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1、形容词的比较级,教学目标： 1.初步认识形容词和副词； 2.会变化形容词和副词的比较级； 3.会简单运用形容词和副词的比较级。,形容词：作定语或表语： a beautiful girl a wonderful story The book is interesting. 副词：修饰动词 work hard play basketball well rain heavily,大多数形容词和副词有三个等级： 原级（原形）：tall outgoing 比较级 : taller more outgoing 最高级 : tallest most outgoing,原级用法： pretty / so /
2、really / too/ quite / very 后 + 形容词原形 Eg. My parents are really (health). The boy is so (friend) .,healthy,friendly,2. 同级比较 ： 当A与B在某一程度上一样 时，用同级比较 。（A与B在某方面一样） Eg. (1) 她像她妈妈一样高。 She is as tall as her mother . （2）Tom像Tim一样努力学习。 Tom studies as hard as Tim. 肯定结构：as + 形容词/副词原级 + as A + be动词 + as+ 形容词的原级+
3、 as + B. A + 行为动词 + as+ 副词的原级+ as + B.,2. 同级比较 ： 当A与B在某一程度上不一样时，用同级比较 。（A在某方面不如B） Eg. (1) 我不如姐姐外向。 Im not as outgoing as my sister . （2）他不如Tim跑得快。 He doesnt run so fast as Tim. 否定结构：not as / so + 原级 + as A + be动词 + not+ as/so+ 形容词的原级+ as + B. A + dont / doesnt +动词原形 + as/so+ 副词的原级+ as + B.,1.The roo
4、m is as as that one. (大的) 2. English isnt so as Chinese. (容易的) 3. The people here were very . (勤劳的) 4. Lily didnt come as as Lucy.(早的) 5. She does homework as as me. (careful),big,easy,hard-working,early,carefully,形容词和副词的比较级： 表示两者人或事物之间的比较。 结构： 形容词或副词的比较级 + than 翻译：A比B 较.；更 1.Tom is tall . Mike is t
5、aller than Tom . 2. My hair is long . Lisas hair is longer than mine. 3. I run fast . Nick runs faster than I / me.,形容词的比较级 1.单音节词在词尾加-er构成比较级 tall taller young-younger long-longer short shorter,2.以字母e 结尾的词只加-r构成比较级。 nice -nicer fine -finer white -whiter late-later 3.重读闭音节以一个辅音字母结尾的，应先双写辅音字母，再加-er.
6、bigbigger thinthinner fatfatter hot-hotter,4.以辅音字母加-y 结尾的词，先把-y变为 I， 再加-er. easy-easier funnyfunnier early-earlier 5.双音节的词和部分双音节词，在词前加more beautifulmore beautiful interestingmore interesting,6.不规则变化 good/wellbetter bad/badly/illworse many/muchmore littleless farfarther -further oldolder -elder,Long
7、wide _ fat _ heavy slow _ few_ brightly _far _ quickly _ happy_ unhappy _good_ bad _ well _ little _ badly _ill _ much _ many _ tall_ short_,longer,wider,fatter,heavier,slower,fewer,more brightly,farther/further,more quickly,happier,unhappier,better,worse,better,worse,worse,less,more,more,taller,sho
8、rter,形容词比较级用于两者（人或事物）之间 的比较，表示其中一个比另一个“更”或 “较”，后面用连词than连接另一个所比 较得人或事物。在上下文明确的情况下，形 行容词比较级也可单独使用。 例如： 1.That ruler is longer than this one. 那把尺子比这把尺子更长。 2.Mary is younger than me( I) Mary比我更年轻,人与人比，物与物比,Height: 2.26 m,Height: 1.60 m,tall,short,Yao Ming is taller than Pan changjiang.,Pan Changjiang i
9、s shorter than Yao Ming.,heavy,thin,Liu Huan is heavier than Mr Gong.,Mr Gong is thinner than Liu Huan.,1.The black dog is _ (thin) than the white dog. 2. This balloon is _ (big) than yours. 3. My bag is _ (heavy) than yours. 4. John is _ (strong) than Mike. 5. I am _ (short) than Lucy. 6.Your bag i
10、s _(beautiful) than mine. 7.Tom is _ (funny) than Jim. 8.She is _(outgoing) than me,thinner,bigger,heavier,stronger,shorter,more beautiful,funnier,more outgoing,1. A比B更， 比较级+than You are shorter than Tom. 2. 两者中较的：the+比较级+of the two。 He is the fatter of the two. 3. 越来越：比较级+and+比较级 The earth is getti
11、ng warmer and warmer. 4. 越,就越: the+比较级(主谓),the+比较级(主谓) The more we get together, the happier well be.,形容词比较级的用法,5. 两者间进行选择，“哪一个更”： Which/Who is +比较级，A or B? Which is more popular, cola or ice cream? 6. 比较级前可用程度副词修饰。 两多(much, a lot) 两少(a little, a bit) 两甚至(even, still) 还有一个远(far)去了 I cant reach my ha
12、t in that tree, who can help me? I can. Because Im much taller than you.,Follow ups(随堂练习),1、-Mr. Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. father C. farthest 2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. shortest D. long
13、est 3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as 4、_ she is, _ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D. The busier, the happier 5、The weather is getting w_ a_ w_ .(越来越糟糕),orse,nd,orse,
