八上Unit4SectionA-2(教育精品).ppt

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1、Unit 4Section APeriod 2(3a-3c)写出下列单词的比较级写出下列单词的比较级 1.tall _ 2.quiet _ 3.funny _ 4.heavy_5.thin_ 6.big _7.outgoing _ 8.wild _ 9.little _ 10.well _11.bad _ 12.many _ tallerquieterfunnierheavierthinnerbiggermore outgoingwilderlessbetterworsemuch形容词比较级一般用在比较形容词比较级一般用在比较两个人或事物两个人或事物的时候。的时候。形容词形容词最高级最高级表示

2、三者或三者以表示三者或三者以上（人或物）的比较上（人或物）的比较,其中有一个超过其他其中有一个超过其他几个。几个。形容词最高级前要加形容词最高级前要加the，后面通常带，后面通常带of(in)短语来说明比较的范围短语来说明比较的范围(of 后的名词或后的名词或代词表示与主语属同一类；代词表示与主语属同一类；in 表示时间或表示时间或空间范围空间范围)。他他在我们班上他最高。在我们班上他最高。He is _(tall)_ our class.玛丽是这三个学生中最小的。玛丽是这三个学生中最小的。Mary is _(young)_ the three students.the tallestinth

3、e youngestof构成规律：构成规律：单音节词单音节词和部分双和部分双音节词音节词一般加一般加 est，如：如：strongstrongest，fastfastest以以不发音的不发音的e结尾结尾，加加-stnicenicest,large-largest以辅音加以辅音加y结尾结尾,改改y为为i,加加-esthappy happiest辅音字母结尾的重读闭音节词，辅音字母结尾的重读闭音节词，双写末尾的辅音字母，加双写末尾的辅音字母，加-estthin thinnest多音节词，多音节词，和部分双音节词，和部分双音节词，在词的前面加在词的前面加mostoutgoing most outgo

4、ing规则变化规则变化常用的不规则形容词比较级和最高级变化形式常用的不规则形容词比较级和最高级变化形式 原级原级比较级比较级最高级最高级good/wellbetterbestmany/muchmoremostbad/ill/badlyworseworstoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthest最高级规则变化口诀最高级规则变化口诀 最高级，很容易，一般词尾加最高级，很容易，一般词尾加est。(cheap-the cheapest)词尾若有哑音词尾若有哑音e,直接就加直接就加st。(close-the closes

5、t)重读闭音节，重读闭音节，单辅音字母要双写。单辅音字母要双写。(big-the biggest)辅音字母若加辅音字母若加y,记得把记得把y变为变为i。(friendly-the friendliest)多音节，考考你，多音节，考考你，the most到底加哪里？到底加哪里？(popular-the most popular)形容词的原形、比较级和最高级形容词的原形、比较级和最高级原级原级比较级比较级最高级最高级bigbiggerbiggestcheapcheapercheapestnewnewernewestclosecloserclosestexpensivemore expensivem

6、ost expensivepopularmore popularmost popularcomfortablemore comfortablemost comfortableinterestingmore interestingmost interesting形容词的最高级常用形容词的最高级常用“the+最高级最高级+比较范围比较范围”结构结构,比较范围为短语或从句。比较范围为短语或从句。She is the tallest one in her class.她是班里最高的一个。她是班里最高的一个。The dog is the best present that I have ever rec

7、eived.这只狗是我收到过的最好的礼物。这只狗是我收到过的最好的礼物。形容词最高级前通常必须用定冠词形容词最高级前通常必须用定冠词 the。例。例如：如：The Sahara is the biggest desert in the world.撒哈拉沙漠是世界上最大的沙漠。撒哈拉沙漠是世界上最大的沙漠。形容词形容词most前面没有前面没有the，在句中不表示，在句中不表示最高级的含义，只表示最高级的含义，只表示“非常非常”。例如：。例如：It is a most important problem.=It is a very important problem.这是个很重要的问题。这是个很

8、重要的问题。副词的最高级的用法副词的最高级的用法1.最高级用于三者或三者以上的比较，副词最高级用于三者或三者以上的比较，副词最高级前定冠词最高级前定冠词the 可以省略，后面可以带可以省略，后面可以带of(in)短语来说明比较的范围。短语来说明比较的范围。句型为：句型为：“A+动词动词+(the)+副词最高级副词最高级+of(in)”。例如：例如：She runs fastest of the three.她是三人中跑得最快的。她是三人中跑得最快的。She works(the)hardest in her class.她是她们班上学习最用功的。她是她们班上学习最用功的。2.Which(who)

9、+动词动词+(the)+副词最高级副词最高级,A,B or C?表示三个或三个以上的人或事表示三个或三个以上的人或事物中物中“哪一个最哪一个最”。例如：。例如：Which runs fastest,a car,a train or a plane?汽车，火车和飞机，哪一样跑得最快？汽车，火车和飞机，哪一样跑得最快？下列词下列词或短语可修饰最高级：或短语可修饰最高级：by far,far,much,mostly,almost。例如：。例如：This hat is nearly/almost the biggest.这帽子差不多是最大的了。这帽子差不多是最大的了。注意：注意：a.very可修饰最高

10、级，但位置与可修饰最高级，但位置与much不同不同This is the very best.=This is much the best.b.序数词通常只修饰最高级。例如：序数词通常只修饰最高级。例如：Africa is the second largest continent.非洲是第二大洲。非洲是第二大洲。最高级的意义有时可以用比较级表示出来。最高级的意义有时可以用比较级表示出来。例如：例如：Mike is the most intelligent in his class.马克是班上最聪明的。马克是班上最聪明的。=Mike is more intelligent than any ot

11、her students in his class.形容词形容词/副词副词比较级的特殊用法比较级的特殊用法和和 more 有关的词组有关的词组1）the morethe more越越就越就越 The harder you work,the greater progress youll make.越努力，进步越大。越努力，进步越大。2）more B than A=less A than B 与其说与其说A不如说不如说B He is more lazy than slow at his work.=He is less slow than lazy at his work.他工作时他工作时,与其说

12、是反应慢不如说是懒。与其说是反应慢不如说是懒。3）no more than 与与一样一样，不比不比多多The officials could see no more than the Emperor.官员们看到的和皇帝一样多。官员们看到的和皇帝一样多。no less than与与一样一样He is no less diligent than you.他和你一样勤勉。他和你一样勤勉。4）more than 不只是，非常不只是，非常 She is more than kind to us all.她对我们非常热心。她对我们非常热心。和和 less 有关的词组有关的词组5)less than 不到不

13、到 不太：不太：In less than a week,the MS was ready.不到一周稿子就准备好了。不到一周稿子就准备好了。6）no less than 多达多达 不少于不少于He won no less than$5oo.他赢了不少于他赢了不少于500美美元元。No less than 2 million people came.至少来了至少来了2百万人。百万人。3aFill in the blanks with the correct forms of the words in brackets.1.We went to the _(bad)restaurant in tow

14、n last night.The menu had only 10 dishes and the service was not good at all!2.Blue Moon is _(good),but Millers is _(good)in town.3.The Big Screen is _(expensive)than most cinemas,but Cinema City is _(expensive).worstgoodthe bestmore expensivethe most expensive4.Movie City has the _(had)service,but

15、we can sit the _(comfortably)there.5.Johnny Depp acted the _(good)in that movie.Hes much _(good)than others at finding the _(interesting)roles.worstmost comfortablybetterbestmost interesting1.It has the_ clothing store in the town.A.goodest B.gooddest C.best D.better2.This clothing store is _ than t

16、hat one.A.bad B.worse C.the worst D.worst3.This book is _ of all.A.cheapest B.cheap C.cheaper D.the cheapestChoose the best answer.CBD4.This is one of _ films of this year.A.more exciting B.exciting C.the most exciting D.most exciting.5.This watch is _ than that one.A.much expensive B.expensiver C.m

17、ore expensiver D.more expensiveCD3bThink of three stores that sell similar things in your town and fill in the chart.Then write six sentences using the information in the chart.Service best:worst:Quality best:worst:Pricescheapest:most expensive:3cFill in the chart.Then talk in your group and choose

18、the best one.RestaurantsDannysHow much is a meal?How far is it from your home?10 minutes by busIs the service good?Is the food good?Dannys is the best one because its the closest.A model conversationA:I think Jean west World has the best quality.B:I think Blue Moon House has the worst service.A:I th

19、ink Tian Long has the friendliest service.B:I think Meet All has the best quality things.A:Nanfang Restaurant is the cheapest.Lets go there.B:No,its food is not very nice.I think we should go to Huguang Hotel.C:OK.And it has the best music.D:And its only ten minutes on foot.Discuss these questions.1

20、.Which has the best service?2.Which has the best quality?3.Which is the cheapest?4.Which has the worst service?5.Which has the worst quality?6.Which is the most expensive?How do you think of your city?Which is the best movie theater?Which is the best clothing store?Whats the best clothing store in B

21、eijing?Wangfujing Shopping Centre.The things there are of good quality and not very expensive.【2012 湖北黄石湖北黄石】34.The _ you work at your lessons,the _ results you will get.A.hard;good B.harder;good C.hard;better D.harder;better【2012广西玉林广西玉林】33.-Peter is _ than you,right?-Yes,but he is _ runner in our

22、class.A.heavier;best B.heavy;the best C.heavier;the best D.heavy;better DC【2012天津天津】36.Who listens _,Tom,Jack or Bill?A.the most carefully B.more carefully C.the most careful D.more careful【答案答案】A【2012黔西南黔西南】13.-Which city has _ population,Beijing,Guiyang or Xingyi?-Xingyi,of course.A.the largest B.

23、the smallest C.the most D.the least【解析解析】B。考查形容词的最高级和对人口。考查形容词的最高级和对人口的修饰词。修饰人口数量的形容词可以用的修饰词。修饰人口数量的形容词可以用large或者或者small，而，而more或或less 常用来修饰常用来修饰water，这是习惯用法。兴义的人口肯定没有，这是习惯用法。兴义的人口肯定没有北京和贵阳的多，因此答案选北京和贵阳的多，因此答案选B。【2012福建福州福建福州】36.Shu-How Lin is now one of _ basketball players in the NBA.A.popular B.m

24、ore popular C.the most popular【解析解析】选选C。考查形容词最高级的用法。由考查形容词最高级的用法。由句尾句尾“in the NBA”可知这里的比较限制了范可知这里的比较限制了范围，所以考虑用形容词的最高级形式，围，所以考虑用形容词的最高级形式，one of+形容词最高级形容词最高级+名词复数表示名词复数表示“最最之一之一”。句意为。句意为“林书豪现在是林书豪现在是NBA最受欢迎的队最受欢迎的队员之一员之一”。故选。故选C。【2013黄石黄石】27.I am good at math,but his English is _ than mine.A.much be

25、tter B.more better C.very better D.pretty better【解析解析】在比较级前常用在比较级前常用 much.得多得多,even 甚至甚至,still 更更,a little 一点一点,a bit 有点等有点等修饰形容词修饰形容词,表示表示“程度进一步加深程度进一步加深”。very,so,too,quite,rather,pretty等程度副词等程度副词,一般只能修饰形容词的原级一般只能修饰形容词的原级,不能修饰比较级不能修饰比较级形式。形式。more是比较级不能用来修饰比较级。是比较级不能用来修饰比较级。故本题只能选故本题只能选A,我擅长数学我擅长数学,

26、但是他的英语比但是他的英语比我的好得多。我的好得多。【2013杭州杭州】Its much _ to have a small lovely room than a big cold one.A.goodB.well C.betterD.best【2013十堰十堰】37.Many boy students think math is _ English.I agree.Im weak in English.A.much difficult than B.so difficult as C.less difficult than D.more difficult than【2013襄阳襄阳】35.-Who ran _ of all in the sports meeting?-Hector did,I think.A.fast B.faster C.the fastest D.most fast【2013重庆重庆】39.You look tired these days.I think you need a _ sleep.A.shorterB.shortestC.better D.best