Unit6,SectionAGrammarFocus,被动语态(PassiveVoice),结构:be+V-p.p.,am/are/is+动词的过去分词,was/were+动词的过去分词,一般现在时的被动语态:,一般过去时的被动语态:,ManypeoplespeakEnglish.(主动语态),Englishisspokenbymanypeople,Thenaughtyboybrokethewindowyesterday.(主动语态),Thewindowwasbroken(bythenaughtyboy)yesterday.,Weboughtsomebooks.,主动句与被动句之间的转换,So

2、mebookswerebought(byus),主语谓语动词主动语态的过去式宾语,主语谓语动词被动语态的过去分词介词+宾语,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+过去分词，并注意其人称和数随主语的变化，而动词的时态则保持不变。,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（注代词的宾格），如不需要则可省略。,4.其它的成分（定语、状语）不变。,过去式被动语态的几种句型,肯定句主语+be+过去分词+(by),Asweetsongwassungbyheronthestage.,2否定句主语+be+not+过去分词+(

3、by),3一般疑问句Be+主语+过去分词+(by)?,Asweetsongwasntsungbyheronthestage.,Wasasweetsongsungbyheronthestage?,4特殊疑问句疑问词+be+主语+过去分词+(by)?,Wherewasasweetsongsungbyher?,被动语态的运用:（1）不知道谁是动作的执行者或没有必要知道谁是动作的执行者时。Thehouseisquiteold.Itwasbuiltin1950.这座房子太旧了，它是1950年建的。Whenwilltheroadbeopenedtotraffic?这条路什么时候通车？,（2）需要强调动作的

4、对象即宾语时。Calculatorcantbeusedinthemathexam.计算器不能用于数学考试。Hewasawardedfirstprizeinthatcontest.他在比赛中获得了第一。,有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。Theconstructionofthenewlabmustbecompletedbytheendofnextmonth.新实验室必须在下个月底前完工。Youarerequestedtogiveaperformance.请你给我们表演一个节目。,（3）,Whenwasthecarinvented?Itwasinventedin1885.Who

5、weretheyinventedby?TheywereinventedbyJulieThompson.Whataretheyusedfor?Theyareusedforseeinginthedark.,Readthesentencesandpayattentiontotheunderlinedparts.,一般讲，被动语态可用于英语的各种时态。为了能准确地运用被动语态，重点是要掌握be动词的各种时态变化。各种时态的被动语态举例如下：1、一般现在时的被动语态：am/is/are+动词的过去分词Ourclassroomiscleanedeveryday.ThiscarismadeinChina.,

6、2、一般过去式的被动语态:was/were+动词的过去分词Hisdeskwascleanedjustnow.Thestationwasbuiltin1928.,Thecakelooksnice.Whomadeit?,Itwasmadebymyaunt.,Howdeliciousthesoupis!Whocookedit?,ItwascookedbyMom.,Whatabeautifulcarditis!Whomadeit?,Itwasmadeby,Howcleantheclothesare!Whowashedthem?,Theywerewashedby,2.Somebodystolemycam

7、erafrommyhotelroom.,Mycamerawasstolenfrommyhotelroom(bysomebody).,3.Wheredidyoutakethesephotos?,Wherewerethesephotostaken?,4aRewritethesentencesusingthepassivevoice.,4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.,Wewereadvisedbyourparentsnottogooutalo

8、ne.,Thebookwastranslatedintodifferentlanguagesbydifferentwriters.,1.Hewroteanarticlelastweek.,Anarticlewaswrittenbyhimlastweek.,2.Thepeoplemakehistory.,Historyismadebythepeople.,把下列的主动句变为被动句。,Exercise.单项选择1.TodayChineseisbecomingmoreandmorepopular.It_inmanyschoolsaroundtheworld.A.teachesB.isteaching

9、C.hastaughtD.istaught,D,2.We_toclosethewindowsbeforeweleftthelab.A.tellB.toldC.aretoldD.weretold3.DidyouhearthatwaterinTaiLakesmeltterrible?Yes.Infact,it_.Thatsallbecauseofthepeopleandthefactoriesaround.A.pollutedB.waspollutedC.haspollutedD.willpollute,D,B,.将下列句子变为被动语态1.Myparentsboughtmeacomputerlas

10、tweek.2.Weoftenhearthegirlsinghappilyinherroom.Thegirlisoftenheardtosinghappily(byus)inherroom.,Acomputerwasboughtformebymyparentslastweek.,用所给动词的适当形式填空。1.Thepizzawas_(make)byme.Wouldyouliketohavesome?2.TheGreatWallis_(know)allovertheworld.3.Thisstorywas_(tell)bymygrandmotherlastnight.4.Wasanewscien

11、cemuseum_(build)inyourhometownlastyear?5.Nostudentis_(see)intheplayground.,made,known,told,built,seen,6.Historyis_bythepeople.(make)7.Heisoften_todotheworkbytheteacher.(ask)8.Thebook_byhimlastyear.(write)9.Theradio_lastweek.(repair),made,asked,waswritten,wasrepaired,4bCompletethesentenceswithcorrectformsoftheverbsinthebox.Thekeys,wereinvited,werebrought,waslocked;rang,weretold;broke,wereeaten;liked,4cWritethecorrectformsintheblanks.Thekeys,wasinvented,wasborn,worked,learned,wasinvented,wassaid,isused,将下列各句改为被动语态Hesavedalotofmoneythissummer.2.Wespendlargesumsofmon