Unit1语法专项课件形容词副词比较级themorethemore北师大版英语八年级上册

教学课件北师大英语八年级上册Unit1语法专项——形容词/副词比较级、最高级及“Themore...,themore...”结构

全解精讲+分层练习

学习目标掌握形容词和副词比较级、最高级的构成规则，含规则与不规则变化熟练运用比较级、最高级的核心句式，表达对比与程度掌握“Themore...,themore...”结构的用法，能正确造句学会用修饰词强化比较级，区分易混句式用法运用所学完成单选、填空、句型转换等多种题型形容词/副词比较级核心含义比较级是形容词和副词的重要变形形式核心用于两者之间的对比，表达“一方比另一方更……”也可表动作或状态的“逐渐变化”，或两者“程度相当”形容词比较级修饰名词，副词比较级修饰动词，用法分工明确比较级规则变化（一）表格词形特征变化规则例词（形/副）单音节词词尾+-ertall→taller；fast→faster以-e结尾词尾+-rnice→nicer；late→later重读闭音节（辅元辅）双写尾字母+-erbig→bigger；hot→hotter辅音+y结尾变y为i+-erhappy→happier；busy→busier比较级规则变化（二）多音节词及部分双音节词，直接在原级前加more形容词示例：popular→morepopular；interesting→moreinteresting副词示例：carefully→morecarefully；quickly→morequickly判断关键：双音节及以上，无特殊结尾，均用more+原级比较级不规则变化核心词不规则变化无固定规律，需单独记忆，为高频考点核心高频词：good/well→better（更好的/地）核心高频词：bad/badly→worse（更糟的/地）；many/much→more（更多的）核心高频词：little→less（更少的）；far→farther/further（更远的）比较级核心句式1：A+比较级+than+B基础句式，表“A比B更……”，than是核心标志词形容词比较级：Thisbookismoreinterestingthanthatone.副词比较级：Herunsfasterthanhisbrother.注意：than后接代词时，用宾格形式，如Sheistallerthanme.比较级核心句式2：比较级+and+比较级表动作或状态“越来越……”，体现变化的趋势单音节词直接用：Theweathergetscolderandcolder.多音节词用：moreandmore+原级，如Itbecomesmoreandmorepopular.此句式无主语单复数变化，直接套用即可比较级核心句式3：as+原级+as/否定式肯定式：as+原级+as，表“和……一样……”，中间必须用原级示例：Sheisastallashersister.HerunsasfastasTom.否定式：notas/so+原级+as，表“不如……”，as和so可互换示例：Thismovieisnotsointerestingasthatone.比较级拓展用法：修饰词强化程度可在比较级前加修饰词，强调“……得多/一点”常用修饰词：much,alot,alittle,abit,even示例：Thisroomismuchbrighterthanthatone.Herunsalittlefasterthanme.“Themore...,themore...”结构核心含义表两个变化之间的正相关关系，即“越……，就越……”前半句是条件，后半句是结果，两者随彼此变化而变化可用于形容词或副词比较级，是本单元重点特殊句式结构固定，只需替换比较级部分，即可灵活运用“Themore...,themore...”结构用法规则固定公式：The+比较级+主语+谓语,the+比较级+主语+谓语前半句用逗号与后半句隔开，首字母均大写示例：Theharderyouwork,thebettergradesyouwillget.Themorebooksyouread,themoreknowledgeyougain.注意：前后句的谓语时态需根据语境保持逻辑一致形容词/副词最高级核心含义最高级用于三者或三者以上的人/事物对比表达“在某一特定范围内最……”，是程度的最高级形容词最高级前必须加the，副词最高级前the可省略比较范围是判断是否用最高级的关键，常用in/of引导最高级规则变化（一）表格词形特征变化规则例词（形/副）单音节词词尾+-esttall→tallest；fast→fastest以-e结尾词尾+-stnice→nicest；late→latest重读闭音节（辅元辅）双写尾字母+-estbig→biggest；hot→hottest辅音+y结尾变y为i+-esthappy→happiest；busy→busiest最高级规则变化（二）+不规则变化多音节/部分双音节词，原级前加most，如popular→mostpopular副词同理：carefully→mostcarefully，quickly→mostquickly不规则变化与比较级对应，需配套记忆：good/well→best；bad/badly→worstmany/much→most；little→least；far→farthest/furthest最高级核心句式1：the+最高级+比较范围比较范围常用in+大范围（intheclass）、of+群体（ofthethree）形容词最高级：Thisisthetallestbuildinginthecity.副词最高级：Heruns(the)fastestofalltheboys.注意：副词最高级前的the可加可不加，形容词必须加最高级核心句式2：oneofthe+最高级+复数名词表“最……之一”，是高频写作句式，提升表达丰富度结构中必须用复数名词，因“之一”体现数量大于一示例：Sheisoneofthemostpopularteachersinourschool.ItisoneofthemostinterestingbooksIhaveread.最高级核心句式3：the+序数词+最高级+单数名词表“第几最……”，用于具体排名的表达序数词后接最高级，名词用单数，结构固定示例：TheYellowRiveristhesecondlongestriverinChina.Thisisthethirdtallesttreeinthepark.最高级拓展用法：比较级表最高级含义句式：比较级+than+anyother+单数名词，表“比其他任何一个都……”此句式虽用比较级，实则表达最高级含义，无需加the示例：Heistallerthananyotherstudentinhisclass.=Heisthetalleststudentinhisclass.语法小练单项选择

1.Thisparkis________thantheonenearmyhome.A.beautifulB.morebeautifulC.mostbeautifulD.themostbeautiful2.________youpractise,________youwillplaythepiano.A.More;betterB.Themore;thebetterC.Themore;bestD.More;thebetter3.Heisoneof________actorsinthismovie.A.themostfamousB.morefamousC.famousD.mostfamousBBA4.Theweatherisgetting________insummer.A.hotandhotB.hotterandhotterC.morehotandmorehotD.thehottest5.Shedoesn'tstudy________hersister.A.ashardasB.asharderasC.sohardthanD.soharderthan6.Whichsubjectdoyoulike________,Chinese,MathorEnglish?A.betterB.goodC.bestD.thebetterBAC7.The________hesleeps,the________hefeelsthenextday.A.more;betterB.most;bestC.more;bestD.most;better8.Thisroomis________largerthanthatone.A.manyB.muchC.soD.very9.Sheis________thananyothergirlinherclass.A.outgoingB.moreoutgoingC.themostoutgoingD.muchoutgoingABB10.Thisis________interestingstoryIhaveeverheard.A.themostB.mostC.moreD.themore11.Heruns________inhisschool,sohewinstherace.A.fastB.fasterC.fastestD.thefaster12.Themoreyouread,the________youwillknow.A.muchB.moreC.mostD.manyBCB

13.Thisproblemis________thanthatone.A.muchdifficultB.moredifficultC.mostdifficultD.themostdifficult14.Sheisthe________carefulstudentinourclass.A.moreB.muchC.mostD.very15.Theydon'thave________booksaswedo.A.asmanyB.somuchC.asmoreD.somoreBCA语法小练用所给词适当形式填空

1.The________(hard)youstudy,the________(good)gradesyouwillget.2.Thisis_____________________(beautiful)flowerinthegarden.3.Heswims________(fast)thanhisfriend.4.Themovieisbecoming________and________________(popular).5.Sheisnotas________(tall)ashermother.harderbetterthemostbeautifulfastermoremorepopulartall

6.Thisisoneof___________________(important)lessonsinthisbook.7.The________(much)youexercise,thehealthieryouwillbe.8.Heisthe________(clever)boyinhisclass.9.Shesings________(well)thananyothergirlintheschool.10.Theweatherisgetting________and________(cold)inwinter.themostimportantmorecleverestbettercoldercolder语法小练句型转换

1.TomistallerthanJim.（改为同义句）Jimis_______________________________Tom.2.Sheisthemostpopularsingerinourcountry.（改为同义句）Sheis________popularthan________________singerinourcountry.3.Themoreyoueat,thefatteryouwillbe.（对划线部分提问）________________youbeifyoueatmore?notastallasmoreanyotherHowwill

4.Thisbookismoreinterestingthanthatone.（改为否定式同义句）Thatbookis________________________thisone.5.Herunsthefastestinhisclass.（对划线部分提问）________________heruninhisclass?6.Theroomisbig.Theotherroomisbigger.（合并为一句）Theotherroomis________________thisone.lessinterestingthanHowdoesbiggerthan

7.Shedancesverywell.（用“Themore...,themore...”改写）Themoreshedances,________________shedoesit.8.ThisisthebestmovieIhaveeverseen.（改为一般疑问句）________thisthebestmovieyouhaveeverseen?9.Heisasoldashisbrother.（改为否定句）He________________asoldashisbrother.

thebetterIsisnot语法小练根据汉语完成句子

1.你读的书越多，你的视野就越开阔。Themorebooksyouread,________________yourvisionwillbe.2.这是我去过的最美丽的城市。Thisisthe________________cityIhaveeverbeento.3.他游泳不如他的同学好。Hedoesn'tswim________________________hisclassmates.4.上海是中国最大的城市之一。Shanghaiisoneof________________

citiesinChina.5.天气变得越来越暖和了。Theweatherisgetting________________________.thewidermostbeau