Unit 5 Lesson 6 Round Up课件.ppt

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1、Unit5Lesson6RoundUp形容词比较等级的含义：形容词有三个比较等级：1、原级，即原形2、比较级，表示“较……”或“更……一些”3、最高级，表示“最……”。形容词变比较级和最高级规则变化不规则变化构成方法原级比较级最高级单音节词和少数双音节词一般在词尾加-er/ə/或-est/ist/talltallertallestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicest以重读闭音节结尾且末尾只有一个辅音字母时，应先双写这个辅音字母；再加-es或-estbigbiggerbiggestthinthinnerthinnest以“辅

2、音字母+y”结尾的词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mostbeautifulmorebeautifulmostbeautifulinterestingmoreinterestingmostinteresting一、形容词比较等级的规则变化如下：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/fur

3、therfarthest/furthestoldolder/elderoldest/eldest表示两者的比较时用比较级。如：LiuXiangistallerthanJim.“A+be+形容词比较级+than+B”意思为“A比B更……”表示三者或三者以上中“最……”时，用最高级。如：YaoMingisthetallestofthethree.“A+be+the+形容词最高级+范围”意思为“A在范围内最……”Iamthebiggest.Iambig.Iambiggerthanthewolf.Mysonissmallerthanme.zebraissmallerthanme.Iamisth

4、esmallest.Mysisterisolderthanme.Mymomisolderthanme.Iamtheoldest.Iamthesmallest.Iamsmallerthantheredapple.Iamsmall.Iamthetallest.Iamtall.Iamtallerthanyou.Iamheavierthanyou.Iamheavy.Iamtheheaviest.Myneckisthelongest.Myneckislong.Myneckislongerthanyou.练习1.tall_______________2.nice_______________3.s

5、trong________________4.old________________5.big________________6.thin________________7.heavy________________8.beautiful________________9.good________________tallerstrongeroldertalleststrongestoldestbiggerbiggestthinnerthinnestnicernicestheavierheaviestmorebeautifulmostbeautifulbetterbest1.Tomis_

6、_____(tall)thanJim.2.LiLeiisthe________(young)boyinhisclass.3.Whois_________(thin),youorHelen?Helenis.4.Whosepencil-boxis_________(big),yoursorhers?5.DoesNancysing__________(well)thanHelen?Yes,shedoes.6.Myeyesare__________(big)thanhers.7.Whichis__________(heavy),theelephant,thechickorthepig?练习yo

7、ungestthinnerbiggertallerbetterbiggerheaviestHomework:以后和别人比身高体重时，记得用英文炫一下哦！