2023年九年級英語全冊Unit6Whenwasitinvented第5課時(B3a-SelfCheck)課件新版人教新目標版

R·九年級全一冊Unit6Whenwasitinvented?SectionB3a—SelfCheckReview一般過去時被動語態(tài)一般過去時的被動語態(tài)表示過去某一時刻發(fā)生的被動性動作，其基本結(jié)構(gòu)為：

主語+was/were+過去分詞+by...翻譯：他們兩年前看過這位老師。Theteacherwasvisitedbythemtwoyearsago.主動變被動解題步驟：1.找賓語——2.判斷賓語的單復數(shù)——3.判斷動詞的時態(tài)——4.修改謂語的時態(tài)——5.修改原句的主語——即動作的承受者即be動詞的單復數(shù)即be動詞的時態(tài)即原句動詞改為過去分詞即by

+主語/賓語be要隨著主語變

邏輯主語by來引1.Tombrokethewindow.

ThewindowwasbrokenbyTom.2.

Hebrokethewindows.

Thewindowswerebrokenbyhim.

3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.?Problem:__________________________Newinvention:__________________Whatitisusedfor:______________quicklytakingnotesinclassaspecialpenImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3bThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswith(自帶)amicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’sSamplewritingmemory,thenassign(分配)ashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.Asyoupourinyourhotdrink,thecolorchanges.ColorchangingcupSmartandcreativeinventionsIt’sthensafeforyoungchildrentoeatthefruit.It’sconvenient.

計算機在我們的生活、工作中的作用越來越大，你知道計算機的起源與發(fā)展嗎？請結(jié)合計算機的發(fā)明時間(1946年）、外形、用途等方面，談一下它的發(fā)展變化，并說明你對未來計算機的暢想。

要求：1.意思連貫，語句通順；詞數(shù)不少于80。練一練這是一篇事物介紹類的說明文，根據(jù)題目提示可考慮采用下面的模板。計算機引出話題介紹發(fā)明暢想未來...importantinourdailylife.時間:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto...Computer

Computersarebecomingmoreandmoreimportantinourdailylife.Doyouknowwhenthecomputerwasinvented?Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops.Thecomputerisaveryusefultoolinourlife.【參考范文】Forexample,itcansendsomemessagestoforeignfriendsbye-mail.What’smore,itcanshareinformationwithothersthroughtheWorldWideWeb.Wecanalsolistentomusicorplaythegameoncomputers.Itmakesusrelax.It’shardtoimaginewhatourlifewouldbelikewithoutcomputers.Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture.SelfCheck1Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventionsinvent______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention2Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.Mywatchwasstolenbysomeone.Fiveeggswereusedtomakethisbigcakebythem.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Whenwasthepersonalcomputerinvented?Wewereaskednottoruninthehallwaybythem.Thevideowastakenbacktothestorebysomeone.3Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:When:Who:Purpose:switchplug(斷路插頭)2012年，富超穎(中國)scootercarriage(滑板嬰兒車)2007年

ValentinVodev(奧地利)ExerciseⅠ.Fillintheblankswiththecorrectformofthegivenverbs.Thefirstpaper__________(make)inChinain105AD.In610,papermaking______________(introduce)intoJapan.wasmadewasintroduced3.Kites___________(know)inChinaabout3,000yearsago.wereknown4.Wheelbarrows(獨輪手推車)_____________(invent)intheHanDynasty.5.Gunpowder(火藥)______________(discover)bytheChinesehundredsofyearsago.6.Soccer_____________(develop)inEnglandinthe12thcentury.wereinventedwasdiscoveredwasdevelopedⅡ.按要求改寫下列各句。1.Weplantedthesetreesin1997.(改成被動語態(tài))________________________________________2.Hemadeacakeyesterday.(改成被動語態(tài))________________________________________3.Theteachergavethestudentssomeadvice.(改成被動

語態(tài))______________________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.Someadvicewasgiventothestudentsbytheteacher.4.Hewasseentoreadabookinhisroom.(用I作主語,

改為主動語態(tài))___________________________________________5.Shewashelpedbyallthepeople.(改成一般疑問句)____________________________________________Isawhimread