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1、形容词、副词的比较级和最高级,Aims and demands,1.How to form the comparative and superlative degrees of adjectives and adverbs.(怎样构成形容词和副词的比较级和最高级）2.How to use the comparative and superlative degrees of adjectives and adverbs.3.How to improve our abilities of using English.,How to form them.,单音节词，少数双音节形容词和副词的比较级和最
2、高级的规则变化原级 比较级 最高级,tall-taller-tallest longlongerlongestshortshortershortest1:单音节词，少数双音节词在词尾加er构成比较级，加est构 成最高级。,nice-nicer-nicest large larger-largest cutecutercutest2:以不发音的e结尾的词,直接在词的后面加 r构成比较级,加 st构成最高级.,hot hotter-hottest bigbiggerbiggest fatfatterfattest3:重读闭音节词,如末尾只有一个辅音字母应先双写这个辅音字母,再加er构成比较级，加
3、est构成最高级。,easy-easier easiest heavyheavierheaviest happyhappierhappiest 4:以辅音字母+y结尾的词,先变y为i再加er构成比较级，加est构成最高级。,5：双音节词,多音节词在词前加 more/less构成比较级，加most/least构成最高级。,双音节词,多音节形容词和副词的比较级和最高级的规则变化.quicklymore/less quicklymost/least quicklyheavilymore/less heavilymost/least heavilyfantasticmore/less fantasti
4、cmost/least fantastic,注：clever,lovely,friendly等用-er 和-est或more和most皆可。,形容词/副词比较级和最高级的不规则变化,good/well better-best bad/badly/ill worse-worst many/much more-most little less-least far farther（距离）/further（意义）-farthest/furthest old older（旧）/elder（年龄）-oldest/eldest,巧记口诀：,好与坏，多与少，相差不是很远。还有一个老旧两种变法意义不同,How
5、to use them.形容词，副词比较级和最高级的基本用法,1.同级相比（肯定），与一样：用“asas”Lin Tao is as clever as Jim.（否定）与不一样：用“not as(so)as”Ann does not do as carefully as Jane.（同义句）Jane does _ _ than Ann.Ann does _ _ than Jane.2.两者相比用“比较级”This cake is _ than that one.(small)Which is _,the sun or the moon?(big),less,carefully,more,ca
6、refully,smaller,bigger,3.三者或三者以上相比，用最高级，形容词最高级前加the,副词最高级形式句中 the 可以省略。The Yangtze River is the longest river in China.（同义句）The Yangtze River is_ than _ _ river in China.The Yangtze River is_ than _ _ rivers in China.,longer,any other,longer,the other,How to perfect them.,形容词,副词比较级和最高级的特殊用法.,“比较级连用”
7、,表示“越来越”,Its getting warmer and warmer in spring.,Shes more and more careful/beautiful.,2.表示“比较程度”，常用a little,a lot,much,even 修饰比较级。He is much/a lot taller than I.,()My brother is _ more outgoing than me.A.many B.little C.much,c,3.在最高级前可以加序数词加the表示“第几最的”The Yellow River is the second longest river i
8、n China.4.“the+比较级+（主谓），the+比较级+（主谓）”，表示“越，就越”The more friends we have,the happier we can feel.The harder you work,the better you will be.The later you go to bed,the worse it will be for your health.,5.“one of the+最高级”表示“最之一”，形容词后的名词用复数形式。Mr.Green is one of the most popular teachers in our school.,(
9、)3）.October 12th was one of _ days in 2005.Shenzhou-VI was launched(发射）successfully.A.exciting B.more exciting C.the most exciting,c,6.比较对象一致时，常用代词that或those 代替比较的对象,The weather in Chongqing is warmer than that in Beijing.The girls in Chongqing are usually more beautiful than those in Guangzhou.改错：T
10、he teachers in our school are better than your school.The weather in spring is warmer than in winter.,We can do it,单项选择。（走进中考）,1.（2007年厦门市）This story is not _ as that one.A.more interesting B.less interesting C.so interested D.so interesting,2.（2005年甘肃省）It takes _ time to go to Beijing by plane than
11、 by train.A.more B.fewer C.longer D.less,D,D,3.（2006年重庆市）Of the two pencil-boxes，the boy chose _ one.A.less expensive B.the least expensive C.the less expensive D.the most expensive,C,4.（2009年济南市）_children there are in a family，_ their life will be.A.The less；the better B.The fewer；the better C.Fewe
12、r；richer D.More；poorer,B,5.（2009年辽宁省）Miss Li is one of _ in our school.A.a popular teacher B.more popular teacher C.most popular teacher D.the most popular teachers,D,8.（2010重庆）Who did English homework better,Leo or Nick?-Leo is more careful.I think Leo did _ Nick.A.as good as B.as well as C.better
13、than D.worse than,7.（2010年厦门市）When winter comes，the days get _.A.short and short B.shorter and shorter C.long and long D.longer and longer,6.（2007北京市西城区）John is my _ friend of all the classmates.A.good B.better C.best D.the best,C,B,C,9.(2009重庆）Were happy that our country has developed_ these years
14、than before.A.quickly B.less quickly C.more quickly D.most quickly10.（2008重庆）-What bad weather!-Yes.The radio says it will be even_ later on.A.bad B.badly C.worse D.worst,C,C,Improve ourselves,Japan,earthquake,anxious/worried/nervous/sad,On the afternoon of March 11th,a strong earthquake hit Japan.M
15、any houses were destroyed.The Japanese people were so nervous and sad that they couldnt help crying.,tsunami tsu:n:mi（海啸）,more nervous/more anxious/sadder,Then big tsunamis followed.Millions of homes have gone.More unfortunately（更不幸地）,more than 12,000 people lost their lives.Because of the tsunamis,
16、Japanese people felt even sadder.,nuclear radiation,reidiein核辐射,nuclear explosion iksplun核爆炸,most nervous/anxious,Nuclear explosion produced nuclear radiation.It was the most dangerous thing.This made the Japanese feel the most anxious.Luckily,more and more people are helping them now.We hope Japan
17、will be more and more beautiful and Japanese will become happier and happier.,Write a passage,On the afternoon of March 11th,a strongearthquake hit Japan._,The given words:earthquake（地震）,hit,destroy.nervous,anxious（焦急的）,sad.,tsunamis（海啸）,unfortunately（不幸地）,nuclear explosion(核爆炸),nuclear radiation(核辐射),earthquake,anxious/worried/nervous/sad,tsunami,more nervous/anxious/sadder,nuclear radiation,most nervous/anxious,THANK YOU,
