形容词和副词的比较级和最高级 (2).ppt

1、保亭中学保亭中学 王琛王琛1.How to form the comparative and superlative degrees of adjectives and adverbs.(怎样构成怎样构成形容词形容词2.How to use the comparative and superlative degrees of adjectives and adverbs.3.How to improve our abilities of using English.形容词用于描绘人或事物的特征形容词用于描绘人或事物的特征的词。的词。形容词的用法形容词的用法修饰名词，表示名词的属性。在句子中修饰

2、名词，表示名词的属性。在句子中充当表语、定语和宾补。充当表语、定语和宾补。1)用作用作定语定语,修饰修饰名词或代词名词或代词:He lives a He lives a happyhappy life.life.I have a I have a goodgood friend friend.2)用作用作表语表语,放在放在动词动词be后后,也可以放也可以放在其他一些特殊的在其他一些特殊的系动词系动词后面后面:The story is interesting.She looks young.3)做做宾语补足语宾语补足语,对句子的宾语进行补对句子的宾语进行补充说明充说明We should keep

3、 our classroom clean.副词的用法副词的用法表示行为和状态的特征，作状语，在句子表示行为和状态的特征，作状语，在句子中修饰动词、形容词或其他副词，甚至是中修饰动词、形容词或其他副词，甚至是整个句子，还能作表语、定语和宾补。整个句子，还能作表语、定语和宾补。He studies English hard.His handwriting is very good.He writes very carefully.Sometimes he walks to school.Class is over.The weather here is very hot.I found the b

4、oy over there.做表语做表语 How to form them.How to form them.单音节词，少数双音节单音节词，少数双音节 tall-taller-tallest long longer longestshortshorter shortest1: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，加构成比较级，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,直接在词直接在词的后面加的后面加 r构成比较级构

5、成比较级,加加 st构成构成最高级最高级.hot hotter-hottest bigbiggerbiggest fatfatterfattest3:重读闭音节词重读闭音节词,如末尾如末尾只有一只有一个辅音字母个辅音字母应先应先双写双写这个辅音这个辅音字母字母,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。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构成比较构成比较级，加级，加est构成最高级。构成最高级。/less/

6、less/leastleast双音节词双音节词,多音节多音节quicklymore/less quicklymost/least quicklyheavilymore/less heavilymost/least heavilyfantasticmore/less fantasticmost/least fantastic注：注：clever,lovely,friendly等用等用-er 和和-est或或more和和most皆可。皆可。good/well better-best bad/badly/ill worse-worst old older（旧）（旧）/elder（年龄）（年龄）-ol

7、dest/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。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 _ _

8、 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.(small)Which is _,the sun or the moon?(big)less carefullymorecarefullysmallerbiggeras+adj./adv.原级原级as 和和一样一样我和你一样大。我和你一样大。I am _ you.他跑得不及我快。他跑得不及我快。He _ run _ I.as old asdoesntas/so fast asas+adj.+a/an+可数名词单数可数名词单数+as

9、as much+不可数名词不可数名词+as，as many+可数名词复数可数名词复数as 和和一样多的某物一样多的某物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.manymuch当当as as中间有中间有名词名词时时,采用以下格式采用以下格式2.形容词、副词的比较级和最高级形容词、副词的比较级和最高级A+谓语谓语+adj./adv.的比较级的比较级than B A在某方面超过在某方面超过B我比汤姆要

10、高。我比汤姆要高。I am _ Tom(is).你看起来比以前年轻。你看起来比以前年轻。You look _ before.比较级的结构比较级的结构taller thanyounger than形容词和副词的比较级的变化不能混淆！形容词和副词的比较级的变化不能混淆！1.以以-er结尾和特殊变化结尾和特殊变化的形容词副词比较的形容词副词比较级前面级前面不能加不能加more2.as as 之间必须用形容词和副词之间必须用形容词和副词原级原级He is more taller than I.(T or F)I can write more better than he.(T or F)I runs

11、as faster as she.(T or F)fast1.比较级前可用比较级前可用much,far,a lot,a little,even等等表示程度表示程度,不能使用不能使用very，quite.She sings _ better than the others.她比别人要唱得好得多。她比别人要唱得好得多。Now I read _ faster than before.我我现在读得比以前要快一点。现在读得比以前要快一点。2.比较的对象要一致，一般说来同等的两比较的对象要一致，一般说来同等的两个事物才能比较个事物才能比较.The weather of Beijing is colder

12、than Shanghai.(T or F)that ofHis English is better than anyone else in his class.(T or F)elses 3.表示不同程度比较时，句子主语表示不同程度比较时，句子主语。He studies harder than any student in his class.(T or F)otherHe studies harder than all the students in his class.(T or F)otherHe studies harder than anyone in his class.(T o

13、r F)else4.在比较级中，用在比较级中，用that代替上述出现过的代替上述出现过的不可数名词不可数名词，用，用those代替上述出现过的代替上述出现过的复数名词。复数名词。The water in the glass is cleaner than _ in the river.杯子里的水比河里的要干净。杯子里的水比河里的要干净。I like these pictures better than _ on the wall.和墙上的画相比，我更喜欢这些。和墙上的画相比，我更喜欢这些。thatthose 5.三者或三者以上相比，用最高级，形容词最三者或三者以上相比，用最高级，形容词最高级前

14、加高级前加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_ than _ _ rivers in China.longerany otherlongerthe other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 warm

15、er 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 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 ri

16、ver in China.4.“the+比较级比较级+（主谓），（主谓），the+比较级比较级+（主（主谓）谓）”，表示，表示“越越，就越，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+最高级最高级”表示表示“最最之一之一”，形容词后的名词用形容词后的名词用复数复数形式。形式。Mr.Green is on

17、e 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）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 usual

18、ly more beautiful than those in Guangzhou.改错改错：The teachers in our school are better than in your school.The weather in spring is warmer than in winter.thosethat改错改错:1.His computer is cheaper than I.2.Bill is taller than any boy in his class.3Jim is very older than his sister.I mine any other boyver

19、ymuch4.Li Ling is the youngest of our class.5.It is the most useful book.6.Li Fen draws better of the two girls.7.He is the tallest in the three boys.ina the better of8.Its more bigger than a chicken.9.He is younger of the two.10.My classroom is bigger than you.11.The girl is very taller.much the youngeryourstall12.Mr.Green is my the best teacher.13.Jim is one of the tallest boy in our class.14.John runs is the fastest of all.15.My father is get up earlier than my mother.去掉去掉 theboys去掉去掉is改为：改为：gets