Unit4SectionAGrammarFocus课件人教版英语八年级上册-1

Unit4GrammarFocusLookandshareMountQomolangmaisthe________mountainonEarth,withaheightof8848.86meters.highestTheNileRiveristhe________riverintheworld.longestTheSaharaDesert

isthe________hotdesertintheworldlargestWhat’samazingabouttheseworld’srecords?LookandshareWhat’samazingabouttheseworld’srecords?Thebluewhaleisthe______________animalintheworld.largest/heaviestTheMarianaTrenchisthe_______placeintheworld’soceans.deepestTheGreatWallisthe_______man-madestructureintheworld.longestThebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastestamongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.

PresentationReadthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?3aTranslateallthesentences蓝鲸是世界上最大、最重的动物。世界上最大的陆地动物是非洲象。在所有陆地动物中，猎豹跑得最快。我认为世界上最有用的植物是竹子。它可能是世界上最有趣的植物。Thebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastestamongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.

Presentation音节是否是规则变化Readthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?3aDoyouknowtherules?Thebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastestamongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.

PresentationReadthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?3a不规则变化呢？双音节heavy最高级双音节useful的最高级单音节large最高级单音节fast最高级三音节interesting的最高级单音节big最高级形容词、副词的最高级用于三个或三个以上的人或事物之间的比较，常用of/in/among短语来说明比较的范围。形容词最高级前要加定冠词the，副词最高级前的the可省略。

定义特点形容词、副词的最高级Itisthemostpopularcinemainthecity.Heis

the

tallest

ofthethree.Heruns(the)fastest.Let’slearnGrammar考向1

形容词、副词最高级的构成

①

规则变化

构成方法原级最高级

单音节词和部分双音节词一般在词尾加-esthighhighesttalltallest以字母e结尾的词，在词尾加-stfinefinestnicenicest重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-estbigbiggestthinthinnestfatfattesthothottest以“辅音字母＋y”结尾的双音节词，先把“y”改为“i”，再加-esteasyeasiestfunnyfunniestearlyearliestGrammar考向1

形容词、副词最高级的构成

①

规则变化

构成方法原级最高级

多音节词和部分双音节词在词前加mostcomfortablecarefullymostcomfortablemostcarefully

特别提醒:

由“动词＋-ed”或“动词＋-ing”构成的形容词变最高级时，通常在该形容词前加most。e.g.interesting

→

mostinteresting

relaxed

→

mostrelaxed

exciting

→mostexciting

boring

→

mostboring

②

不规则变化

Grammar考向1

形容词、副词最高级的构成原级最高级原级最高级good/wellbestlittleleastbad/badly/illworstfarfarthest/furthestmany/muchmostoldoldest/eldestclever__________ cheaply__________

large__________nice__________ well__________

busy__________hard__________ glad__________ little__________

beautiful__________ tidy__________ heavy__________far__________ bad__________ colourful__________popular__________old__________commom__________cleverestmostcheaplylargestnicestbestbusiestgladdestleastheaviesttidiestworsthardestmostbeautifulfarthest/furthestmostcolourfulmostpopularoldestmostcommomExercisesThebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephant.Thecheetahrunsthefastest

amongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.

PresentationReadthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?3aPayattentiontotheredwords.最高级有范围？Yes!形容词和副词的最高级的范围e.g.ThisisthebiggestcityinChina.Hewastheyoungestplayerintheteam.e.g.Sheisthemosttalentedofallthestudents.Thisappleisthesweetestofthefour.表示“在……范围内”，后接大范围(如地点、组织、时间阶段等)。表示“在……中”，后接具体的人或事物(复数名词/集合名词)，强调从同类中选出“最……”的个体。in

+范围of+具体成员/同类事物形容词和副词的最高级的范围e.g.Heistherichestmanamongthebussinessmen.Whichisthesmallestamongthesebirds?e.g.Shescoredthehighestmarksoutofallstudents.Thissongismyfavoriteoutofhisnewalbum(专辑).强调“在……群体中”，后接复数名词或代词，可与of互换，但among更侧重“在多者之间”的分布感。表示“从……中”，后接明确的复数名词或代词，常用于强调“从某一特定范围中选出”。among+同类群体outof+明确范围

Thebluewhaleisthelargestandheaviestanimalintheworld.Thecheetahrunsthefastestamongalllandanimals.Bambooisoneofthemostpopularsubjects

inChinesepaintings.Readthesentencesandpayattentiontotheunderlinedwords.最高级的常用句型：主语+be动词+the+形容词最高级+in/of短语.主语+实义动词（+the）+副词最高级+in/of短语.主语+be动词+oneofthe+形容词最高级+可数名词复数+in/of短语.Grammar考向2

最高级的常用句型◆

“疑问词+be+the+形容词最高级，甲、乙or丙？”用于三个或三个以上的人或事物之间的比较。

◆

“疑问词+助动词+主语+动词原形（+the)+副词最高级，甲、乙or丙？”◆

“主语+be+the+序数词+形容词最高级+可数名词单数+in/of短语”意为“……在……中是第几……的……”。Whoisthetallest,Tom,KateorBill?Whichcitydoyoulikebest,Beijing,ShanghaiorGuangzhou?TheYellowRiveristhesecondlongestriverinChina.Grammar考向2

最高级的常用句型即时练习：1.JiansheRoadisthe_______roadinourcity,especiallyaround8:00am.A.busier B.busiestC.wider D.widestB

2.

—Whogotthefirstprizeinthiscompetition?—OfcourseTomdid.Heworked_______amongus.A.hard B.harderC.hardestC

3.竹子是中国画中最受欢迎的主题之一。Bambooisoneof_____________________________inChinesepaintings.themostpopularsubjects4.Nanjingisn’tsobig________Shanghai,butit’sthesecond________inEastChina.A.like;big B.as;biggerC.like;biggest D.as;biggestD

5.TheQinghaiLakeis______lakeinChina.ItisinQinghaiProvince.A.largeB.largerC.largestD.thelargest6.TheBookofSongs《诗经》isthe______collectionpoemsinChinaandbeginningofChina’speetradition.A.early B.earlierC.earliest7.—AsIknow,yourfriendJeffisveryhumorous(幽默的)．

—Yes.Heis______personIknow.A.funnierB.thefunniestC.moreseriousD.themostseriousD

C

B

①比其他任何......都......:

比较级+thananyother+可数名词单数

比较级+thantheother+可数名词复数e.g.Thisappleisredderthananyotherappleontheplate.=Thisappleisredderthanthe____________ontheplate.=Thisappleisthereddestofalltheapplesontheplate.

这个苹果是盘子里所有苹果中最红的。otherapplesGrammar考向3

比较级表示最高级含义的用法

Completethesentenceswiththesuperlativeformsofthewordsinbrackets.Amongallanimals,Ilovepandasthebest.Ithinktheyare__________(cute)animalsintheworld.Whichdoyouthinkis_________________(beautiful),therose,thepeony,orthelotusflower?Lookatthatbutterfly!Ithas__________________(colourful)wings.Whichanimaljumps___________(high),thelion,themonkey,orthetreefrog?Theelephantbirdswere_________(large)and________(heavy)birdseveronearth.Somecouldstanduptothreemetrestallandweighupto860kg.thecutestthemostbeautifulheaviestthemostcolourful(the)highestthelargeststandupto高达weighupto重达n.牡丹n.莲花3bCompletethepassagewiththesuperlativeformsofthewordsinthebox.ancientbeautiful

common

good

popularTheginkgotreeisoneof____________________livingtreesonearth.Ginkgotreesfirstappearedover200millionyearsago.Chinesepeoplelovetheginkgo,asitisasymbolofhopeandlonglife.ManyChinesebelievethattheoldginkgotreeintheZhongnanMountainsinShaanxiProvinceis___________________.Thousandsof

touristscometoseeiteach