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1、Aims and demands1.How to form the comparative and superlative degrees of adjectives and adverbs.(怎样构成怎样构成形形容词容词和副词的比较级和最高级）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，少数双音节单音节词，少数双音
2、节形容词和副词的比较级和最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单音节词，少数双音节词在词尾加er构成比较级，构成比较级，加加est构构 成最高级。成最高级。 nice- nicer -nicest large larger- largest cutecutercutest2:以以不发音的不发音的e结尾的词结尾的词,直接在词的后面加直接在词的后面加 r构构成比较级成比较级,加加 st构成最高级构成最高级.hot hotter- hottest
3、bigbiggerbiggest fatfatterfattest3: 重读闭音节词重读闭音节词 ,如末尾如末尾只有一个辅音字母只有一个辅音字母应先应先双双写写这个辅音字母这个辅音字母, 再加再加er构成比较级，加构成比较级，加est构构成最高级。成最高级。 easy- easier easiest heavyheavierheaviest happyhappierhappiest 4:以以辅音字母辅音字母+y结尾的词结尾的词, 先变先变y为为i再加再加er构成比较级，加构成比较级，加est构成最高级。构成最高级。 5 5：双音节词：双音节词, ,多音节词在词前加多音节词在词前加 more m
4、ore /less构成构成比较级，加比较级，加most most / least构成最高级。构成最高级。 双音节词双音节词,多音节多音节形容词和副词的比较级和最高级的形容词和副词的比较级和最高级的形容词和副词的比较级和最高级的形容词和副词的比较级和最高级的规则变规则变规则变规则变化化化化. .quicklymore /less quicklymost / least quicklyheavilymore /less heavilymost / least heavilyfantasticmore /less fantasticmost / least fantastic注：注：clever,
5、lovely, friendly等用等用-er 和和-est或或more和和most皆可。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 old older（旧）（旧）/elder（年龄）（年龄） -oldest/eldest many/much more- most little less- least far farther（距离）（距离）/further（意义）（意义） -farthest/furthest 巧记口诀：巧记口诀：多多与与少少，好好与与坏坏，相，相差差不是很不是很远远。 How
6、 to use them.形容词，副词比较级和最高级的基本用法形容词，副词比较级和最高级的基本用法1. 同级相比（肯定），与同级相比（肯定），与一样：用一样：用“asas” Lin Tao is as clever as Jim.（否定）与（否定）与不一样：不一样： 用用“not as (so)as” Ann does not do as carefully as Jane.（同义句）（同义句） Jane does _ _ than Ann.Ann does _ _ than Jane.2. 两者相比用两者相比用“比较级比较级” This cake is _ than that one. (s
7、mall) Which is _, the sun or the moon? (big)less carefullymorecarefullysmallerbigger3. 三者或三者以上相比，用最高级，形容词最高级三者或三者以上相比，用最高级，形容词最高级前加前加the, 副词最高级形式句中副词最高级形式句中 the 可以省略。可以省略。 The Yangtze River is the longest river in China.（同同义句义句） The Yangtze River is_ than _ _ river in China. The Yangtze River is_ th
8、an _ _ rivers in China.longerany otherlongerthe other How to perfect them.形容词形容词,副词比较级和最高级的副词比较级和最高级的特殊用法特殊用法.1.“比较级连用比较级连用” ,表示表示“越来越越来越” Its getting warmer and warmer in spring.Shes more and more careful/ beautiful.2. 表示表示“比较程度比较程度”，常用，常用a little, a lot, much, even 修饰比较级。修饰比较级。 He is much/ a lot t
9、aller than I.( ) My brother is _ more outgoing than me. A. many B. little C. much c3. 在最高级前可以加在最高级前可以加序数词序数词加加the表示表示“第几最第几最的的”The Yellow River is the second longest river in China.4. “the+比较级比较级+（主谓），（主谓），the+比较级比较级+（主谓）（主谓）”，表示，表示“越越，就越，就越”The more friends we have, the happier we can feel.The hard
10、er 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+最高级最高级” 表示表示“最最之一之一”，形容，形容词后的名词用词后的名词用复数复数形式。形式。Mr. Green is one of the most popular teachers in our school.( ) 3）. October 12th was one of _ days in 2005. Shenzhou-VI was launched(发发射）射）
11、successfully. A. exciting B. more exciting C. the most excitingc6.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：The teachers in our school are better than your school.The weather in s
12、pring is warmer than in winter.We can do it单项选择单项选择。（走进中考走进中考）1. （2007年厦门市）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）年甘肃省）It takes _ time to go to Beijing by plane than by train. A. more B. fewer C. longer D. less DD
13、3. （2006年重庆市）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 C4. （2009年济南市）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. Fewer； richer D. More； po
14、orer B5. （2009年辽宁省）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 D8.（2010重庆）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
15、 than D. worse than 7. （2010年厦门市）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）北京市西城区）John is my _ friend of all the classmates. A. good B. better C. best D. the best CBC9. (2009重庆）重庆）Were happy that our country
16、 has developed_ these years than before. A. quickly B. less quickly C. more quickly D. most quickly10. （2008重庆）重庆）-What bad weather! -Yes. The radio says it will be even_ later on. A. bad B. badly C. worse D. worstCCImprove ourselvesImprove ourselves Japanearthquakeanxious/worried/nervous/sad On the
17、 afternoon of March 11th, a strong earthquake hit Japan. Many houses were destroyed. The Japanese people were so nervous and sad that they couldnt help crying. tsunami tsu:n:mi （海啸）（海啸）more nervous/ more anxious/sadder Then big tsunamis followed. Millions of homes have gone. More unfortunately（更不幸地）
18、（更不幸地）, more than 12,000 people lost their lives. Because of the tsunamis, Japanese people felt even sadder. nuclear radiation ,reidiein核辐射核辐射nuclear explosion iksplun核爆炸核爆炸most nervous/anxious Nuclear explosion produced nuclear radiation. It was the most dangerous thing. This made the Japanese feel
19、 the most anxious. Luckily, more and more people are helping them now. We hope Japan 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）（地震）, hit, destroy. nervous, anxious（焦急的）（焦急的）, sad.,tsunamis（海啸）（海啸）, unfortunately（不幸地）（不幸地）, nuclear explosion(核爆炸核爆炸),nuclear radiation (核辐射核辐射)earthquakeanxious/worried/nervous/sadtsunamimore nervous/anxious/saddernuclear radiationmost nervous/anxious
