2021年人教新目标九上英语Unit 6 Section B 3a-Self Check课件

SectionB3a-SelfCheck 一般过去时被动语态一般过去时的被动语态表示过去某一时刻发生的被动性动作,其基本结构为：主语+was/were+过去分词+by...►Theteacherwasvisitedbythemtwoyearsago.他们两年前看过这位老师。Revision 主动变被动解题步骤:1.找宾语——即动作的承受者2.判断宾语的单复数——即be动词的单复数3.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5.修改原句的主语——即by+主语/宾语 be要随着主语变逻辑主语by来引►1.Tombrokethewindow.ThewindowwasbrokenbyTom.►2.Hebrokethewindows.Thewindowswerebrokenbyhim. WarmingupInventionsareeverywhereinourlife 3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.•Problem:__________________________Newinvention:__________________Whatitisusedfor:__________________quicklytakingnotesinclassaspecialpentakingnotesquickly 3bImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor… ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’sSamplewriting memory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto. Asyoupourinyourhotdrink,thecolorchanges.Colorchangingcup SmartandcreativeinventionsYoucanneverchopyourfingersoffanymore. SmartandcreativeinventionsIt’sthensafeforyoungchildrentoeatthem. switchplug(断路插头)2012年，富超穎(中国) scootercarriage(滑板婴儿车)2007年，ValentinVodev(奥地利) 计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间（1946）年、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。要求：1.意思连贯，语句通顺；词数不少于80。Computer_______________________________________________________________________________________________________________________________________ 这是一篇事物介绍类的说明文，根据题目提示可考虑采用下面的模板。计算机引出话题介绍发明畅想未来...importantinourdailylife.时间:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto... ComputerComputersarebecomingmoreandmoreimportantinourdailylife.Doyouknowwhenthecomputerwasinvented?Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops.Thecomputerisaveryusefultoolinourlife.【参考范文】 Forexample,itcansendsomemessagestoforeignfriendsbye-mail.What’smore,itcanshareinformationwithothersthroughtheWorldWideWeb.Wecanalsolistentomusicorplaythegameoncomputers.Itmakesusrelax.It’shardtoimaginewhatourlifewouldbelikewithoutcomputers.Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture. Selfcheck1Completethepassagewiththecorrectformofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.invent Someinventionscanalsoleadtootherinventions______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.doubtwebsitesmentionallofasudden 2Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore. Checkanswers1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake.Whenwasthepersonalcomputerinvented?Wewereaskednottoruninthehallway.Thevideowastakenbacktothestore(bysomeone). 3Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:When:Who:Purpose: Ⅰ.填空。Thefirstpaper__________(make)inChinain105AD.Forover500yearstheartofmakingpaper__________(limit)toChina.In610,papermaking______________(introduce)intoJapan.Kites___________(know)inChinaabout3,000yearsago.wasmadewaslimitedwasintroducedwereknownExercises 5.Wheelbarrows____________(invent)intheHanDynasty.6.Gunpowder_______________(discover)bytheChinesehundredsofyearsago.7.Soccer_____________(develop)inEnglandinthe12thcentury.wereinventedwasdiscoveredwasdeveloped Ⅱ.按要求改写下列各句。1.Weplantedthesetreesin1997.(改成被动语态)____________________________________2.Hemadeacakeyesterday.(改成被动语态)____________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday. 3.Theteachergavethestudentssomeadvice.(改成被动语态)____________________________________________________4.Hewasseentoreadabookinhisroom.(用I作主语,改为主动语态)____________________________________________________5.Shewashelpedbyallthepeople.(改成一般疑问句)_______________________________________________Someadvicewasgiventothestudentsbytheteacher.Isawhimreadabookinhisroom.Wasshehelpedbyallthepeople? Ⅲ.完成句子。1.在200多个国家中，超过一亿人打(篮球)，包括中国。_____________by_____________100millionpeopleinover200countriesincludingChina.2.篮球是由加拿大一位叫詹姆斯·奈史密斯的博士发明的。Basketball___________________aCanadiandoctornamedJamesNaismith.Itisplayedmorethanwasinventedby 3.人们认为，历史上的首次篮球赛是在1891年12月21日举行的。_______________thatonDecember21st,1891,thefirstbasketballgameinhistorywasplayed.4.从那时起，篮球在世界各地的普及程度得到提升。Sincethen,thepopularityofbasketball____________worldwide.Itisbelievedhasrisen Ⅳ.用所给词的适当形式填空。1.Nowcomputersarewidelyusedinour______(day)lives.2.Hementioned_________(hear)fromheroften.3.Thesoupisvery_______(salt)becausemymotherputlotsof_____(salt)onit.4.Sincethen,the___________(popular)ofbasketballhasrisenquickly.5.Ihaveworkedherefor_______(near)twoyears.dailyhearingsaltysaltpopularitynearly —Look,whatanoldbridge!Itlookssospecial!—Yeah,it______nearly500yearsago.A.wasbuildingB.wasbuiltC.hasbuiltB中考链接将近500年前修建的，用一般过去时的被动语态。 HomeworkWriteanarticleaboutyourfavouriteinvention.Dosomeexercisesaboutpassivevoice.Prepareforatest.