初中英語牛津譯林版九年級上冊Unit8Detectivestories 省賽獲獎

9AUnit8DetectivestoriesGrammar教學目標1．知識與技能themoveofsb(某人的行蹤)，bytheway,sitdownbesidesb=sitdownnexttosb,bestressedoutwithbloodonhisshirtatthesceneofthecrime,(be)highlypossible2．情感、態(tài)度與價值觀CultivatethestudentstolearntocommunicatewithothersinEnglish.重點難點1、重點Thenewwordsandthephrasesinthispart.2、難點Tousethetwokindsofsentencescorrectly教學方法task-basedapproach教學用具Taperecorder;Multi-MediaTeachingprocedures:Step1Leadin(教學目的：通過回顧reading里的內(nèi)容，既復習上節(jié)課的內(nèi)容，同時可以引出本課時的重點定語從句)Teacher:Whatisadetective?Students:Adetectiveissomeonewholooksforcluestosomethingimportant.TeachergoesoverReadingandintroducesmoreDefiningrelativeclauses.Forexample:WeareaskinganyonewhosawanythingunusualnearCornStreetlastnighttocontactus.Wearenowcheckingthesceneformoreclueswhichwillhelpsolvethecase.Thevictim’sparentshaveofferedarewardof50,000yuanforanyinformationthatleadstothearrestofthemurderer.Writethesentencesaboveontheblackboard.Step2Explanation1.定語從句的含義在復合句中修飾名詞或代詞的從句叫定語從句。Themanwholivesnexttousisalawyer.HeisthemanwhoIsawyesterday.Footballisagamewhichislikedbymostboys.Givemethebookthatyoureadjustnow.Step3DoingexercisesMoreaboutthemurderPartAMillieiswritingdownsomesentencesaboutthemurdercase.Helpherdecidewhethertheycontaindefiningrelativeclauses.Underlinethedefiningrelativeclauses.Keys:3.thatmayhelpsolvethecase.4.whohadsomethingtodowiththemurder5.whohadbloodonhisshirt（教學目的：利用教材上的練習進一步鞏固學生對定語從句的引導詞在具體語境中的靈活運用。）Step4Explanation被修飾的名詞或代詞叫先行詞。定語從句通常出現(xiàn)在先行詞之后，由關系詞引出。引導定語從句的關系代詞有who,which,that，whom,whose,等和關系副詞where,when,why等。關系代詞和關系副詞在定語從句中擔任句子成分。常見的關系代詞有who、which和that。他們所代替的先行詞是表示人或物的名詞或代詞，并在從句中充當主語、賓語、定語等成分。關系代詞who指人，在定語從句中做主語或賓語。.YesterdayIhelpedanoldmanwholosthisway.2.關系代詞which指物，在賓語從句中做主語或者賓語。.Thisisthefridgewhichheboughtyesterday.3.關系代詞that指人時，相當于who;指物時，相當于which.當其在定語從句中做賓語時可省略。Step5Exercises1.AboutdetectivestoriesPartB1Simonandhisfriendsareplayingagame.Eachpersonhastosaysomethingaboutdetectivestories.Usewho,whichorthattohelpthemcompletetheirsentences.Keys:who/thatwhich/thatwho/thatwho/thatwho/that2.SolvingthecrimesPartB2AreporterisinterviewingapoliceofficeronTVaboutthemurderinWestTown.Millieistalkingnotes.Helphercompletethesentencesusingrelativeclauses.Keys:who/thatwassinglewhich/thatwascoveredinbloodwhich/thatwillhelpsolvethecasewho/thatmightbethemurdereroftheyoungman3.PartB3Afewdayslater,Millieistellingherdadaboutthemurder.Completetheirconversationwithwho,whichorthatandtheexpressionsinthebox.Keys:who/thatkilledtheyoungmanwhich/thatisn’tallowedbythelawwhich/thathisbosshadcommittedwho/thatwasseenrunningdownthestreetStep6Explanationthat和which在指物的情況下一般都可互換,但在下列情況下,一般用that而不用which。1)先行詞為all,everything,nothing,something,anything,little,much等不定代詞時。Iamsureshehassomething_____youcanborrow.2)先行詞被all,every,no,some,any,little,much等修飾時。I’vereadallthebooks____arenotmine.3)先行詞被序數(shù)詞或最高級修飾時。Thisisthefirstbook____hehasread.4)先行詞被theonly,thevery,thesame,thelast修飾時。Thisistheverybook___belongstohim.歸納:that,既指人又指物,作主語或賓語。which,指物,作主語或賓語。that指人時相當于who或whom，指物時相當于which。who指人，在從句中作主語或賓語。whom指人，在從句中作賓語。that,which,whom在定語從句中作賓語時,可省去。Step7ExercisesFillinthegaps.1)Theterribletyphoonkilledthepeopleandcattle____wereinthefields.2)Thewindblewdownthetallesttree____isinfrontofourschoolgate.3)Thisistheverything_____Iwaslookingfor.4)Thisisthesecondnovel____Ihaveeverread.5)Thereisnothingintheworld____canfrightenme.6.)Whoistheman____isreadingunderthetree?7)Myhometownisnotthesameone____itusedtobetwentyyearsago.Keys:thatthatthatthatthatthatthat（教學目的：此處練習中所出現(xiàn)的都是特殊情況下關系詞的使用，在掌握課文知識的同時，讓學生更加深入學會理解和運用定語從句）Step8Homework1.Rememberthenewwordsinthislesson.

2.Dotheexercisesontheworkbook.板