初中九年級英語課件When was it inventedSectionA(1a1c)

Unit6

SectionA(1a-1c)TiefoMiddleSchoolChengLingWhenwasitinvented?→n.v.發(fā)明Inventor發(fā)明者Invention發(fā)明

The

many

allhislife.inventorinventedinventions

inventThetelephonewasinventedbyBell.Bellinvented

thetelephoneThecarwasinventedbyKarlBenzKarlBenzinventedthecar.ThetelevisionwasinventedbyBairdBairdinventedthetelevision.一般過去時的被動語態(tài)主動語態(tài)變?yōu)楸粍诱Z態(tài)的步驟:把原句中的賓語轉(zhuǎn)換為主語.2.把動詞改為被動形式,即“was/were+過去分詞”

.注意be動詞要按新的主語的人稱和數(shù)進行變化,時態(tài)要和原來的主動語態(tài)的時態(tài)保持一致.3.原來主語,如果需要,就放在by后面以它的賓格形式出現(xiàn).如果沒有必要就可以省略.其他的成分

(定語,狀語)不變,句式也不能變.Thepassivevoice.被動語態(tài)主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語Thepassivevoice.被動語態(tài)主動語態(tài)改被動語態(tài):Bellinventedthetelephonein1876.wasbyThetelephone

請把下列的主動句變?yōu)楸粍泳洌ㄗ⒁鈺r態(tài)的一致）1.Jackwateredtheflowersyesterday.Theflowerswerewatered

byJackyesterday.

2.Marysenttwoe-mailsyesterday.Twoe-mailswere

sentbyMaryyesterday.4.Edisoninventedthelightbulbin1879.

Thelightbulbwasinvented

byEdisonin1879.3.Hedidn’tseethefilmlastnight.Thefilmwasn’tseenbyhimlastnight.ExerciseLookatthethings.Inwhatorderdoyouthinkthey

wereinvented?1aA:IthinktheTV

wasinvented

beforethecar.B:Well,IthinktheTV

wasinvented

afterthecar.Thecarwasinvented

beforetheTV.GameA:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….Thetelephonewasinvented

beforetheTV.A:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….Thetelephonewasinvented

before

thecomputer.A:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….A:Ithink…

wasinvented

before…B:Well,Ithink…

wasinvented

after….Thetelephonewasinventedbeforethecar.A:Ithink…

wasinvented

before…B:Well,Ithink…

wasinvented

after….Thecarwasinventedbeforethecomputer.A:Ithink…

wasinvented

before…B:Well,Ithink…

wasinvented

after…TheTVwasinventedbeforethecomputer.1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacb年份的讀法兩個數(shù)字一組，分為前后兩組121865eighteensixtyfive1989

千年的讀法twothousand2001twothousandandonenineteeneightynine3前兩個數(shù)字不為零，后兩個數(shù)字為零。eighteenhundred1900nineteenhundred4非四位數(shù)的年份的讀法！531fivehundredandthirty-one

twohundredandeightynine289Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why??Alice:Well,youdidn’thavelikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Youneedto,Alice!?Alice:Haha!Howaboutcars?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carsin1885.Myfamilyhadacar.Alice:Well,didyouhaveaTV?Grandma:No,wecouldn’taffordone.Theywereinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidn’thaveacomputerbecausewelearnedinschoolthatwereinventedin1971.Grandma:You’reright.ButIhave

onenow!ListenandfillintheblanksmoderninventionstakeahistoryclasswereinventedexpensivepersonalcomputersPairworkA:Whenwasthetelephoneinvented?B:Ithinkitwasinvented

in1876.1c

wasinventedby.Thetelephone_______________Bell.Who

was

thetelephone

invented

by

？LookandSayBellA:Whatisthe_______usedfor?B:Ithinkitisusedfor___________________.talkingwithpeoplewatching

TVShowssearchingtheinformation.drivingtotheotherplacesPairworkNameWhenWhoWhatTheumbrella1000BCLuBan’swifeKeepingouttherainThecamera1839DaguerreTakingphotosThecar1885KarlBenzTravellingThemobilephone1973MartinCooperTalkingwithpeopleA:Whenwastheumbrellainvented?B:Itwasinventedin1000BC.A:Whowasitinventedby?B:ItwasinventedbyLuBan’swife.A:Whatisitusedfor?B:It’susedforkeepingouttherain.Chineseinventionspapermakinggunpowder['g?npa?d?(r)]printing['printi?]

compass['k?mp?s]=

CaiLuninventedthepapermaking.

ThepapermakingCailun.wasinventedbyWhowasthepapermakinginvented

by?ItBiSheng.

wasinventedbyTheyChinesepeople.

wereinventedbyGroupworkPapermaking105ADCaiLunmakingpaperPrintingSongDynastyBiShengMakingbooksPower1000yearsagoIdon’tknowcelebratingCompassHanDynastyIdon’tknowsailingForexample:Paperwasinventedin105AD.ItwasinventedbyCaiLun.Itisusedforwriting.Writing

挑選一件物品，談?wù)勎锲返臍v史，用處，優(yōu)點缺點等。TheTVwasinventedin1927.Itwasinventedafterthecar.Itisusedtogetnewsandotherprograms.Itbothhasadvantages(優(yōu)點)anddisadvantages(缺點).Itisgoodforustorelax,butifwewatchittoomuch.itisbadforoureyes.Guessing--Whatisitusedfor?--Itisusedfor…eatingeattellingthedatetellthedateInterestingInventionseatingeat

tellingthedatetellthedateGuessing--Whatisitusedfor?--Itisusedfor…h(huán)oldingwaterseeinginthedarkscooping

holdingwaterseeinginthedarkscooping

Guessing--Whatisitusedfor?--Itisusedfor…drawinglines.--Whatisitusedfor?--Itisusedfor…calling.GuessingCrazyinventionsusedfordancingusedfordrivingandflyingusedforwalkingandsingingusedforlivingandwalkingusedfordrivingintheseausedfordrivingCupsfordrinkingteakeyboardDelCtrl+Alt+Del=Reset(重置)一般過去式的被動語態(tài)的句式結(jié)構(gòu)1.肯定句：主語+was/were+done（動詞的過去分詞）ThetelephonewasinventedbyBell.2.否定句：主語+was/werenot+done（動詞的過去分詞）ThetelephonewasnotinventedbyBell.3.一般疑問句：was/were+主語+done（動詞的過去分詞）WasthetelephoneinventedbyBell?4.特殊疑問句：特殊疑問詞+was/were+主語+done（動詞的過去分詞）Whowasthetelephoneinventedby?

Searchaninventionyoulikeontheinternet,andthenwriteitdown.

HOMEWORKExercise

(一）單項選擇

（

）1.Thekindofcupisused__________drinking.

A.to

B.as

C.by

D.for

（

）2.Thetelephone________bythewell-knownscientist,AlexanderGrahamBell.A.inventedB.InventingC.wasinventedD.invent

（

）3.Ithinktheshortstory_________byLuXun.

A.iswriting

B.iswritten

C.written

D.waswritten

（

）4.--Who________theelectriclightbulb______?

—Edison.

A.was;invented

B.is;invented

C.was;Inventedby

D.did;inventedbyDCDC.Everymorningmyfatherbuysanewspaperonhiswaytowork.Everyeveningmymotherlooksthroughmagazinesathome.Andeverynight,IlookattheposterswithphotosofDavidBeckhamandYaoMingonmybedroomwallbeforeIgotosleep.Canweimaginelifewithoutpaperorprint?Paperwasfirstcreatedabout2,000yearsago，andhasbeenmadefromsilk，cotton，bambooandsincethe19thcenturyfromwood.Peoplelearnedtowritewordsonpapertomakeabook.Butinthosedays,bookscouldonlybeproducedoneatatimebyhand.Asaresult,theywereexpensiveandrare.Andbecausethereweren'tmanybooks,fewpeoplelearnedtoread.ThenprintingwasinventedinChina.Whenprintingwasdevelopedgreatlyatthebeginningofthe11thcentury,bookscouldbeproducedmorequicklyandcheaply.Asaresult,morepeoplelearnedtoread.Afterthat,knowledgeandideasspreadquickly.Todayinformationcanbereceivedonline,downloadedfromtheInternetratherthanfoundinbooks,andinformationcanbekeptonCD-ROMsormachinessuchasMP3players.

Computersarealreadyusedinclassrooms,andnewspapersandmagazinescanalreadybereadonline.Sowillbooksbereplacedbycomputersoneday?No,Idon'tthinktheYaoMingposteronmybedroomwallwilleverbereplacedbyacomputertwometreshigh!()1.Whatdoesthewriterdobeforehegoestosleep?A．Hereadsbook