Unit 5 On the road Using language 教案-高一英语新外研版必修第二册

Unit5OntheroadUsinglanguage【教学目标】1.掌握本课的重要词汇与句式；2.使学生能够了解并掌握现在分词作定语的用法，并在真实语境中运用。【教学重难点】使学生能够了解并掌握现在分词作定语的用法，并在真实语境中灵活运用。【教学过程】Step1课前自学一、知识梳理Activity11.Lookatthesentencesfromtheinterviewandanswerthequestions.a...therewereover200,000peoplereadingmyblog!bIlovetophotographtherisingsun,...(1)Insentence(a),whoreadtheblog?(Answer:Over200,000peoplereadtheblog.)(2)Insentence(b),whatisrising?(Answer:Thesunisrising.)(3)Whendoweputthe-ingformbeforethenounitmodifiesandwhendoweputitafter?(Answer:Ifweuseonesingle-ingformtomodifyanoun,weusuallyputitbeforethenoun.Ifthe-ingformplusotherwordsisusedtomodifyanoun,itisusuallyputafterthenoun.)2.Thencomparethemwiththefollowingsentencesandanswerthequestions.c...therewereover200,000peoplewhoreadmyblog!dIlovetophotographthesunthatisrising,...(4)Whatisthedifferencebetweenthetwogroupsofsentences?(Answer:Thefirstgroupusesthe-ingformasattributivewhilethesecondgroupusesattributiveclauses.)(5)Whydoestheauthorchoosetousesentences(a)and(b)inthereadingpassage?(Answer:Becausethesentencesusingthe-ingformasattributivearemoreconciseandcolloquial.)3.NowgettheSstolookformoresentenceswiththisstructureintheinterview.二、主要用法精讲现在分词是一种非限定动词，兼有动词和形容词的特征，在句子中可以作表语、定语、宾语补足语和状语，一般表示进行或主动的意思。现在分词作定语的具体用法如下，教师可根据学生情况酌情安排教学。1)单个现在分词作定语，一般置于被修饰的名词之前，常表示正在进行的动作。例如：leakingpipes（漏水的管道）2)若被修饰的代词为those,something,everything,nothing等，则现在分词要放在其后。例如：Heisreadingsomethinginteresting.（他正在读有趣的内容。）3)现在分词短语作定语，置于被修饰的名词之后。例如：Ifyouseesoldierswearingsky-bluehelmets,theyareUNpeacekeepers.（如果你看见戴着天蓝色头盗的士兵，他们就是联合国维和人员。）4)当现在分词或现在分词短语位于被修饰的名词之后时，往往可用定语从句替代。例如：Peterreceivedalettersayinghisgrandmawouldcometoseehimsoon.=Peterreceivedaletterwhich/thatsaidhisgrandmawouldcometoseehimsoon.（Peter收到一封信，信里说他祖母很快要来看他。）Step2语法探究过去分词与现在分词作定语时的区别：Thegirlstandingunderthetreeisverybeautiful.(表主动、进行)站在树下的女孩很漂亮。HaveyoureadthenovelwrittenbyDickens？(表被动、完成)你读过狄更斯写的这部小说吗？Step3自学检测同义句转换Amanlivinginthevillagerarelyseessubways.→Aman_____________________________rarelyseessubways.Theybuiltahighwayleadingintothemountains.→Theybuiltahighway_____________________________.Thosewhowishtojointheclubshouldsignhere.→Those_____________________________shouldsignhere.Themeetingwhichisbeingheldnowisveryimportant.→Themeeting_____________________________isveryimportant.Waleisasmallriverwhich/thatcutsacrosstheparknearmyhome.→Waleisasmallriver_____________________________nearmyhome.Thereweresomepeoplewhowereswimmingintheriver.→Thereweresomepeople_____________________________.1．把句子补充完整；2．根据所学，写出现在分词在每个句子中充当什么句子成分。Step4．教师讲解1.核对同学们自学检测的答案。2.根据课前自学内容，对现在分词作定语的相关知识进行更详细的补充说明。3.让学生把从课文中找到