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1、Comparative and superlative by JiangxueTeaching aims：1 掌握形容词比较级和最高级的构成规则 2 掌握形容词比较级和最高级的基本用法Teaching difficulties 掌握形容词比较级和最高级的构成方法及用法Teaching steps：Step one :比较级和最高级的规则变化表 构 成 法原 级比较级最高级1.单音节词末加-er和-estgreatgreatergreatest2.单音节词以-e结尾,只加-r和-stbravefinebraverfinerbravestfinest3.闭音节单音节词如末尾只有一个辅音字母,须先双
2、写这个辅音字母,再加-er和-estbig hotbiggerhotterbiggesthottest4.以辅音字母加y,则变y为i,再加-er和-esthappyhappierhappiest5.双音节和多音节词在前面加more和mostdifficultmore difficultmost diffcult规则词语变化口诀：形容词有比较级，一般词尾加er； 结尾若有哑音e，直接加r就可以； 辅元音，闭音节，最后字母要双写； 辅音字母叫上y，去y变i加er； 单词若是多音节，前面再来加上more.不规则变化表:good/wellbetterbestbad/badly/illworsewors
3、tmany/muchmoremostLittle（少）/fewlesslestfarfarther（更远）/further（表程度）farthest/furthestoldolder(新旧或年龄)/elder（长幼关系）oldest/eldest不规则口诀：合二为一共三对；坏，病，两多并两好；一分为二有两个；一是“远来”，二是“老”; 有一词含双义，只记“少”来不记“小”。 Step two : 比较级的基本用法及常用的句型结构:（1） 含义：两个人或事物之间的比较（2） 标志词：than 可以修饰比较级的副词：much a lot far (得多) a little a bit (一点) e
4、ven（甚至） rather（更） eg ：Lesson one is much easier than Lesson two. Tom looks a little younger than before.常用句型：1. A + 谓语+ 形容词比较级+ than + B 表示“A比B”Eg:Tom is taller than Kate. 汤姆比凯特高。 I get up earlier than my mother every morning.我每天早晨起床比我妈妈还早。2. A +谓语+ 形容词比较级+ than +any other+单数名词 表示“A比其他任何一个都”（甲最）Eg:
5、The Yangtze River is longer than any other river in China.The Yangtze River is the longest river in China.3.”比较级+and+比较级”（more and more）表示“越来越” Eg: He is getting taller and taller.The story became more and more interesting.(注意：多音节形容词或副词表示越来越用：more and more +adj/adv原级)4.“the +比较级，the +比较级”表示“越,越” Eg:
6、The more, the better.The more we get, the happier we will be.最高级的基本用法及常用句型：（1） 用法：三者或者三者以上的人或者事物的比较。（2） 标志词in +短语（在之中） of +短语（在当中）1. 主语+the+最高级+in/of短语 表示“是中最的” Eg :Tom is the tallest in his class/of all the students. This apple is the biggest of the five. I jump the farthest in my class.2.”主语+be+on
7、e of the +形容词最高级+复数名词”，表示“是中最之一” Eg: Beijing is one of the largest cities in China.原级比较（1） 用法：两者就同一事物进行比较。（2） 句型结构：肯定句 as+形容词原级+as 表示“与一样” 否定句 not so/as+形容词原级+as 表示“不如”Eg: She is as tall as her sister. He runs not so fast as his classmates.翻译句子1. 这本书跟那本书一样有趣。This book is _ _ _ that one.2. 你游泳没有你弟弟好。
8、You can not swim _ _ _your brother.3. 她的身体状况一天天好起来。She is getting _ _ _ ever day.4. 他对英语越来越感兴趣。He is becoming _ _ _ _ _ English.写出下列形容词的比较急和最高级Nice _ late _ _ large _ _-Much_ _ little_ _ bad _ _Hot _ _ thin _ _ big _ _Early_ _ happy_ easy _ _Careful _ _ exciting _ _单项选择1. She is_ than _ .A. busier /
9、us B. busier / we C. more busy/ us D. more busy / we2. Jane is_ than Betty.A. less taller B. less tallest C. less tall D. not as tall3. China is_ country in the world.A. the third largest B. the largest third C. the third large D. a third largest4、 -Which is _ season in Beijing? -I think its autumn.
10、A.good B.better C.best D.the best5、 - Which is_ , the sun, the moon or the earth?- Of course, themoon is.A.small B.smaller C.smallest D.the smallest6.The air inBeijing is getting much _ now than a few years ago.A.clean B. cleaner C.cleanest D. the cleanest7. Mobilephones are very popular now and they are _ than before. A.cheap B. cheaper C.cheapest D. the cheapest8I study English as_as mybrother. A.hard B. harder C. hardest9. Which is_ , a bicycle or a computer?A.expensive B.more expensive C.the most expensive10. TheYellow River is one of _rivers in China.A long B longer C the longest
