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1、形容词、副词的比较级在使用形容词或者副词时，我们需要表达“更怎么样”时，就会用到形容词或副词的比较级。Liu Xiang is tall. Yao Ming is taller than LiuXiang.Yao MingLiu Xiang 形容词和副词的比较级形容词和副词的比较级（ The Comparative and Superlative degrees of Adjectives and Adverbs) 英语中有时需要对两者进行比较，这时就英语中有时需要对两者进行比较，这时就需用形容词或者副词的比较等级。需用形容词或者副词的比较等级。比较等级分为：比较等级分为： 原级原级 old
2、late 比较级比较级 older later 最高级最高级 oldest latest1.1. 形容词比较级和最高级的构成 ：单音节形容词、单音节形容词、副词的构成方法副词的构成方法原级原级比较级比较级最高级最高级一般在词尾加一般在词尾加-er 或或-est tall taller tallest以字母以字母e结尾的结尾的单词加单词加-r 或或-st nice fine nicer finer nicest finest 以以“辅音字母辅音字母+y”结尾的双音节词结尾的双音节词，先改为，先改为i,再加再加-er或或-estearly heavy earlier heavier eariest
3、 heaviest规则变化规则变化more carefullymorebeautifulthinnerbiggerhottermostcarefullymostbeautifulthinnestbiggesthottestcarefully beautiful多多音节词音节词或少数双音节词双音节词，在词前加more 或 mostthinbighot重读闭音节词尾只有一个辅音字母时，应先双写双写这个辅音字母，再加-er或-estSummer is hot.Summer is hot.Summer is _ than spring.Summer is _ than spring.Winter is
4、 cold.Winter is cold.Winter is _ than autumn.Winter is _ than autumn.Zen Zhiwei is short .Xiao xin is shorter than Zen Zhiwei .Zen ZhiweiXiao xinLiu Yifei is thin.Mike is thinner than Liu Yifei.Liu YifeiMikeJackJohnJack jumps high.John jumps higher.Li Yong is funny.Pan Changjiang is funnier than Li
5、Yong.Li YongPan Changjiang7:50They got up late this morning.He got up later than them/they.Q3： 通常在什么情况用形容词比较级？地球比月球大The earth is larger than the moon.1、两者之间的比较，句中有明显的标志词 than。数学和英语，哪个更容易？变式练习：这本书比那本书有趣。Which is easier, maths or English?2、Which/Who is + 比较级, A or B ?变式练习：周杰伦和张杰，谁更受欢迎？注意：注意：asas虽然用的是形
6、容词副词的原级，但虽然用的是形容词副词的原级，但是也有表达比较的意思，否定形式是也有表达比较的意思，否定形式not as/so asEg:He is as tall as me. 他跟我一般高。他跟我一般高。 He works as hard as Tom. 他跟他跟Tom一样刻苦。一样刻苦。Q4：有哪些特殊情况下也使用形容词的比较级？汤姆是这两个男孩中 较高的一个Tom is the taller of the two boys.1、 is the +比较级 + of the two.(两者中较）天变得越来越黑。变式练习：曙光学校是两所学校中较好的一所。Its getting darker
7、and darker.2、越来越比较级+ and + 比较级 “越来越” （单音节词和部分双音节词） 变式练习：他有越来越多的朋友。保山变得越来越美丽Baoshan is becoming more and more beautiful.2）More +and +more+原级 越来越” （多音节 词和部分 双音节词）你吃得越多，就变得越胖。变式练习：英语越来越重要。The more you eat, the fatter you will become.3、The + 比较级，the + 比较级 “越，就越”变式练习：你锻炼的越多就越健康。4.比较级形式用来表示最高级概念 than any
8、other+单数名词 比较级+ than the other +复数名词 （比其他任何一个都）Tom在他班上比其他任何一个男孩都高。Tom is taller than any other boy in his class.=Tom is taller than the other boys in his class =Tom is the tallest boy in his class.变式练习：这个教室比任何一个教室都大。5. much,a lot ,a bit ,a little ,even , far 等修饰比较级 Lucy比她姐姐胖的多。 Lucy is much heavier
9、than her sister.变式练习：她今天比我更高兴。课堂总结课堂总结 I 形容词的比较的基本构成形容词的比较的基本构成 单音节和单音节和 部分双音节词一般在词尾加部分双音节词一般在词尾加 er, 以字母以字母e 结尾的词结尾的词,加加 r, 重读闭音节词只有一个辅音字母时重读闭音节词只有一个辅音字母时,双写辅音字双写辅音字母母,加加 er, 以辅音字母加以辅音字母加“y”结尾的双音节词结尾的双音节词,先改先改“y”为为“i”再加再加er, 多音节和部分双音节词在词前加多音节和部分双音节词在词前加more II 形容词比较级的五个特殊变化形容词比较级的五个特殊变化 .good/wellb
10、etter bad/ill/badlyworse many/muchmore littleless farfartherIII 形容词的比较级基本运用形容词的比较级基本运用than用比较级用比较级Which/Who is + 比较级比较级, A or B ? IV 形容词比较级在特殊情况下的几个用法形容词比较级在特殊情况下的几个用法 is the +比较级比较级 + of the two.(两者两者中中较较）比较级比较级+ and + 比较级比较级 “越来越越来越”The + 比较级比较级the + 比较级比较级 “越越越越”比较级形式用来表示最高级概念比较级形式用来表示最高级概念than a
11、ny other+单数名词单数名词 比较级比较级+ than the other +复数名词复数名词 much, a lot ,a bit ,a little ,even ,far 等修饰等修饰比较级比较级一、写出下列形容词的比较级Shortillbiglateeasydelicious shorter目标检测worsebiggerlatereasiermore delicious1、His pencil is very more expensive than mine.2、Which is more useful of the two dictionaries?3、The careful y
12、ou are ,the few mistakes you will make.very改为muchmore useful改为the more usefulThe careful改为The more careful the few 改为the fewer 1. A horse is _ than a dog A. much heavy B. more heavier C. much heavier 2. Emma always makes a lot of mistakes . She is _ A. care B. careful C. carefully D. careless 3. Whi
13、ch subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting D. the most interesting CDC4. In our city its _ in July ,but it is even _ in August A.hotter hottest B. hot hot C. hotter hot D. hot hotter5.The bread is _ than these cakes A、Very delicious B. much delici
14、ous C. more delicious D. as delicious6. _ you work , _your future wil be . A.Harder ; better B.The more hardly ; the more beautiful C.The more hard ;the better D.The harder ;the brighterDcD 7. This book is more interesting than _ A. anything B. any books C. any other books D. any other book 8.Everyo
15、ne knows China is getting_ A. strong and strong B. stronger and stronger C. more strong and strong D.strongest and strongest 9 In order to keep healthy, you should eat _fast food, _fresh vegetables and take enough exercise. Afewer, fewer B. less, more C. fewer, more D.less, less DBB additional expressions