初中英語九年級全冊-Unit 6 Section A (1a-1c)學(xué)案

人教版英語九年級全冊第六單元SectionA(1a-1c)導(dǎo)學(xué)案Unit6Whenwasitinvented?SectionA(1a-1c)預(yù)習(xí)目標(biāo)：Tolistenandtalkabouttheimportantinventionsandtheirhistory,usingpassivevoice.(1).--Whenwas…invented?--Ithinkitwasinventedin…(2).Ithink…isinventedbefore/after…2.通過談?wù)撝匾l(fā)明，引出一般過去時態(tài)的被動語態(tài)以及用法。預(yù)習(xí)導(dǎo)學(xué)：復(fù)習(xí)前面學(xué)過的一般現(xiàn)在時態(tài)的被動語態(tài)：結(jié)構(gòu)：主語+be(is\am\are)+動詞過去分詞+其它.——肯定句主語+be(is\am\are)+not+動詞過去分詞+其它.——否定句Be(is\am\are)+主語+動詞過去分詞+其它？——一般疑問句例句：Thegreentreesareplantedbythesideofthemountains.（肯定句）Thegreentreesaren’tplantedbythesideofthemountains.（否定句）Arethegreentreesplantedbythesideofthemountains?（一般疑問句）練習(xí)題：用所給詞的正確形式填空。1.Keys__________(use)forlockingthedoor.2.English___________(speak)InEngland.3.Thebaby___________(look)afterbyhisbaby.4.Basketball___________(play)ontheplayground.5.Rice___________(grow)inChina.6.Mostofthefarmwork____________(do)bymachinesinnorthernChina.參考答案：1.areused2.isspoken3.islooked4.isplayed5.isgrown6.isdone預(yù)習(xí)導(dǎo)學(xué)：由invent一詞引出一般過去時態(tài)的被動語態(tài)：invent,發(fā)明，動名詞；invention，發(fā)明，名詞；inventor，發(fā)明家，名詞。Talkaboutinventions:e.g.Edison,agreatinventor,inventedmanygreatinventionsduringhislife.Forexample,lightbulbisoneofthem.Thatmeans“Edisoninventedlightbulbs”=LightbulbswereinventedbyEdison.Bellinventedthefirsttelephonein1876.=Thefirsttelephonewasinvented(byBell)in1976.KarlBenzinventedthefirstcarin1885.=Thefirstcarwasinvented(byKarlBenz)in1885.J.L.Bairdinventedthefirsttelevisionin1927.=Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem(1-4)(1=first,4=last)Thenworkinpairstopracticetheconversationlikethis:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.運(yùn)用句型：A:Ithink…wasinventedbefore/after...B:Well,Iagreewithyou.或者Well,Ithink...1bListenandmatchtheinventionswiththeyears.______1876______1885______1927_______1971參考答案：d.telephone——1876a.car——1885c.television——1927a.car——1971聽力材料中涉及一般過去時的被動語態(tài)的句子：Thetelephonewasinventedin1876.\Carswereinventedin1885.\TheTVwasinventedaround1927.\Personalcomputerswereinventedin1976.一般過去時的被動語態(tài)：主語+was/were+及物動詞-ed形式+其它。（肯定句）主語+was/were+not+及物動詞-ed形式+其它。（否定句）Was/Were+主語+及物動詞-ed形式+其它？（一般疑問句）例如：Theclassroomwascleanedyesterday(bystudents).（肯定句）Theclassroomwasn’tcleanedyesterday(bystudents).（否定句）Wastheclassroomcleanedyesterday(bystudents)?（一般疑問句）又如：Theflowerswerewateredbythelittlegirl.（肯定句）Theflowersweren’twateredbythelittlegirl.（否定句）Weretheflowerswateredbythelittlegirl?（一般疑問句）1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.類似的練習(xí)：A:Whenwasthecar\computer\televisioninvented?B:Itwasinventedin...練習(xí)題：翻譯句子1.電話是什么時候發(fā)明的？When_______thetelephone______?2.汽車是誰發(fā)明的？________wasthecarinvented_______?3.電視機(jī)的發(fā)明早于電話嗎？Wasthetelevision___________________thetelephone?4.不是。電視機(jī)的發(fā)明晚于電話。No,thetelevision________invented________thetelephone.5.家庭電腦約于1971年問世。Personalcomputers__________________________1971.參考答案：was,invented2.Who,by3.invented,before4.was,after5.wasinventedaround用所給詞的正確形式填空。Oh,lookatthetallbuilding,doyouknowwhen_____it_______(build)?Tomdidn’tcometothepartybecausehe__________________(notinvite).Luckily,thesickman_________________(take)tothehospitalintime.InAmericanhistory,Dr.MartinLutherKing_________________.(kill)Thebook_________________(write)bythefamousChinesewritercalledLuxun.I_________________(tell)nottoswimalonebymyteachers.按要求改寫句子。1.Bellinventedthefirsttelephone.（改為被動語態(tài)）Thefirsttelephone_____________byBell.2.Theplayedbasketballatschoolyesterday.（同上）Basketball___________atschoolbythem.參考答案：1.was,built2.wasn’tinvited3.wastaken4.w