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ThedogisbiggerthanthemouseTheboyisyoungerthanthegirl.LiLeiistallerthanTom.A+be+比较级+than+B形容词比较级句式的结构：Themouseisshorterthantheduck.Theduckistallerthanthemouse.TomisyoungerthanNick.TomNickNickisolderthanTom.AbookissmallerthanBbook.ABBbookisbiggerthanAbook.Whichisbigger,thepigortheelephant?Theelephantisbigger.Whichistaller,thegiraffeorthedog?Thegiraffeistaller.Whichisfaster,thetigerorthedog?Thetigerisfaster.Hersweaterisasredasanapple.as…as…as…as…Thegiraffeisastallasthetree.形容词比较级一般用在比较两个事物的时候。形容词最高级就是在比较的时候，某一事物具有某方面最典型的特征。注意哦！！！比较级：用于两者比较。最高级：用于三者或三者以上比较。最高级前面要有thethe＋形容词最高级1.一般在形容词末尾加est。如：short---shortest2.以e结尾的，直接加st。如：fine-finest3.双写最后一个字母，再加est。如：big---biggest4.以辅音加y结尾的，把y变i，加est。如：happy-happiest形容词最高级的构成方法：the形容词最高级e结尾加sty变i加est辅元辅双写加est多音节或少数双音节在形容词前加-most直接加estthelatestthenicestthelargestfunny→thefunniestheavy→theheaviestdirty→thedirtiesthappy→thehappiesteasy→theeasiestthebiggestthethinnestthefattestthehottestthemostinterestingthemostbeautifulthemostdifficultthemostcarefulthemostboringthesmallesttallestlongestshorteststrongestfastestslowesttallestshortestoldestyoungestfattestthinnestbiggestsmallestfinefinerfinestthinthinnerthinnesthothotterhottesteasyeasiereasiesthappyhappierhappiesttall-taller–thetallestshort-shorter–theshortestold–older-theoldestyoung-younger–theyoungestfast-faster—thefastestslow-slower—theslowestbeautiful---morebeautiful---themostbeautifulcareful---morecareful---themostcarefuldifficult---moredifficult---themostdifficult三音节词比较级：前面加“more”三音节词最高级：前面加“themost”二、不规则形容词的比较级最高级原级比较级最高级good/wellbetterbestmany/muchmoremostlittlelessleastill/bad/badlyworseworstfarfarther/furtherfarthest/furtheroldolder/elderoldest/eldest注：older一般指年龄大小；Myfatherisolderthanmymother.elder指长幼关系(一般修饰名词作定语);Myelderbrotherisadriver.farther指距离更远；further指抽像的.IwanttostudyEnglishfurther.furtherreadingbigbiggerthebiggestAppleAAppleBAppleClonglongerthelongestfastfasterthefastestslowslowertheslowestfastfasterfastestThetigeristhefastest.Jimisstrong.LiLeiis.Tomis.strongerthestrongestWhat’sthesmallestinthepicture?Theantisthesmallest.What’sthebiggestinthepicture?Thewhaleisthebiggest.Thehorseisthebiggestofall.Thebabyistheyoungestofthethree.Thebrowncoatisthecheapest.Jimisthetallestinourclass.主语+be+the+最高级+of/in…..形容词最高级句式的结构：Thegiraffeisthetallestlandanimal.Itis5.5metrestall.ThetallestmaninChinais2.36metrestall.ThefastestplaneisintheUSA.Ittravelsat3,530kmperhour.Thebiggestanimalisthebluewhale.Itis30metreslongand150tons.Thebiggestplantsaretrees.ThefastestcarisinBritain.Ittravelsat1,020kmperhour.Thefastestfishisthesailfish.Itcantravelat100kmperhour.TheshortestwomaninChinawas79cmtallwhenshewas19.cm→centimetre厘米TheGreatWallisthelongestwallintheworld.Itis6,350kmlong.ThehighestmountainistheMountEverest.MountEverest(珠穆朗玛峰）Australia(澳大利亚）TheboatisinAustralia.Ittravelsat556kmperhour.fastestThetallestsnowmanwas22metres.ThelongestriveristheNile.Itis6,673kmlong.Part8pairwork:AskandanswerWhichdressislonger?Thereddressislonger.Whichdressisthelongestofthethree?Thegreenisthelongestofthethree.JimLiLeiTomLiLeiistallerthanTom.Jimisthetallestofall.Thecarisfast.Thetrainisfasterthanthecar.Theplaneisthefastestofthethree.Thedogisbiggerthanthemouse.Thehorseisthebiggestofall.Theboyisyoungerthantheman.Thebabyistheyoungestofthethree.bigbiggerbiggestyoungyoungeryoungestThebluecarisnice.Theredcarthebluecar.(红车比蓝车好看）Thepurplecarofall.（紫色车最好看）isnicerthanisthenicestabasementabalconyashouldermoustacheacoatalift姚明迈克•乔丹奥尼尔贝克•汉姆226cm198cm216cm183cmcm→centimetre厘米形容词的原形，比较级和最高级：原级比较级最高级bigbiggerbiggestcheapcheapercheapestnewnewernewestclosecloserclosestfriendlyfriendlierfriendliestexpensivemoreexpensivemostexpensivepopularmorepopularmostpopularcomfortablemorecomfortablemostcomfortableinterestingmoreinterestingmostinteresting