初中英语形容词比较级讲解(含具体练习).ppt

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1、备课人：备课人：杜波杜波1.Actions speak louder than words.事实胜于雄辩。2.It is easier said than done.说来容易做来难。 形容词：是修饰名词（人或事物），表示名形容词：是修饰名词（人或事物），表示名 词的性质，特征或属性一种词类。词的性质，特征或属性一种词类。 它在句中作定语、表语和宾语补足语。它在句中作定语、表语和宾语补足语。一、形容词的概念一、形容词的概念阁下莫非就是当年华山论剑武工独步天下罕有阁下莫非就是当年华山论剑武工独步天下罕有其匹号称一朵梨花压海棠的少林寺智障大师收其匹号称一朵梨花压海棠的少林寺智障大师收养的小沙弥低能的

2、爱犬旺财踩扁的蟑螂小强曾养的小沙弥低能的爱犬旺财踩扁的蟑螂小强曾滚过的一个粪球？滚过的一个粪球？形容词作定语一般放在被修饰形容词作定语一般放在被修饰 的的名词之前。名词之前。 如如: a new book, two big trees 等等。二、形容词的用法二、形容词的用法形容词放在系动词形容词放在系动词be 、look、 smell、feel、 sound、taste、get、keep、turn、become、seem、 grow、等、等之后。之后。如如:1.I am short. 2.She looks fine. 3.you shoud keep healthy如果如果形容词形容词修饰不

3、定代词修饰不定代词something, anything, everything, nothing等时，等时，要放在不定代要放在不定代词后面。词后面。如如:something interesting nothing new4. 如果形容词修饰enough时， 形容词要放在enough之前、如：old enough 三、形容词的级三、形容词的级形容词有三个等级：形容词有三个等级：（俗话说：人有三急）（俗话说：人有三急） 原级、比较级、最高级原级、比较级、最高级1.原级：即形容词的原形。原级：即形容词的原形。 small, good, pretty, big, many 程度副词程度副词very,

4、too,so,quite等修饰形容等修饰形容词的原级。词的原级。too.to , so.that adj.+enough to do 如：如：very tall、 too hot、 so cold quite interesting asas ,(与与一样）一样） not as（so)as （与（与不一样）中间用原级。不一样）中间用原级。The story is as interesting as that one.The question is not as / so difficult as that one.bigbiggerLook at the pictures and Look a

5、t the pictures and understand understand 看图并理解英语形容词的比较级定义. 英语句子中，将比较两个主体的方法叫”比较句型”。. 其中，像“A比B更”的表达方式称为比较级。 比较级的构成方式:1.单音节词的比较级多数在原形后加-er以“辅元辅”结构结尾，双写末尾字母加-er,eg. red redder以不发音的e结尾只加-r, eg. fine finer Remember2.多音节词在原形前加moreeg.原级比较级beautifulmore beautiful popularmore popular3.以辅音字母加y结尾的非多音节词，变y为i加-e

6、reg. lovely（可爱的） lovelier 3. 比较级不规则变化如下:原级比较级good, wellbetterbad, illworsemany/muchmorelittlelessfarfarther/further 考点1“A + be +形容词比较级 + than + B”，意思为“A比B 更”。 例如： This tree is taller than that one. The weather in Beijing is hotter than that in Heilongjiang. Abe_比较级比较级+thanB(2011年中考真题年中考真题)Nancy and

7、Lucy are twins. In some way they look the same, but Nancy is _ than Lucy.A. tall B. taller C. tallest (2002年中考真题年中考真题)The population of China is _ than any other country in the world.A. larger B. less C. smaller D. bigger 比较级必须在同类中进行，即人与人比，物比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别与物比，而且比较结构前后的词语要对称，

8、特别注意在注意在than之后不要漏掉可能出现的替代词之后不要漏掉可能出现的替代词 that ，those.The weather in Shanghai is better than that in ChongqingThe texts in Book3 are much easier than those in Book 4注意。 如果主语是物主代词如果主语是物主代词+名词，那么名词，那么后面要用名词性物主代词后面要用名词性物主代词 His shirt is more expensive than mine.在比较级前可使用much，a lot， far （更加，的多），even（更，更加）

9、， a little（有点）修饰,使原来的比较级在语意上更加明确。但very, quite不能修饰比较级。 Chickens are much smaller than cows. 鸡要比奶牛小得多鸡要比奶牛小得多 This movie is a little more interesting than that one. 这部电影比那部更有趣一些这部电影比那部更有趣一些 This will make our job even more difficult 这会使我们的工作变得更困难这会使我们的工作变得更困难Chickens are more smaller than cows.考点2“比较级

10、 + and + 比较级”或“more and more +原级”，表示“越来越” 。例如：It becomes warmer and warmer when spring comes. 春天来了，天气变得越来越暖和了。 It is getting cooler and cooler.天气越来越凉爽。 Our school is becoming more and more beautiful. 我们的学校变得越来越美丽 。考点3在含有or的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式。 例如：Who is taller, Tim or Tom? Tim还是Tom, 谁更高? W

11、hich one is _ , this one or that one? A. good B. bad C. bestD. worse考点4. “the +比较级, the+比较级”, 表示“越越”。 例如：The more we get, the happier we feel. The sooner，the better. The _, the better. A. much B. many C. more D. most 考点5. 表示两者中“较.”时，用“the+形容词比较级+of短语”来表达。He is the taller of the two.考点6. 当某一事物与其他事物作比

12、较时，被比较事物中不能包括本身。He is taller than any other student in his class.他比班上其他同学都高他比班上其他同学都高Shanghai is larger than any other city in ChinaShanghai is larger than any city in ChongqingShanghai is larger than any city in China(错)Look at the pictures and Look at the pictures and understand understand 看图并理解bi

13、gbiggerbiggest3.最高级：三个或三个以上的人或物之间最高级：三个或三个以上的人或物之间 的比较。的比较。 标志词：标志词：in+大范围大范围, of all, of +the+具体的数字具体的数字 The rabbit is the smallest of them.兔子是它们中最小的兔子是它们中最小的 The Great Wall of China is one of the greatest wonders in the world.中国长城是世界上最伟大的奇观之一中国长城是世界上最伟大的奇观之一I think roses are the most beautiful of

14、all the flowers我认为玫瑰花在所有的花中是最漂亮的我认为玫瑰花在所有的花中是最漂亮的单音节词通常是单音节词通常是-est结尾；多音节或部分双音节词通常在结尾；多音节或部分双音节词通常在之前加之前加most. 在形容词的最高级前必须加在形容词的最高级前必须加the;如如 ：smallest, tallest, newest, most interesting, 考点7. 比较级与最高级的结构可以转换，意思不变。The Changjiang River is the longest river in China.长江是中国最长的河流。The Changjiang River is l

15、onger than the other rivers in China.在中国，长江比其他河流都长。The Changjiang River is longer than any other river in China.在中国，长江比其他任何河流都长。1.The city is one of the most beautiful cities in the world.one of+ the+最高级最高级+复数名词复数名词 Which/Who+ 比较级，比较级，A or B? Which/Who+ 最高级，最高级，A ，B or C?2.Who is older, Jim or Tom ?

16、 Who is the tallest, Jim , Mike or Tom Which language is _ , English, French or Chinese?A. difficult B. more difficult C. the most difficultC7. Mary is the tallest of all the sisters in the family .在使用形容词最高级时，一定要把自己包括在使用形容词最高级时，一定要把自己包括 在比较的范围内。在比较的范围内。8.This is the third largest city in China . 当表示

17、当表示“第二，第三第二，第三”等意思时，经常在最高等意思时，经常在最高级的前面加级的前面加second, third,等词。等词。 9.Its our largest machine in our factory. 当最高级前有物主代词修饰时，其前不加当最高级前有物主代词修饰时，其前不加定冠词定冠词the. 练习：用所给形容词的适当形式填空。Her hair is _ (long) than mine.Who is _ (short), Tom or Jack?Lily is _ (quiet) than her sister.Tina, please come to school a lit

18、tle _ (early) next time.The _ (hard) you study, the _ (good) grades youll get.It becomes _ and _ (hot) when summer comes.longershorterquieterearlierharderbetterhotterhotter练习：单项选择。1. This one is too large. Can you show me a _one? A. larger B. large C. small D. smaller 2. Do you think March is _ than

19、 January? Yes, its _ warmer. A. better, a little B. well, much C. worse, very D. nicer, quite 3. Her bag is newer than _. A. mine B. my C. me D. I4. The weather in North China is colder than _ in South China. A. B. this C. the one D. that 5. Which one is _, this one or that one? A. good B. bad C. be

20、st D. better 6. I think your room is _ bigger. A. a lot B. a lot of C. lots of D. moreFollow 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 D. farest2、The Changjiang River is _ than any other river in China. A. shorter B. longer

21、 C. shortest D. longest3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as4、_ she is, _ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier5、The weather is getti

22、ng w_ a_ w_ .(越来越糟糕)CBBD Dorse nd orse 。 1.Which do you like _(well),apples or oranges?2.Who is _(old),Jim or Tom ?3.Jack is running _ and _(fast) .4.Our country is becoming _and _ (beautiful). 5.He is _(tall) of the the two boys. betterolderfasterfastermore more beatifulthe taller4.Find out the mistakes in the sentences below.1. All of us felt happily at her birthday party. 2. I am more older than Harry.3. Her coat is newer than you.4. The weather in Beijing is colder than in Xiamen.5. Sue is one of the tall girls in her class. happymuchyours. that tallest