(精品)SectionA (2).ppt

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1、Grammar FocusGrammar FocusGrammar FocusGrammar FocusUnit7Unit7犀浦外国语学校犀浦外国语学校冉江峰冉江峰（语法小专题）（语法小专题）RevisionRevisionRevisionRevision形容词、副词比较级和最高级形容词、副词比较级和最高级规则变化规则变化和和不规则变化不规则变化。a)规则变化规则变化1)一般情况下，一般情况下，单音节或双音节的形容词单音节或双音节的形容词（或（或副词副词）比较级比较级er，最高级最高级est如：如：clevercleverercleverestfewfewerfewestsmallsmalle

2、rsmallest等。等。2)以以e结尾的词，比较级结尾的词，比较级r，最高级，最高级st即可。即可。如：如：nicenicernicestcutecutercutestlargelargerlargest3)以以辅音字母辅音字母y结尾的变结尾的变y为为ier或或est如如:easyeasiereasiesthappyhappierhappiest再如：再如：early,busy,heavy,dirty,lazy也如此。也如此。4)双写最后一个辅音字母双写最后一个辅音字母er或或est的词的词,同学要用心去记。同学要用心去记。fatfatterfattestthinthinnerthinnes

3、thothotterhottestredredderreddestwetwetterwettestbigbiggerbiggest5)多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级、比较级、themost构构成成最高级最高级。如：。如：beautifulmorebeautifulthemostbeautiful又如又如:delicious,popular,important,interesting,expensive,creative等等双音节双音节的词如的词如:carefulmorecarefulthemostcarefuluseful

4、moreusefulthemostuseful少数单音节词也是这样，如：少数单音节词也是这样，如：pleasedmorepleasedthemostpleasedtiredmoretiredthemosttiredb)不规则变化：不规则变化：goodbetterbestwellbetterbestbadworseworstmany,muchmoremostfarfartherfarthest(距离远距离远)farfurtherfurthest(程度深程度深)oldeldereldest(长幼长幼)oldolderoldest(年龄年龄)Whatsthehighestmountaininthew

5、orld?Qomolangma.HowhighisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.二。二。Readthesentencesbelow英语表示英语表示“有多长（宽，高有多长（宽，高）”时，一般将时，一般将数词数词和和数量单数量单位位放在表示长、宽、高的形容词放在表示长、宽、高的形容词前作状语。前作状语。Grammar()1.Thebasketballplayeristwometerstall.2.Theriverisonlytwometersdeep/wide.3.Thetreeistwometerst

6、all.4.Theboxisabouttwometershigh/wide/long.5.Theriverisabouttwokilometerslong.6.Themountainisabouttwothousandmetershigh.Itis.long/wide/high.=Itis.inlength/width/height.Thedeskisthreemetreslong/wide/high.Thedeskisthreemetresinlength/width/height.知识拓展知识拓展长安街大约长安街大约10公里长公里长,60米宽。米宽。ChanganStreetisabout

7、10kilometers_and60meters_.=ChanganStreetisabout10kilometersin_and60metersin_.longwidelengthwidthThebagis.long,wideandhigh.=Thebagis.inlength,inwidthandinheight.Thecaris.metreslong,metreswideandmetreshigh.=Thecaris.metresinlength,metresinwidthandmetresinheight.Jim-youngKate-youngerbaby-youngestyoungy

8、oungeryoungest形容词和副词的比较级和最高级形容词和副词的比较级和最高级1.大多数形容词有三个级的基本句式：大多数形容词有三个级的基本句式：1)原级原级:常用结构常用结构as.as.像像一样一样ZhangHongisastallasTom.张红和汤姆一样高。张红和汤姆一样高。2)比较级比较级(用于用于两者之间的比较两者之间的比较)常用结构：常用结构：形容词比较级形容词比较级than.HeistallerthanI.他比我高。他比我高。Grammar()3）最高级最高级(用于用于三者或三者以上的比较三者或三者以上的比较),常用结构常用结构:the+形容词的最高级形容词的最高级of/i

9、n.Heisthetallestofthethree.他是这三个人中最高的。他是这三个人中最高的。Heisthefunniestinhisclass.他是他们班最有趣的。他是他们班最有趣的。比较级修饰问题比较级修饰问题比较级考点比较级考点alittle,abit,even,still,much,alot,far等等可修饰比较级。可修饰比较级。e.g.TomisalittletallerthanJim.Thisbookismuchmoreinterestingthanthatone.同级比较同级比较e.g.TheweatherinBeijingiscolderthanthatinXian.Our

10、schoolisbiggerthanyours.the+比较级比较级e.g.Lucyisthefatterofthetwogirls.“a/an+比较级比较级”表示表示“又一，再一又一，再一”e.g.Lilyhasadoll,butshewantsabiggerone.隐性比较（没有隐性比较（没有than的情况）的情况）e.g.Whorunsfaster,LucyorLily?Youdbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharderthisterm.越来越越来越.a.比较级比较级+and+比较级比较级b.th

11、e+比较级比较级+句子，句子，the+比较级比较级+句子句子a.e.g.Itsgettingcolderandcolder.Themoreyouexercise,thebetteryouare.2.最高级考点最高级考点说明：形容词的最高级前必须加说明：形容词的最高级前必须加the；副；副词的最高级前省略词的最高级前省略the。范围问题范围问题e.g.Tomisthetalleststudentintheclass.Springisthebestseasonoftheyear.“.之一之一”问题问题e.g.Beijingisoneofthebiggestcitiesintheworld.“the

12、+序数词序数词+最高级最高级”e.g.Ithinkheisthesecondtallestboyinhisclass.3.比较级和最高级的转换比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthanalltheotherstudentsintheclass.=NootherstudentsaretallerthanTom.总结：总结：anyother+名词单数名词单数theother+名词复数名词复数否定否定+比较级比较级=最高级最高级比较级

13、比较级+极限极限=最高级最高级同级比较同级比较as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.not+as/so+adj./adv.+ase.g.TonydidntrunsofastasCarter.Test yourselfTest yourselfTest yourselfTest yourself4aFillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_r

14、iversintheworld.Itsalittle_thantheYangtzeRiver.2.Qomolangmais8,844.43meters_.Itsoneofthemost_placesforseriousmountainclimbers.longestlongerhighpopular3.Nooceanintheworldisas_asthePacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.bigmuchpopularlongoldhighbigoldermuchTwoanimals:_and_1._2._MonkeyD

15、ogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.4bWritetwocomparisonsabouttwotopics.Writetruefacts.Twocities:_and_1._2._theYangtzeRivertheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.s

16、hanghaiBeijingisasmodernasShanghaiShanghaiisbiggerthanBeijingandhasalargerpopulationthanBeijing.e.g.Tworiver:_and_Beijing_4cWritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1._2._3._4._5._Whatisthehighestbuildinginourcity?Whatisthebusiestsubwaystationinourcity?Whatisthelargestshopp

17、ingmallinourcity?Whichisthebiggestparkinourcity?Whichisthelongestroadinourcity?课时重点回顾课时重点回顾一形容词的比较级和最高级一形容词的比较级和最高级1.比较级：比较级：主语主语+谓语谓语(系动词系动词)+形容词比较级形容词比较级+than+对比成分对比成分2.最高级：最高级：主语主语+谓语谓语(系动词系动词)+the+形容词最形容词最高级高级+名词名词+表示范围的短语或从句表示范围的短语或从句句型句型例子例子比比较较级级A+实义动词实义动词+副词副词比较级比较级+than+BTomworksfasterthanD

18、avid.IspeakEnglishmorefluentlynowthanlastyear.最最高高级级A+实义动词实义动词+副词副词最高级最高级(+of/in)，副词最高级前的副词最高级前的the可省略可省略Ijumped(the)highestinmyclass.Ourteamplayed(the)worstofall.二副词的比较级和最高级二副词的比较级和最高级 比较级修饰问题比较级修饰问题 比较级考点比较级考点a little,a bit,even,still,much,a lot,far 等等可修饰比较级。可修饰比较级。同级比较同级比较 the+比较级比较级 .EnjoyasongThe more we get together.