剑桥少儿英语2级U9--2.ppt

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1、剑桥少儿英语2级U9-2一一.定义：定义：一般用于同类两个人或事物的比较。二二.形容词比较级结构：形容词比较级结构：一般单音节词，少数双音节词一般单音节词，少数双音节词young-younger old-older short-shorter tall-taller long-longer strong-stronger weak-weaker quick-quicker fast-faster slow-slower loud-louder quiet-quieter small-smaller cold-colder clean-cleaner high-higher 以以e e结尾的单音

2、节词结尾的单音节词 nice-nicer fine-finer large-larger-词尾加r-词尾词尾+er三三.形容词比较级关键词形容词比较级关键词&用法用法 1.but 用法:原级,but+形容词比较级.形容词比较形容词比较级级This ruler is long,but that one is longer.Today is cold,but tomorrow is colder.Sallys room is clean,but Bens(room)is cleaner.That ruler is longer than this one.Tomorrow is colder th

3、an today.Bens room is cleaner than Sallys(room).A原级原级B比较级比较级 B比较级比较级 A三三.形容词比较级关键词形容词比较级关键词&用法用法1.but 用法:原级,but+形容词比较级.结构：A+be+原级，but B+be+比较级2.than 用法：形容词比较级+than 结构：B+be+比较级 than A eg.Yao Ming is taller than Liu Xiang.形容词比较级形容词比较级1.This market is small,but that market is smaller.2.The turtle is sl

4、ow,but the snail is slower.改写句子：That market is smaller than this market.The snail is slower than the turtle.3.These trees are tall,but those trees are taller.Those trees are taller than these trees.4.Our classroom is clean,but their classroom is cleaner.Their classroom is cleaner than our classroom.

5、Fred is fatter than John.Paul is thinner and taller than Peter.John is shorter than Peter,but taller than Fred.Jim is shorter than all the others.Fred is taller than Jim,but shorter than John.JimPaulFredPeterJohn1.1.肯定句：肯定句：肯定句：肯定句：PaulPaul is taller than John.is taller than John.2.2.否定句：否定句：否定句：否定句

6、：Paul isnt taller than John.Paul isnt taller than John.3.3.一般疑问句：一般疑问句：一般疑问句：一般疑问句：Is Paul taller than John?Is Paul taller than John?Yes,he is.Yes,he is.4.4.特殊疑问句特殊疑问句特殊疑问句特殊疑问句:Who is taller than John?Who is taller than John?Liu Yifei JimJim is thinner than Liu Yifei.thinbigThe orange oranges are b

7、igger than the green ones.Da LiJackDa Li is fatter than Jack.fat形容词比较级结构以重读闭音节结尾，且末尾只有一个辅音字母的词 big-fat-thin-hot-sad-wet-biggerthinnersadderfatterhotterwetter-双写词尾+er:big fat thin hot 用以下词及比较级写句子：形容词比较级的用法形容词比较级的用法2 1、两者之间的比较，句中有明显的标志词、两者之间的比较，句中有明显的标志词than Tom is fatter than John.B be动词动词 比较级比较级 tha

8、n A 2、Which/Who is+比较级比较级,A or B?is thinner,Colin or William?(选择疑问句选择疑问句)特殊疑问句特殊疑问句幻灯片幻灯片 15 3、能修饰比较级的副词及短语：、能修饰比较级的副词及短语：much(的多的多)、a little(一点儿一点儿)This city is much clean than that one.Today is a little hot than yesterday.erterWhoYao Ming is taller than Liu Xiang.Who is taller than Liu Xiang?Liu Y

9、ifeisLiu Yifeis hair is longer than Zhou Xuns.hair is longer than Zhou Xuns.Whose hair is longer than Zhou Xunsthan Zhou Xuns?The tiger is quicker than the cat.WhichWhich is quicker than the cat?is quicker than the cat?形容词比较级的用法形容词比较级的用法2 1、两者之间的比较，句中有明显的标志词、两者之间的比较，句中有明显的标志词than Tom is fatter than

10、John.B be动词动词 比较级比较级 than A 2、Which/Who is+比较级比较级,A or B?is thinner,Colin or William?(选择疑问句选择疑问句)特殊疑问句特殊疑问句幻灯片幻灯片 15 3、能修饰比较级的副词及短语：、能修饰比较级的副词及短语：much(的多的多)、a little(一点儿一点儿)This city is much clean than that one.Today is a little hot than yesterday.erterWho1.This apple is small than that one.2.Lulu i

11、s fater than Lili.3.Lily is 155cm taller.Lucy is 148cm taller.who is tall?4.Im taller,but he is tall.erfatterererW一一.形容词比较级结构形容词比较级结构 以重读闭音节结尾，且末尾只有一个辅音字母的词-双写词尾+er:big-bigger fat-fatter thin-thinner hot-hotter sad-sadder wet-wetter二二.形容词比较级的用法形容词比较级的用法21、两者之间的比较，句中有明显的标志词、两者之间的比较，句中有明显的标志词than 2、Which/Who is+,A or B?3、能修饰比较级的副词及短语：、能修饰比较级的副词及短语：much(的多的多)、a little(一点儿一点儿)三三.Than引导的形容词比较级的肯定，否定，一般疑问句及特殊疑问句的引导的形容词比较级的肯定，否定，一般疑问句及特殊疑问句的问法问法比较级Homework1.“than”句型造句（用已学比较级的三种构成方法各造3句），并选其中一句写出其否定句，一般疑问句及特殊疑问句否定句，一般疑问句及特殊疑问句2.下节课听写句子3.思考：happy的比较级是什么？你还能找出以y结尾的其他形容词么？谢谢大家！