形容词的比较级和最高级复习课件.ppt

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1、形容词的比较级和最高级RevisionMybestfriendZhangYueismygoodfriend.She’sinClass1,Grade4.She’samodelstudent.She’scleverandshe’shelpful,too.Sheoftenhelpsteachersandyoungerstudentsatschool.SheisgoodatChinese,Math,English,Art,Musicandsoon.ZhangYueisthebestfriendofmine.Ilikeplayingwithher.Wealwaysworktogethera

2、ndhelpeachother.goodmodelcleverhelpfulyoungergoodthebest形容词：是修饰名词（人或事物），表示名(adj.)词的性质，特征或属性一种词类。它在句中作定语、表语和宾语补足语。一、形容词的概念①形容词作定语一般放在被修饰的名词之前。如:a/an_____book,two______trees等。二、形容词的用法②形容词放在系动词be、look、get、sound、feel、keep、turn、feel、become、seem、grow、smell等之后。如:1.Iamshort.2.Shelooksfine.3.Theleaves

3、turngreen.newbigAisbigBisbigger/BisthebiggerthanA.◇Lookatthepicturesandunderstand看图并理解AissmallBisbigABor◇Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfast◇Lookatthepicturesandunderstand看图并理解fastfaster◇Lookatthepicturesandunderstand看图并理解fastfasterfastest◇Lookatthepicturesandunderstand看图

4、并理解Doyouknow?Howmanygrades(等级）dotheadjectiveshave?形容词有三个等级：原级、比较级、最高级eg.big—bigger—biggestfast—faster--fastest原级比较级最高级fastshortbigthinfunnyheavyathleticexpensivegoodfastershorterbiggerthinnerfunnierheaviermoreathleticmoreexpensivebetterFastestShortestBiggestThinnestFunniestHeaviestMostathleti

5、cMostexpensivebest构成方法原级比较级最高级单音节词和少数多音节词一般在词尾加-er/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-es或-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearli

6、erearliest多音节词和部分双音节词在词前加more或mosttiredmoretiredmosttiredeasilymoreeasilymosteasily单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。变化如下：不规则变化，要多加注意哦！good→→bad→→many→→little→→well→→badly→→much→→far→→betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremostimportant___________________

7、____________easy______________________________________wet_______________________________________happy____________________________________careful__________________________________thin___________________________________good_____________________