比较级的变化规则课件.pptx

1、形容词的比较级变化规则与用法比较级变化规则1、规律变化：单音词的变化：（四条）一般情况：+er(比较级)+est(最高级)eg:young-youngerthe youngest bright-brighter-the brightest 明亮/聪明的 high-higher-the highest词末为-e（不发音）+r-+steg:fine-finer-the finest nice-nicer-the nicest close-closer-the closest large-larger-the largest重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er-双写辅音字母+est

2、eg:hot-hotter-the hottest big-bigger-the biggest sad-sadder-the saddest fat-fatter-the fattest thin-thinner-the thinnest少数以辅音字母+y结尾的双音节 原根词：变y为i+er 变y为i+est eg:busy-busier-the busiest heavyheavierheaviest happyhappier-happiest 其他双音节和多音节词都在前面加单词more和most eg:more different most different more outgoing

3、 most outgoing2.不规则变化：goodwellbetterbestbadillworseworstmanymuchmoremostlittlefewlessleastfarfartherfurtherfarthestfurthest3.用法1.比较级由“A is+形容词形容词(副词副词)比较级比较级thanB，”构成表示在两者中间一方比另一方“更加”。连词than后可接句子，也可接名词、代词、名词短语、介词短语、动词、动词不定式、Eg:China is bigger than US.I am shorter than you.Now,I feel better than befo

4、re.1.最高级用于三者以上比较，形容词的结构形式是“定冠词形容词最高级名词表示范围的短语或从句”(如all,of all,of the tree,in the world,that has ever taken place等)Eg:he is the tallest student in our class.Sha is most beautiful woman of the three people4.形容词和副词的特殊用法一、形容词与副词的同级比较：由“as(so)+原级as”引出，其否定式为“not so+as”或“not asas”,Eg:john is nearly as tall

5、 as hie father.He is as busy as beforeHe isnt as old as he looksHe is not so handsome as his brother.二.“比较级比较级”或“more and more+形容词或副词的原级”结构表示事物特征的逐渐递进，常翻译为“越来越”eg:thanks to the new projects,our city is becoming more and more beautiful 三、“the+比较级，the+比较级”结构表示两个过程按比例同时递增，常翻译为“越越”，两个分句中，前者为从属从句，后者为主句。e

6、g;The earlier you start,the more quickly youll finish it.四、“the+比较级+of the two”结构表示“两者当中较的”，通常要在形容词比较级前面加the,还可以省去形容词后面的名词。eg:Which is the larger of the two countries,Canada or Australia?练习.根据句意，用所给词的适当形式填空。1.Traveling by air is _ than by train.(expensive)2.Which river is _,the Yangtze River or the

7、Yellow River?(long)3.The sick man is getting _.(ill)4.Spring is the _ time to plant trees.(good)5.We are sure Hong Kong will be even _ tomorrow.(good)6.Which play of the two is _?(interest)7.My brother is two years _ than I.(old)8.Which is _,the blouse,the shirt or that one?(nice)()1.Most of the peo

8、ple in Guangdong are getting _.A.more and more rich B.more rich and more rich C.richer and richer D.richer and richest()2.Which is _,a bus,a car or a plane?A.the fastest B.most fast C.fast D.faster()3.Li Huas English is very good,and her French _ her English.A.is as good as B.isnt as good as C.is as

9、 well as D.is as better as()4.Whos _ in your class?A.strong B.stronger C.strongest D.the strongest()5.Jone looks so _ today because she has got an“A”in her math test.A.happy B.happily C.angry D.angrilyA()6.He draws _his uncle.A.as well as B.as good as C.as better as D.as best as()7.Jack is a little

10、_than Peter.A.strong B.stronger C.strongest D.the strongest()8.In Changchun,the air in Jing Yue Forest Park is much _than that in the center of the city.A.clear B.cleaner C.clean D.nice()9.Tokyo is larger than _ in Japan.A.any other city B.any city C.the other city 感谢您的阅读！为了便于学习和使用，本文档下载后内容可随意修改调整及打印，欢迎下载！