Unit2Period4Grammar一．【设计思想】采用直观的方式演示不易理解的概念,锻炼学生用英语直接思维,交际和解决问题的能力二．【教学目标】1.知识目标：（1）了解定语从句介词+关系代词的用法。(2)明确关系副词的运用。2.能力目标：定语从句中能准确地选用关系副词。三．【教学重难点】了解定语从句介词+关系代词的用法。定语从句中能准确地选用关系副词。【课堂导入】Step1:Revision（请赏析课文中含有“介词＋关系代词”或“关系副词”引导定语从句的句子并口头将它们翻译成中文）介词＋关系代词1.(L19，P22)Inthecorner,thereisagarbagecanaroundwhicharepiecesofgarbageandwastepaper.2.(P22)TheMathsteacheristhepersonwhomIgotan‘A’from.关系副词3.(L51，P22)Perhapsthereisareasonwhythehouseisamess.4.(P30)Doyourememberthedaywhenweleftyouincharge?思考：在上述句子中，为什么选用“介词＋关系代词”或“关系副词”引导定语从句？【课堂教与学】Step2:请用适当的“介词＋关系代词”完成下列句子1.Theteacher------------IlearntmostwasMrsZhu.2.ThisisthehouseLuXunoncelived.3.HewillneverforgetthedayhecametoBeijing.4.ThereasonIcamehereisthatIwanttogetyourhelp.5.ThefellowIspokemadenoanswer.6.TheWestLake,Hangzhouisfamous,isabeautifulplace.7.Iwassurprisedatthewayhetreatedtheoldman.8.Thepencilhewrotewasbroken.思考：1）根据什么选择适当的“介词＋关系代词”或关系副词？2）哪些句子中的“介词＋关系代词”可以用关系副词替换？Step3:请用适当的“介词＋关系代词”或“关系副词”合并下列句子1.Johnisaverykind-heartedman.Youcanturntohimforhelp.2.Thebookiswrittenbythatfamouswriter.Iamveryinterestedinit.3.Tomistheboy.Iwenttothecinemawithhimtogether.4.Itisthegolddiamond.Ispentallmymoneyonit.Step4:请用“介词+关系代词”或“关系副词”将下列句子翻译成英文1.刚才你和他握手的那个人是我们的英语老师。2.这就是我们去年学习的教室。3.他昨天没有出席班会的原因是他病了。4.我永远也忘不了我参军的那一天。【课堂巩固】Askthestudentstofinishthefollowingexercisesasaconsolidation.Meanwhile,usetheexercisestoexplainthedifficultpoint—thechoicebetweenrelativepronounsandadverbs.“when”or“which”?1.Istillrememberthedays________westayedtogetherinBeijing.(when)2.Istillrememberthedays________wespenttogetherinBeijing.(which)3.Istillrememberthedays________weenjoyedourselvesinBeijing.(when)4.Istillrememberthedays________weenjoyedinBeijing.(which)“where”or“which”?5.Thatbluehouseistheplace________Ilivedyesterday.(where)6.Thatbluehouseistheplace________Ivisitedyesterday.(which)7.Thatbluehouseistheplace________Ipaidavisityesterday.(where)8.Thatbluehouseistheplace________Ipaidavisittoyesterday.(which)“why”or“which”?9.Doyouknowthereason________hetoldmethenewslastweek?(why)10.Doyouknowthereason________hetoldmelastweek?(which)11.Doyouknowthereason________hewaslatethismorning?(why)12.Doyouknowthereason________hewaslateforthismorning?(which)【知识小结】1、在英语中，我们常用“介词＋which（先行词是物）”或“介词＋whom（先行词是人）”引导定语从句。在非正式语体中介词通常放在定语从句结尾。2．当介词放在关系代词前面时，关系代词常用which，或whom，不能用that引导。关系代词which或whom不能省略。3.当先行词是way时，我们常用inwhich或that引导定语从句，它们也可以省略。4.关系副词when，where，和why引导的定语从句它们的先行词分别是：时间名词，地点名词，和reason。在正式语体中，when，where和why可以用介词＋关系代词替换。【提升与拓展】1.Hebuiltatelescope（望远镜）______hecouldstudytheskies.A.inwhichB.withthatC.throughwhichD.byit2.Istillremembertheday______shefirstworethatpinkdress.A.whichB.inwhichC.onthatD.onwhich3.I'llshow...
