九英上UnitSectionA第三课时 全省一等奖

九年级（上）Goforit!鸿鹄志英语教学课件Period2SectionA(GrammarFocus-4c)Unit6Whenwasitinvented?1.掌握以下单词及短语

fridge,low,somebody,translate,lock,earthquake,sudden,atalowprice,allofasudden,workon,lessthan等。

2.掌握以下句型

Whenwasthezipperinvented?Itwasinventedin1893.

Whowasitinventedby?ItwasinventedbyWhitcombJudson.

WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.

Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.

3.掌握一般过去时被动语态的构成及被动语态需要注意的地方。

学习目标自学互研1．Theboylosthisparentsduringthelastyear's_________(地震)．2．Thestudentswereaskedto________(翻译)thestoryintoEnglish.3．Thepolicefoundthelostboyunderthedestroyedhousethroughan____

(仪器)．4．Ionlyhavesome____

(饼干)andaglassofmilkeverymorning.5．Ifyoucan'teatallthesefruit，youmayputsomeintoyour______(冰箱)．earthquaketranslateinstrumentbiscuitsfridgeA:Whenwas…invented?B:Itwasinvented….Revision1971188518761927Canyouretellthehistoryoftea?OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime…请同学们拿出答题器进行抢答ReadGrammarFocusthenandfillintheblanks.1.拉链是什么时候被发明的？___________thezipper________?它于1893年被发明。It_______________in1893.2.它是由谁发明的？___________itinvented______?它是由惠特科姆•贾得森发明的。It_______________WhitcombJudson.wasinventedWhenwasinventedGrammarFocuswasinventedbyWhowasby请同学们拿出答题器进行抢答3.茶叶什么时候被带到朝鲜去的？___________tea_________toKorea?是在六到七世纪之间被带到朝鲜。It____________toKorea________the6thand7thcenturies.4.热冰淇淋勺用来做什么？What___thehotice-creamscoop__________?它用来挖很冷的冰淇淋。It’s_______________reallycoldice-cream.Whenwasbroughtwasbroughtduringusedforservingisusedfor5.贝尔于1876年发明了电话机。AlexanderGrahamBell_________thetelephonein1876.6.电话机在1876年被贝尔所发明。Thetelephone__________________AlexanderGrahamBellin1876.inventedwasinventedby一般过去时被动语态一般过去时被动语态的结构为“主语+was/were+及物动词的过去分词(+by+动作的执行者).”。如：Treeswereplantedlastyear.去年种了树。语法重点一般过去时被动语态的句式结构Themachinewasn’trepaired

yesterday.Thebuildingwasbuilt

in1987.Wasthebookwrittenin1977?将下列句子变为被动语态。

1.Hechosesixstorybookstheotherday. Sixstorybooks____________byhimthe otherday.2.UncleLeegaveJackalargecakeforhe paintedthewallwonderfully. Jack__________alargecakeforhe paintedthewallwonderfully.3.Amouseatehalfofthecakelastnight. Halfofthecake__________byamouselastnight.针对练习wasgivenwerechosenwaseaten将下列句子变为主动语态。

4.WerethesemachinesinventedbyEdison? _____Edison_______thesemachines?Didinvent5.ThepostcardwassenttoLindabyPaul. Paul_____thepostcard___Linda.6.AmericawasdiscoveredbyColumbus. Columbus__________America.senttodiscovered对划线部分提问

7.Shoeswithlightswereusedforseeingin

thedark. ___________shoeswithlights______for?8.PaperwasinventedinChinaalmosta

thousandyearsago. ___________paper_________inChina?

usedWhatwereWhenwasinvented4aPracticeRewritethesentencesusingthepassivevoice.【点拨】原句为一般过去时态，原句的谓语动词为sold，宾语为thefridge；改为被动语态时，应将thefridge作主语，谓语动词用wassold的形式。1.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.【点拨】分析原句的句子结构可知，stole是谓语动词，mycamera是句子的宾语；改为被动语态句时，应将mycamera作句子主语，谓语动词用wasstolen的形式。2.Somebodystolemycamerafrommyhotelroom.__________________________________________________________________Mycamerawasstolenfrommyhotelroom.

3.Wheredidyoutakethesephotos? __________________________________4.Ourparentsadvisedusnottogooutalone. __________________________________5.Differentwriterstranslatedthebookinto differentlanguages. __________________________________ __________________________________Wherewerethesephotostaken?

Wewereadvisednottogooutalone.

Thebookwastranslatedintodifferentlanguagesbydifferentwriters.

1.You____________tothepartylastnight, weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden, butluckilythevillagers_____________to asafeplace.wereinvitedeat,like,invite,tell,lock,ring,break,bringwerebrought4bCompletethesentenceswithcorrectformsoftheverbsinthebox.句子主语you与invite之间存在被动关系。villagers与bring之间存在被动关系3.Thedoor___________whenwearrived,sowe______thebell.4.Thestudents___________nottoeator drinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscience class.5.Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____ them.waslockedrangbrokeweretoldwereeatenlikedthedoor与lock之间为被动关系；而we与ring之间则为主动关系；其他各题相同。Thetelephone______________(invent)byAlexanderGrahamBell.He__________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.wasbornwasinventedworkedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.

4cthetelephone与invent之间存在被动关系；Mr.Bell与work之间是主动关系。In1875,Mr.Bell_________(learn)howtosendmusicalnotest