英语人教版九年级全册When　was　it　invented.ppt

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1、Unit6SectionAGrammarFocusReviewTranslatethephrases.spreadtoothercountriesbyaccidentItissaid…overanopenfirefallintothewatertakeplacewithoutdoubt流传到其它国家偶然；意外地据说…在户外的火上掉入水中；落入水中发生毫无疑问；的确被动语态(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

2、过去时的被动语态:Weboughtsomebooks.主动句与被动句之间的转换Somebookswerebought(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.2、一般过去式的被动语态:w

3、as/were+动词的过去分词Hisdeskwascleanedjustnow.Thestationwasbuiltin1928.Thecakelooksnice.Whomadeit?Itwasmadebymyaunt.Howdeliciousthesoupis!Whocookedit?ItwascookedbyMom.Whatabeautifulcarditis!Whomadeit?Itwasmadeby…2.Somebodystolemycamerafrommyhotelroom.Mycamerawassto

4、lenfrommyhotelroom(bysomebody).3.Wheredidyoutakethesephotos?Wherewerethesephotostaken?4aRewritethesentencesusingthepassivevoice.4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.Wewereadvisedbyourparentsnottogoouta

5、lone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.1.Hewroteanarticlelastweek.Anarticlewaswrittenbyhimlastweek.2.Thepeoplemakehistory.Historyismadebythepeople.把下列的主动句变为被动句。4bCompletethesentenceswithcorrectformsoftheverbsinthebox.Thekeyswereinvi

6、tedwerebroughtwaslockedrangweretoldbrokewereeatenliked4cWritethecorrectformsintheblanks.ThekeyswasinventedwasbornworkedlearnedwasinventedwassaidisusedExerciseⅠ.单项选择1.---TodayChineseisbecomingmoreandmorepopular.---It_______inmanyschoolsaroundtheworld.A.teaches

7、B.isteachingC.hastaughtD.istaughtD2.We_______toclosethewindowsbeforeweleftthelab.A.tellB.toldC.aretoldD.weretold3.---DidyouhearthatwaterinTaiLakesmeltterrible?---Yes.Infact,it_______.That'sallbecauseofthepeopleandthefactoriesaround.A.pollutedB.waspollutedC.ha

8、spollutedD.willpolluteDB中考链接【2011安徽芜湖】42.Thesedaysstudentsinsomeschools______nottousemobilephones.A.askB.askedC.areaskedD.wereasked答案：C【解析】被动语态。主语students是动作的承受者，所以用被动语态；根据thesedays可知用一般现