小学形容词的比较级和最高级.ppt

小学形容词的比较级和最高级.ppt

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,tall,taller,tallest,Thelittleboyistall.PCJistallerthanhim.YMisthetallestofthem.,形容词副词的比较级,最高级,原级（positivedegree）比较级（comparativedegree）3.最高级（superlativedegree）,一.规则变化1.一般直接加-er/-est;eg.talllong2.以不发音的e结尾时加-r/-est;eg.latelarge3.以“辅音字母+y”结尾的双音节词,变y为i加-r/-est;eg.easyhappy4.以“辅元辅”结尾的词，双写末尾辅音加-r/-est;eg.fatthin5.以er结尾，直接加-er/-est;eg.clever6.多音节词和部分双音节词词前加more/most.eg.carefulbeautiful,WriteouttheComparativeDegrees（比较级）andtheSuperlativeDegrees（最高级）ofthesewords.,bignicethineasycheaplatethirstysafeyounglightcarefullycleverheavyearlyhappyeasilybeautifulinteresting,二.不规则变化,原级：

1.表示两者相等时A+be+as+原级+as+Beg.Thecoatisasbeautifulasthatone.2.表示两者不相等时A+be+not+as/so+原级+as+Beg.Thepigisnotsoheavyasthehorse.,Usages,注意:

3.强调倍数时用（A是B的几倍）A+be+倍数+as+原级+as+Beg.Theclassroomistwiceasbigastheoffice.Thehouseisthreetimesaslargeasthekitchen.,比较级用法：

1.A+be+比较级+than+B表示A比B.eg.Themanistallerthanthatwoman.2.比较级+and+比较级表示“越来越.”,多音节词可用“moreandmore.eg.fatterandfattertallerandtaller3.the+比较级，the+比较级表示越.就越.eg.Thesooner,thebetter.Themore,thebetter.,4.当有表示程度的副词alittle,abit,alot,much,even,still,far,rather,any等修饰形容词时,该形容词用比较级.eg.JapanisalittlelargerthanGermany.5.两者比较用比较级，带有than的用比较级；eg.Whoisyounger,TomorJohn?

Thisstoryismoreinterestingthanthatone.,6.the+比较级+ofthetwo表示“两者中比较.的一个eg.Thegirlisthetallerofthetwo.,最高级：

1.三者或三者以上用最高级，带有of.或in.短语的句子用最高级eg.Heisthetalleststudentinhisclass.2.oneofthe+最高级+名词复数，表示最.之一eg.ShanghaiisoneofthemostbeautifulcitiesinChina.,3.形容词最高级前一般用定冠词the，但形容词最高级前有物主代词时，则不用定冠词eg.Todayismyhappiestday.ChangjiangisthelongestriverinChina.,Completethesentenceswiththerightformsofthewords.Jimisvery_.LiLeiis_thanJim.（hungry）Katesmooncakesare_ofall.（nice）Yourboxis_thanmine.Buthisis_ofthethree.Unit2isquite_.Unit3is_thanUnit2.Its_inModule1.ThisTVplayis_thanthatone.（good）,Mymotherisvery_.Sheis_inmyfamily.（busy）Linglinggetstoschool_thantheothers.（early）ShespeaksEnglish_inourclass.（well）Lucyjumpedquite_.（far）IthinkEnglishisas_asChinese.（important）Thispictureis_ofthefour.（beautiful）Lucydid_thanLily.（bad）,选择题:

1.-Tomisgoodatdrawing.HowaboutMike?

-Mikeis_,Ithink.HehasgotmoreprizesthanTom.A.goodB.worseC.better2.-Howfarisittotheairport?

20kilometers?

-No,its_.About30kilometers.A.fartherB.thefartherC.thefarthest,3.Nowtelephonesareverypopularandtheyaremuch_thanbefore.A.cheapB.cheaperC.cheapest4.-Bob,howareyoufeelingtoday?

-Much_.Idontwanttoeatanything.A.betterB.worseC.healthier,