Unit6Atonewithnature课题Unit6AtonewithnatureUsinglanguage（1）学科英语班级Class授课教师教学目标1引导学生进一步了解定语从句的结构和表意功能，掌握“介词+关系代词”的用法，并在实际语境中运用。2通过学习定语从句，进一步加深对英语的理解，培养起对英语学习的兴趣。重点1了解“介词+关系代词”在定语从句中的功能；2会根据实际情况灵活正确选用相应的介词。难点在定语从句中适当介词的选择使用。教学方法Teachgrammarinrealsituations.Learngrammarthroughpractice.教学内容与过程Step1Leading-in:Attributiveclauses(3)此活动聚焦课文素材，引导学生自己去发现、总结限制性定语从句中“介词+which/whom”的表意功能。教师仅作为辅助者、监督者，为学生提供支持性信息。第一步：学生朗读例句，关注粗体部分，尝试理解粗体部分表达的含义。第二步：学生分组活动，各小组对比两组例句，基于活动中的问题展开讨论，发现两组例句在句子结构上的不同之处，归纳限制性定语从句中“介词+which/whom”结构的表意功能及其在语篇层面的效果。第三步：请个别小组分享答案并总结限制性定语从句中“介词+which/whom”的表意功能和用法，根据学生水平酌情进行补充和扩展。第四步：学生在课文中找出更多含“介词+which/whom”结构的限制性定语从句，体会其用法和表意功能。Lookatthesentencesfromthereadingpassageandanswerthequestions.a…theycouldincreasetheareasinwhichtheycouldgrowrice.b…theseterracesstillmeanalottothelocalpeopleforwhomtraditionsholdmuchvalue.1Whatdo“which”and“whom”refertoineachsentence?备注2Whydoweuseprepositionsbefore“which”and“whom”?3Insentence(a),canwereplace”inwhich“with”where“withoutchangingthemeaning?Comparethemwiththefollowingsentencesandanswerthequestions.c…theycouldincreasetheareas.Theycouldgrowcropsintheseareas.d…theseterracesstillmeanalottothelocalpeople.Traditionsholdmuchvalueforthem.4Whatisthedifferencebetweenthetwogroupsofsentences?5Whydoestheauthorchoosetousesentences(a)and(b)inthereadingpassage?Nowlookformoresentenceswithattributiveclausesinthereadingpassage.○参考答案1“Which”refersto“theareas”insentence(a),and“whom”refersto“thelocalpeople”insentence(b).2Because“which”and“whom”serveastheobjectoftheactionphrasesthatendwithapreposition.3Yes.4Sentences(a)and(b)bothcontainaclausedefininganouninthesentence.Sentences(c)and(d)areconstructedwithapairofsimplesentences,withonedefininganounintheothersentenceineachpair.5Becausethereisacloserlinkandconnectionbetweentheitemandtheclausedefiningitinsentences(a)and(b).Itwillalsomakethepassageclearer,andcreateanemphaticeffectontheobjectsbeingdefined.Step2Presenting定语从句介词+关系代词讲解1使用“介词+关系代词”引导定语从句的情况当关系代词在定语从句中作介词的宾语时，通常用“介词+关系代词”引导定语从句。如果关系代词在句中指人，则用“介词+whom”；如果指物，则用“介词+which”。例句：①Themanbywhomthethiefwascaughtwasagoodpoliceman.那个抓住小偷的男人是个优秀的警察。②ThisisthereasonforwhichIwaspraisedbymychemistryteacher.这就是我得到化学老师表扬的原因。2介词选用的规则介词的选择要根据其与先行词的关系以及句意决定，在定语从句中，经常可以根据谓语动词的搭配习惯来确定介词。3其他注意事项含有介词的动词固定短语在定语从句中一般不拆开，在这种情况下，介词仍然放在后面，例如hearfrom,lookafter等。而在介词处于句尾时，句中的关系代词可以省略。例句：①Imetthechild(whom)Ilookedaftertenyearsago.我遇到了十年前我照料过的那个孩子。②Iwantedtovisitthehouse(which)mygrandparentslivedin.我想去看看我祖父母曾经居住过的房子。Step3Consolidation教师带领学生改写句子，在真实语境中巩固对定语从句“介词+关系代词”结构的理解。...
