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一、教材分析:
谈论有关“发明”的话题,掌握一般过去时的被动语态。二、三维目标1.知识和技能目标:谈论重要发明的时间,发明者和用途。2、过程与方法目标:能运用所学知识练习一般过去时的被动语态的句式。3、情感态度、价值观:认识世界、改造世界
三、教学重点:单词,短语和句型四、教学难点:运用一般过去时的被动语态谈论重要发明的时间、发明者和用途。五、教学策略:通过谈论重要的发明练习,充分掌握一般过去时的被动语态用法。→n.v.发明Inventor发明者Invention发明
The
many
allhislife.inventorinventedinventions
inventThetelephonewasinventedbyBell.Bellinvented
thetelephoneThecarwasinventedbyKarlBenzKarlBenzinventedthecar.ThetelevisionwasinventedbyBairdBairdinventedthetelevision.一般过去时的被动语态主动语态变为被动语态的步骤:把原句中的宾语转换为主语.2.把动词改为被动形式,即“was/were+过去分词”
.注意be动词要按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3.原来主语,如果需要,就放在by后面以它的宾格形式出现.如果没有必要就可以省略.其他的成分
(定语,状语)不变,句式也不能变.Thepassivevoice.被动语态主动语态变被动语态的结构图:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语Thepassivevoice.被动语态主动语态改被动语态:Bellinventedthetelephonein1876.wasbyThetelephone
请把下列的主动句变为被动句(注意时态的一致)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年份的读法两个数字一组,分为前后两组121865eighteensixtyfive1989
千年的读法twothousand2001twothousandandonenineteeneightynine3前两个数字不为零,后两个数字为零。eighteenhundred1900nineteenhundred4非四位数的年份的读法!531fivehundredandthirty-one
twohundredandeightynine289PairworkA:Whenwasthetelephoneinvented?B:Ithinkitwasinvented
in1876.1c
wasinventedby.Thetelephone_______________Bell.Who
was
thetelephone
invented
by
?LookandSayBellA:Whatisthe_______usedfor?B:Ithinkitisusedfor___________________.talkingwithpeoplewatching
TVShowssearchingtheinformation.drivingtotheotherplacesChineseinventionspapermakinggunpowder['gʌnpaʊdə(r)]printing['printiŋ]
compass['kʌmpəs]=
CaiLuninventedthepapermaking.
ThepapermakingCailun.wasinventedbyWhowasthepapermakinginvented
by?ItBiSheng.
wasinventedbyTheyChinesepeople.
wereinventedby一般过去式的被动语态的句式结构1.肯定句:主语+was/were+done(动词的过去分词)ThetelephonewasinventedbyBell.2.否定句:主语+was/werenot+done(动词的过去分词)ThetelephonewasnotinventedbyBell.3.一般疑问句:was/were+主语+done(动词的过去分词)WasthetelephoneinventedbyBell?4.特殊疑问句:特殊疑问词+was/were+主语+done(动词的过去分词)Whowasthetelephoneinventedby?Exercise
(一)单项选择
(
)1.Thekindofcupisused__________drinking.
A.to
B.as
C.by
D.for
(
)2.Thetelephone________bythewell-knownscientist,Bell.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
Searchaninventionyoulikeontheinternet,andthenwriteitdown.
HOMEWORK.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.Hereadsbooks.B.Hereadsnewspapers.C.Helooksthroughmagazines.D.Helooksatthepostersonthewall.()2.Whenwaspaperfirstcreated?A.About2,000yearsago.B.Inthe19thcentury.C.About1,000yearsago.D.Inthe11thcentury.()
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