Unit 4 Friends forever Using language 教案-2022-2023学年高中英语（外研版2019必修第一册）

Unit4FriendsforeverUsinglanguage教学设计科目：英语课题：Usinglanguage课时：1课时教学目标与核心素养：1.Leadthestudentstounderstandthebasicstructureoftheattributiveclauses.2.Leadthestudentstoappropriatelyexpressideas,anddescribepeopleandthingsbyusingtheattributiveclauses.教学重难点教学重点：1.Leadthestudentstounderstandthebasicstructureoftheattributiveclauses.2.Leadthestudentstoappropriatelyexpressideas,anddescribepeopleandthingsbyusingtheattributiveclauses.教学难点：1.Leadthestudentstousecorrectrelativepronounstointroducetherestrictiveattributiveclauses.2.Leadthestudentstousetheattributiveclausesintherealcontext.课前准备：多媒体，黑板，粉笔教学过程：一、Pre-class1.Greeting2.Leading-in一、定语从句：在复合句中，做定语修饰名词或代词的从句，叫做定语从句。它所修饰的名词或代词叫做先行词。二、分类：限制性定语从句，非限制性定语从句三、关系词是总称，具体分为关系代词：who,whom,whose,that,which,as关系副词：when,where,why,that“定语从句”是英语学习的重点和难点，也是高考和其他各类英语考试的必考项目。它是复合句中三大从句之一，也是最难掌握的一种从句。定语从句的难点在于它的特殊结构，即“先行词+关系代词（关系副词）+从句”。许多同学分不清哪个是先行词或干脆忽略先行词的概念，因而不能正确使用关系代词或关系副词，更不清楚定语从句中的一些特殊情况。因此，要想掌握定语从句，就必须弄懂定语从句的本质，掌握其要点：①什么叫先行词？准确判断出定语从句所修饰的先行词；②关系代词和关系副词有何区别，正确使用关系代词或关系副词；③介词置于关系代词之前的情况；④关系代词或关系副词的省略；⑤限制性定语从句和非限制性定语从句的区别；⑥定语从句与强调句和同位语从句的区别。关系代词的用法关系代词修饰的先行词从句中所作的成分Who人主语，宾语Whom人宾语Whose人或物定语That人或物主语，宾语，表语Which物或事主语，宾语，表语，定语As人，物或事主语，宾语，表语1.who,whom的用法who和whom引导定语从句，二者都用于指人。who在定语从句中作主语，whom在定语从句中只作宾语。在现代英语中，跟特殊疑问句一样，作宾语时可以用who代替whom。2.whose引导定语从句，既可指人也可指物，它表示先行词和它所修饰的词是所属关系，在定语从句中作定语。Iwanttohelpthechildrenwhoseparentsdiedintheearthquake.3.which的用法which引导定语从句用来指物，在定语从句中作主语、宾语或表语，偶尔作定语。Theriverwhichrunsthroughthecentreofthecitybringsuslotsofpleasure.4.that的用法that引导定语从句，既可指人也可指物，指人时可与who或whom互换，指物时可与which互换。在从句中可作主语、宾语、表语。作宾语时可以省略；作介词的宾语时介词不能提到that之前。Janeisnolongertheperson（that/who/whom）Iworkedwithseveralyearsago.5.as的用法as引导定语从句主要用于两种情况：一种是限制性定语从句，先行词由as,so,such,thesame修饰；一种是非限制性定语从句，其先行词是整个主句，即as指代整个主句的内容。（1）as引导限制性定语从句，先行词前有as，so，such，thesame修饰。当先行词前有as，so，such，thesame等修饰时，关系代词常用as，它在从句中作主语或宾语。Suchpeopleashavemadegreatcontributionstotheworldshouldbegreatlyrespected.（2）as引导非限制性定语从句，其先行词是整个主句。as也可以引导非限制性定语从句，先行词就是整个主句，它在定语从句中作主语、宾语。它引导的从句可以位于主句前，也可以位于主句后，还可以位于主句中间。Aseverybodyknows,ShakespearewasagreatEnglishwriter.as引导非限制性定语从句时，常见的固定表达：asweallknow众所周知asIcanremember正如我所记得的asoftenhappens这经常发生asweexpect正如我们预料的那样asyousee这一点你明白ashasbeensaidbefore如前所述解asiswellknown众所周知aswasexpected正如预料的那样ascanbeseen看得出来asmaybeimagined正如可以想象出来的那样ashasbeensaidabove如上所述asweallcansee正如我们都能看到的那样asisoftenthecase情况常常如此aseverybodycando正像人人都能做到的那样二、While-class学生活动：完成活动1。aWecan...stayintouchwiththepeoplethatwewanttoremainfriendswith.bThedigitalagealsoenablesustofindpeoplewhoshareourinterest…studentsreadthesentencesinthefirstboxandpayspecialattentiontothewordsinbold.Thenaskthestudentstoanswerquestions1-2.1.Whatdoes"that"refertoinsentence(a)?Thepeople.2.Whatdoes"who"refertoinsentence(b)?People.Askthestudentstocomparethesentencesinthesecondboxwiththoseinthefirstbox.Thenaskthestudentstoanswerquestions3-5.cWecan...stayintouchwithpeople.Wewanttoremainfriendswiththem.dThedigitalagealsoenablesustofindpeople.Thesepeopleshareourinterests...3Whatisthedifferencebetweenthetwogroupsofsentences?Sentences(a)and(b)bothcontainaclausedefininganounineachsentence.Sentences(c)and(d)areeachconstructedwithapairofsimplesentences,withonedefininganounthatappearsintheothersentenceineachpair.4Whydoestheauthorchoosetousesentences(a)and(b)inthereadingpassage?Becausethereisacloserlinkandconnectionbetween"people"andtheclausedefiningitinsentences(a)and(b).Italsomakesthepassageclearer,andcreatesanemphaticeffectonthepeopleorthingsbeingdefined.5Whatotherwordsareusedtointroduceattributiveclauses?Whatdotheyreferto?Otherwordsusedtointroduceattributiveclausesinclude"which","whom"and"whose".Theycanrefertoanobjectorathing,apersonastheobjectofanactionandtherelationshipofbelonging.Moresentenceswithattributiveclausesinthereadingpassage:...theInternetcanconnectuswithotherswhoalsoenjoydoingthem......peopletendtopostonlypositiveupdatesthatmakethemappearhappyandfriendly.学生活动：完成活动2。Rewritetheunderlinedsentenceswiththat,which,who,whomorwhose.1.Lucyismyfriend.Shehasahearingproblem.2.SoIlearntanewlanguage.Itallowsmeto"speak"withmyhands.3.Lucyisasmartgirl.Herideasarealwaysinspiring.4.Isometimeshaveproblems.Ican'tsolvethem.5.Lucyisagoodlistener.Ienjoysharingmomentsofmylifewithher.Suggestedanswers:1.Lucyismyfriendwho/thathasahearingproblem.2.SoIlearntanewlanguagewhich/thatallowsmeto"speak"withmyhands.3.Lucyisasmartgirlwhoseideasarealwaysinspiring.4.Isometimeshaveproblems(that/which)Ican'tsolve.5.Lucyisagoodlistener(whom/who/that)Ienjoysharingmomentsofmylifewith.学生活动：完成活动3。Completetheonlineforumpostwiththat,which,who,whom,orwhose.WalkandTalkisagroup1_____meetseverySunday.Itisfreetojoin.WalkandTalkisperfectforanyone2_____weekendsneedsomeexcitement.Weareallteenagers3_____lovewalkingandmakingnewfriends.Wewantyoutojoinus!Thenextwalk4_____isopentonewmembersison22July.Youcanalsobringyourfriends.However,anyone5_____youbringmustbeover12