ComparativeandSuperlativeDegree广州市南国学校杨秀山Thegiraffeis_____than（比）thedeer.talltallertallersmallsmallerThemouseis_____than（比）thedog.smallertallersmaller形容词比较级的用法表示两个事物之间的比较,通常用than连接两个比较的对象。句式：比较对象A+is/are+形容词比较级+than+比较对象BThemouseis_____than（比）thedog.smallerThepigis_____than（比）thedog.biggerThedogis_____than（比）thepig.smallerThecat’stailis_____than（比）thepig’s.Thepig’stailis_____than（比）thecat’s.longershorterbigbiggerbiggestTheelephantis_________ofthethree.biggesttheThegiraffeis____________ofthethree.talltallertallestthetallest形容词最高级的用法表示三者或三者以上的事物进行比较,其中一个最怎么样,用形容词的最高级。形容词的最高级前面要加定冠词the,后面可用带有of(in)的短语来引导比较的范围.句式的构成：…+is/are+the+形容词最高级+of/in…Themouseis_________ofthethree.thesmallestThepigis_________ofthethree.biggesttheTheturtleis_________ofthethree.thesmallestbigbiggerbiggest构成方法原级比较级最高级一般在词尾加-er或-est以e结尾的，加-r或-st以重读闭音节结尾，且末尾只有一个辅音字母，要先双写这一字母，再加-er或-est以辅音字母加y结尾的，先把y变成i，再加-er或-est单音节词和部分双音节词双音节词和多音节词在形容词前加more或most。talltallertallestlatelaterlatestbigbiggerbiggestheavyheavierheaviestbeautifulinterestingdangerousmorebeautifulmoreinterestingmoredangerousGrammarmostbeautifulmostinterestingmostdangerous原形比较级最高级不规则变化good/wellbad/illmuch/manybetterworsemorebestworstmost形容词比较级、最高级的练习题1.Yingtianis________(taller/tallest)thanYongxian.2.TheChangjiangRiveristhe________(longer/longest)riverinChina.3.Mygrandmotheristhe__________(older/oldest)personofthethree.4.Annie’sbagis_______(newer/newest)thanJanet’s.tallerlongestoldestnewerDevelopment:TrytocomparethefamilymemberMyfatherisolderandfatterthanmymother.Mybrotheristallerandstrongerthanme.Homework运用形容词的比较级和最高级对家庭成员进行身材、外貌对比(3-5句话)Thewordsyoucanuse:younger/youngest;older/oldest;taller/tallest
