人教版九年级全册《英语》复习之比较级最高级ppt课件.ppt

1、专题六专题六 adjective and adverbadjective and adverb（形容词和副词）（形容词和副词）中考英语语法专题本专题内容适用于79年级学生本专题一般共需4课时第三课时 形容词、副词比较级和最高级 一、比较级、最高级变化规则 二、原级、比较级、最高级的用法 三、巩固练习一、一、形容词、副词形容词、副词比较级、最高级变化规则一般在词尾直接加er或est eg:talltallertallest，longlongerlongest fast fasterfastest,hard harderhardest 以不发音的字母e结尾的单词,在词尾直接加r或steg:nice

2、nicernicest late laterlatest 以“辅音字母+y”结尾的词，把y变为i，再加er或est eg:heavyheavierheaviest happy happierhappiest .重读闭音节（1.后三个字母是辅+元+辅音，2.最后音节重读）双写末尾辅音字母,再加er或est。eg:bigbigger-biggest (fat,hot,wet,thin).多音节词和部分双音节词分别在原级前加more构成 比较级和most构成最高级 eg:slowlymore slowly most slowly；beautifulmore beautifulmost beautif

3、ul不规则变化“好坏老远多少”good/well betterbest bad/badly/ill worseworstold older/elder oldest/eldest far farther/further farthest/furthestmuch/many moremostlittle lessleast Quiz 即学即练：写出下列形容词与副词的比较级与最高级形式：long_ _ wide _ _ fat _ _ early_ _ slow _ _ few_ _ brightly_ _ bad _ _ far_ _ quickly _ _ happy_ _ well_ _Qu

4、iz 即学即练：写出下列形容词与副词的比较级与最高级形式：long longer longest wide wider widest fat fatter fattestearly earlier earliest slow slower slowest few fewer fewestbrightly more brightly most brightly bad worse worst far farther/further farthest/furthestquickly more quickly most quickly happy happier happiest well bett

5、er best1.原级的基本用法及常用句型结构（1）用法：两者就同一事物进行比较。）用法：两者就同一事物进行比较。肯定句：肯定句：as+形容词原形+as 表示：与.一样（2）句型结构）句型结构 否定句：否定句：not so/as+形容词原形as 表示：.不如.eg:She is as tall as her sister.她和她姐姐一样高。He runs not so/as fast as his classmates.他跑得不如他的同学们快。（3）当）当as as中间有名词时中间有名词时,采用以下格式采用以下格式 as+adj.+a/an+可数名词单数+as as much+不可数名词+as

6、，as many+可数名词复数as和一样多的某物 He is as good an example as his brother.Bob read as _ books as Mary.There is as _ water in this bottle as in that bottle.二、原级、比较级、最高级的用法（4）用表示倍数的词或其他程度副词做修饰语时，放在as的前面。This room is twice as big as that one.你的房间是那个房间的两倍大。Your room is the same size as mine.你的房间和我的房间一样大。（5）倍数+as

7、+adj.+as 倍数+then+of This bridge is three times as long as that one.This bridge is three times the length of that one.这座桥是那座桥的三倍长。Your room is twice as large as mine.Your room is twice the size of mine.你房间是我房间的两倍大。（6）修饰形容词原级的副词有：）修饰形容词原级的副词有：very,too,quite,so（如此，这样）等等（如此，这样）等等 He is a very smart boy

8、but he is too lazy.他是一个很机灵的男孩，但是他太懒了。典型例题【2019 贵州黔南州、黔西南、黔东南】Does the dish taste as as it looks？Awell Bbest Cgood Dbetter 【答案】C。【解析】该题考查的是形容词和副词的用法区别以及as.as用法。因为taste尝起来后接形容词，as.as中间接形容词副词原级，所以只能选C。2.2.比较级的基本用法及常用句型结构（1）含义：两个人或事物之间的比较含义：两个人或事物之间的比较（2）标志词：标志词：than（比（比）可以修饰比较级的副词：可以修饰比较级的副词：much（得多）a

9、little(一点儿)a lot （得多）a bit (一点儿)far （得多）even (甚至)still （仍然）rather(更)eg:Lesson One is much easier than Lesson Two.第一课比第二课容易得多。Tom looks a little younger than before.汤姆比以前年轻一点。She drives still more carefully than her husband.她开车仍然比她丈夫还认真。比较级常用的句型结构比较级常用的句型结构 考点考点1.“A+比较级+than+B”表示:“A比B”eg:Tom is talle

10、r 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。考点考点2.“A+比较级比较级+than+any other+单数名词单数名词”，表示：“A比其他任何一个都”，（含义是:同一范 围内比较，甲最”。）eg:The Yangtze River is longer than any other river in China.=The Yangtze River is the longest river in China.长江是中国最长的河流。【注意：The Yangtze River is

11、longer than any river in Japan.长江比日本的任何一条河都长。】考点考点3.“比较级+and+比较级”,表示:“越来越”。eg:He is getting taller and taller.他变得越来越高了。The flowers are more and more beautiful.花儿越来越漂亮 He does his homework more and more carefully.他做作业越来越认真了。【多音节形容词或副词表示“越来越”用：more and more+adj/adv 原级原级】考点考点4.“the+比较级，the+比较级”,表示:“越，越

12、”。eg:The more careful you are，the fewer mistakes youll make.你越认真，犯的错误越少。考点考点5.“特殊疑问词+比较级，A or B？”eg:Which is bigger，the earth or the moon？哪一个大，地球还是月球？Who draws better，Jenny or Danny？谁画得比较好，詹妮还是丹尼？典型例题1.（2021云南昆明市）Its unbelievable that mountains can grow.According to a recent survey,Qomolangma has ri

13、sen _ than before.Alow Blower Chigh Dhigher答案 D。该题考查的是形容词比较等级的用法。因为是现在和以前进行比较，所以要用比较级，根据句意珠穆朗玛峰比以前更高了所以选D。2.（2021江西）Are you going to the airport by bus?Id rather take a taxi.Its _.Aquicker Bcheaper Cthe quickest Dthe cheapest 答案：A。该题考查的是形容词的比较等级。根据句意：你打算坐公交去机场吗？我宁愿坐出租车，更快。所以选A。3.最高级的基本用法及常用句型结构（1）用法

14、：三者或三者以上的人或事物之间的比较。）用法：三者或三者以上的人或事物之间的比较。in+短语短语（在在之中）之中）（2）标志词：标志词：of+短语短语 （在在当中）当中）考点考点.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.汤姆是他们班上/所有学生当中最高的。This apple is the biggest of the five.这个苹果是五个当中最大的。I jump(the)farthest in my class.我是我们班跳得最远的。【注：形容词的最高级前通常

15、加定冠词the,副词的最高级前定冠词the 通常 可以省略】考点考点“主语+be+one of the+形容词最高级形容词最高级+复数名词复数名词，表示：“是中最之一”。eg:Beijing is one of the largest cities in China.北京是中国最大城市之一。考点考点.“特殊疑问词+the+最高级+甲，乙，or丙？”用于三者及以上的比较。eg:Which country is the largest，China，Brazil or Canada？哪一个国家最大，中国，巴西还是加拿大？Which season do you like(the)best，spring

16、，summer or autumn？你最喜欢哪一个季节，春天，夏天还是秋天？1.用所给词的正确形式填空：Jim is as _(tall)as his friend Tom.My sister is two years _(old)than I.Johns parents have four daughters,and she is the _(young)child.She will be much _(happy)in her mew house.Dick sings _(well),she sings _(well)than John,but Mary sings_(well)in he

17、r class.三、巩固练习1.用所给词的正确形式填空：Jim is as tall(tall)as his friend Tom.My sister is two years older(old)than I.Johns parents have four daughters,and she is the youngest(young)child.She will be much happier(happy)in her mew house.Dick sings well (good),she sings better(well)than John,but Mary sings best(w

18、ell)in her class.三、巩固练习2.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。You cant swim _ _ _ your brother.3 今天比昨天冷的多。It is _ _ today_ it was yesterday.4 他比班上同学都高。He is _ than _ _ student in his class.他对英语越来越感兴趣。He is becoming _ _ _ _ _ English.6.泰山是中国第一高山。Mount Tai is _ _ _ mountain in Ch

19、ina.2.翻译句子：1 这本书跟那本书一样有趣。This book is as interesting as that one.2 你游泳没有你弟弟好。You cant swim as well as your brother.3 今天比昨天冷的多。It is much colder today than it was yesterday.4 他比班上同学都高。He is taller than any other student in his class.他对英语越来越感兴趣。He is becoming more and more interested in English.6.泰山是中

20、国第一高山。Mount Tai is the first highest mountain in China.中考真题中考真题1.（2021四川成都市）With the help of 5G technology,the apps on the smart phone can provide _ functions for the users than before.Amany Bmore Cmost2.（2021重庆）High-speed trains are much _ than traditional ones.Afast Bfaster Cslow Dslower3.（2021重庆）

21、Protecting ourselves is one of _ things we must do.Aimportant Bmore important Cmost important Dthe most important4.(2019 海南省)Shanghai has a _ population than that in many other citiesAlarge Blarger Clargest5.(2019 湖南省邵阳市)Shaoyang has changed a lot in the past few yearsYes It is getting_Aclean Bclean

22、er CcleanestBBDBB6.【2019四川省达州市】Malings Chinese isnt so _ as WangmingsI know them very much，But now Maling studies _ than Wangming doesAgood；harder Bgood；hard Cbetter；harder Dbetter；better7.【2019四川省广元市】Taking a subway in Chengdu is much _than taking a taxi.A.cheap B.cheaper C.cheapest8.【2019四川省遂宁市】Sh

23、anghai is one of _ in the worldAthe biggest cities Bbiggest cities Cthe biggest city Dbigger cities9.【2019福建省中考】You are singing to the plants！Thats true.I believe it helps them grow _.A.slower B.better C.harder10.【2019湖北省黄冈市】Mike plays the drums so wonderfully！Of course.He is than any other students

24、 in his class.A.talented B.more talented C.less talented D.the most talentedABABB1.形容词、副词的级原级：两者就同一事物进行比较。两者就同一事物进行比较。比较级：两个人或事物之间的比较最高级：三者或三者以上的人或事物之间的比较。三者或三者以上的人或事物之间的比较。课时总结1)规则变化五字真言：直、去、双、改、特五字真言：直、去、双、改、特真言真言解释解释举例举例直直接加 er、estshort-shorter-shortest去去e加 er、estwisewiser-wisest双双写再加er、esthot-hotter-hottest改改y为i再加er、estbusy-busier-busiest特加more、mostimportant-more important-most important2.比较级、最高级变化规则 原级 比较级 最高级 good/well better bestbad/badly/ill worse worst little less least many/much more most far farther/furtherfarthest/furthest old older/elderoldest/eldest2)不规则变化