八年级上英语:比较级和最高级用法.ppt

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1、形容词和副词的比较级和最高级。形容词和副词的比较级和最高级。大多数形容词和副词有三个等级:原大多数形容词和副词有三个等级:原级、比较级、最高级。级、比较级、最高级。原级指形容词和副词的原形;原级指形容词和副词的原形;比较级用来表示比较级用来表示 “较较”或或“更更一些一些”;最高级则表示最高级则表示“最最”Grammar:一、形容词和副词的原级:1.表示两者(A与B)在某一方面相同时用句型:A+谓语谓语+as+形容词或副词的原形形容词或副词的原形+as+B.eg:Tom 和 Sam 一样高。Tom is as tall as Sam.Tom 和 Sam 跑得一样快。Tom runs as fa

2、st as Sam.英语和数学一样重要。English is as important as math.Lucy 和Lily 学习一样好。Lucy studies as well as Lily.2.两者(A与B)在某一方面A不如B时用句型:A+谓语谓语+not as/so+形容词或副词的原形容词或副词的原形形+as+B.eg:Tom 不如 Sam 高。Tom is not as/so tall as Sam.Tom 不如 Sam 跑得快。Tom doesnt run as/so fast as Sam.英语不如数学重要。English is not as/so important as ma

3、th.Lucy 不如Lily 学习好。Lucy doesnt study as/so well as Lily.形容词的比较级形容词的比较级一:用法用于两者(人或物)之间,表示“其中一个比另一更”或“较”,后面通常用连词than连结另一个比较的对象,其基本句型是:主语谓语(系动词)形容词比较级主语谓语(系动词)形容词比较级thanthan对比对象。对比对象。eg:eg:吉姆比迈克高。吉姆比迈克高。Jim is taller than Mike.Jim is taller than Mike.迈克比吉姆矮迈克比吉姆矮 Mike is shorter than Jim.Mike is shorte

4、r than Jim.1、形容词和副词的比较级的规则变化:、形容词和副词的比较级的规则变化:一般直接在词尾加er或 esttalltaller-tallestlight lighter-lightest以字母e结尾的直接加r或stnice nicernicestfine finerfinest 以辅音字母加y结尾的形容词,要变y为i再加er或estheavyheavierheaviest busy busier-busiest 以重读闭音节结尾且末尾只有一个辅音字母的形容词,要双写末尾的辅音字母再加er或 estthin thinnerthinnesthot hotterhottest 多音节

5、词或部分双音节词的比较级和 最高级在其前面加more或most。beautifulmore beautifulmost beautiful importantmore importantmost importantInteresting more interesting most interestingquickly more quickly most quicklytired more tired most tired2、不规则形容词的比较级最高级、不规则形容词的比较级最高级原 级比 较 级最 高 级good/wellmany/muchlittle ill/bad/badlyfarbette

6、rbestmoremostlessleastworseworstfarther/furtherfarthest/furthest(抽象)写出下列形容词的比较级和最高级写出下列形容词的比较级和最高级写出下列形容词的比较级和最高级写出下列形容词的比较级和最高级(1)ill/bad/badly _ (2)busy _ (3)big _ (4)fat_ (5)hot _ (6)easy _(7)little _(8)fast _(9)hard _(10)many/much _worse/worstbusier/busiestbigger/biggestfatter/fattesthotter/hott

7、esteasier/easiestless/leastfaster/fastestharder/hardestmore/most(11)happy_ (12)far _(13)careful _ (14)good/well _ (15)difficult _ (16)small _ (17)quiet _ (18)old _(19)beautiful_(20)strong_happier/happiestfarther(further)/farthest(furthest)more careful/most carefulmore difficult/most difficultmore be

8、autiful/most beautifulbetter/bestsmaller/smallestquieter/quietestolder/oldeststronger/strongest 比较级+than(两者之间)A比B较/更”。A+谓语谓语+adj./adv.比较级比较级+than+B.eg:Tom 比比 Sam 高。高。Tom is taller than Sam.Tom 比比 Sam 跑得快。跑得快。Tom runs faster than Sam.英语比数学重要。英语比数学重要。English is more important than math.Lucy 比比Lily 学习好

9、。学习好。Lucy studies better than Lily.Which goes faster,the bike or the car?The car goes faster than the bike.The bike goes fast.Which flies higher,the plane or the bird?The plane flies higher than the bird.The bird flies high.Which runs faster,the dog or the sheep?The dog runs faster than the sheep.Th

10、e sheep runs fast.Donald duckHarry PotterWhich is more interesting?Harry potter is more interesting than Donald duck.Donald duck is interesting.倍数+比较级+than.形容词比较级前可加数词,表示“大(小)多少”“长(短)多少”eg:他比我小五岁。He is five years younger than me.A+谓语谓语+倍数(倍数(times)+adj./adv.比较级比较级+than+B.Eg:我的房间是你的三倍大。My room is thr

11、ee times bigger than yours.A+谓语谓语+数词数词+adj./adv.比较级比较级+than+B.数词+比较级+than.eg:他越来越胖了。He becomes fatter and fatter.她学得越来越好了。She studies better and better.“比较级+and+比较级”表示“越来越”越来越高越来越强壮越来越长越来越受欢迎越来越漂亮越来越有趣taller and tallerstronger and strongerlonger and longermore and more popularmore and more beautiful

12、more and more interesting吃的越多,会变得越胖_you eat,_ you will be.the+比较级,the+比较级越,越。The morethe fatter越多越好The more,the better.你们越努力,将来你们就越成功.The _(hard)you _(work),the _ _(successfully)you _ _(be).他越忙越快乐._ _ he is,_ _ he will be.The busier the happier harder workmore successfully will be the+比较级+of the two

13、Amy is the shorter of the two.John is the taller of the two.A+谓语+the+adj./adv.比较级+of the two.AmyJohnA+谓语+adj./adv.比较级+than any(other)+可数名词单数+范围。A+谓语+adj./adv.比较级+than the other+可数名词复数+范围。“A是中最的”或“A比(其他)任何都”注:当A在范围内比较时,必须加other;当A不在范围内比较时,去掉other.eg:上海比中国其他的任何一个城市都大 Shanghai is bigger than any other

14、city in China.上海比日本的任何一个城市都大 Shanghai is bigger than any city in Japan.用形容词的比较级来表达最高级的概念He istaller than any other boy.He is taller than the other boysHe is the tallest of all.The Yellow RiverWhich river is longer?The Changjian River在中国,长江比其他河流都长。The Changjiang River is longer than the other rivers

15、in China.在中国,长江比其他任何河流都长。The Changjiang River is longer than any other river in China.长江是中国最长的河流。The Changjiang River is the longest river in China.(8)修饰比较级的词 much(的多)、far(的多)、a lot(的多)、even(更)、a bit(一点儿)a little(一点儿)eg:This city is much more beautiful than that one.这座城市比那座城市漂亮的多。Today is even hotte

16、r than yesterday.如果比较对象相同,可用that/those代替第二个比较对象。The weather in Shanghai is better than that in Wuhan.三、形容词、副词的最高级三、形容词、副词的最高级三者或三者以上人或物的比较。三者或三者以上人或物的比较。1.A+谓语谓语+the+adj./adv.最高级最高级+of,in,among短语短语A 是是中最中最的。的。My mother is the busiest in my family.我妈妈是家中最忙的。I jump the farthest in my class.我是我们班跳得最远的。

17、Tom is the tallest of all the students.Tom是所有学生中最高的。2、one of the+形容词最高级+可数复数“最之一”。篮球是世界上最受欢迎的运动之一。Basketball is one of the most popular sports in the world.3、the+序数词+形容词最高级+名词 表示“第几大长高”The Yellow River is the second longest river in China 黄河是中国第二长河。I.用形容词的正确形式填空用形容词的正确形式填空1.Which do you like _(well)

18、,apples,pears or bananas?2.I think this story is _(interesting)than that one.3.In the morning he is _(early).His father is _(early)than he.His mother is the _(early)of the three.4.The Yellow River is the second _(long)river in China.5.He thinks his corn is _(delicious)of all the food.6.I feel math i

19、s _(difficult)than Chinese.best more interesting earlyearlierearliestlongest most deliciousthe more difficult句型转换:句型转换:1.Tom is tall.Jim is short.(比较级合并比较级合并)Tom is _ _ Jim.2.My hair is long.Marys hair is longer.(合并成一句合并成一句)Marys hair _ _ _ mine.3.Pedro is thinner than Sam.(改为同义句改为同义句)Sam is _ _ Ped

20、ro.4.My sister is better at study than me.She is clever.(改为同义句改为同义句)My sister is _ clever(聪明的聪明的)than me at study.5.Peter is funny.Paul is funny,too.(合并成一句合并成一句)Peter is _ funny _ Paul.tallerthanislongerthan fatter/heavierthanmoreasas2)比较级:1)A+be+adj比较级+than+B 2)A+V+adv比较级+than+B注意:1)比较级修饰词:much far

21、 even still rather a lot a little a bit 2)加倍数:A be+倍数+比较级+than+B 3)同范围的比较,相当于最高级:比较级+than+any other +sl(比其他任何一个都。)4)越来越 :比较级 and 比较级 5)越.越.:the 比较级,the 比较级 6)两个当中比较.的:the 比较级 of the two 7)Who/Which is 比较级,A or B?最高级:A+be/v+the+最高级+of(in)+.注意:1)名词所有格,形物代修饰省略 the 2)one of the 最高级+pl 3)Who/Which is the

22、 形容词最高级,A,B or C?1.This box is_ that one.A.heavy than B.so heavy thanC.heavier as D.as heavy as2 This book is_ that one,but_ than that one.A.as difficult as;expensiveB.as more difficult as;more expensiveC.as difficult as;more expensiveD.more difficult as;as expensive2)比较级:1)A+be+adj比较级+than+B 2)A+V+

23、adv比较级+than+B注意:1)比较级修饰词:much far even still rather a lot a little a bit 2)加倍数:A be+倍数+比较级+than+B 3)同范围的比较,相当于最高级:比较级+than+any other +sl(比其他任何一个都。)4)越来越 :比较级 and 比较级 5)越.越.:the 比较级,the 比较级 6)两个当中比较.的:the 比较级 of the two 7)Who/Which is 比较级,A or B?最高级:A+be/v+the+最高级+of(in)+.注意:1)名词所有格,形物代修饰省略 the 2)one

24、 of the 最高级+pl 3)Who/Which is the 形容词最高级,A,B or C?()4 I think science is _ than Japanese.A.much important B.much more important C.important D.more much important()5 This pencil is_ than that one.A longest B.long C.longer D.as long()6 Our classroom is_ larger than theirs.A.more B.quite C.very D.much2

25、)比较级:1)A+be+adj比较级+than+B 2)A+V+adv比较级+than+B注意:1)比较级修饰词:much far even still rather a lot a little a bit 2)加倍数:A be+倍数+比较级+than+B 3)同范围的比较,相当于最高级:比较级+than+any other +sl(比其他任何一个都。)4)越来越 :比较级 and 比较级 5)越.越.:the 比较级,the 比较级 6)两个当中比较.的:the 比较级 of the two 7)Who/Which is 比较级,A or B?最高级:A+be/v+the+最高级+of(i

26、n)+.注意:1)名词所有格,形物代修饰省略 the 2)one of the 最高级+pl 3)Who/Which is the 形容词最高级,A,B or C?8 When spring comes,it gets_.A.warm and warm B.colder and colder C.warmer and warmer D.shorter and shorter 9 Day by day,_ students in our class came to like English.A.more and more B.much and much C.many and many D.les

27、s and least10 _ I look at the picture,_ I like it.A.The best;the more B.The more;the lessC.The more;less D.More;the more11 _ he read the book,_ he was in it.A.The more;the more interestingB.The less;the more interesting C.The more;the more interested D.More;more interested 2)比较级:1)A+be+adj比较级+than+B

28、 2)A+V+adv比较级+than+B注意:1)比较级修饰词:much far even still rather a lot a little a bit 2)加倍数:A be+倍数+比较级+than+B 3)同范围的比较,相当于最高级:比较级+than+any other +sl(比其他任何一个都。)4)越来越 :比较级 and 比较级 5)越.越.:the 比较级,the 比较级 6)两个当中比较.的:the 比较级 of the two 7)Who/Which is 比较级,A or B?最高级:A+be/v+the+最高级+of(in)+.注意:1)名词所有格,形物代修饰省略 th

29、e 2)one of the 最高级+pl 3)Who/Which is the 形容词最高级,A,B or C?12.Which is_,Li Lei or Wu Tong?A.strong B.strongest C.stronger D.the strongest13.Which language is_,English,French or Japanese?A.easy B.the most easy C.the easiest o D.much more easy14.Which is _ interesting,science,maths or English?A.more B.t

30、he most C.very D.too 15.The tree is _ in the garden.A.the taller B.the tallest C.taller than of all D.tall.四.单项选择。1.Lucy is very short,but she is _ than her sister.A.shorter B.longer C.taller D.older 2.Frank is _ friendly than his brother.A.a little more B.a few more C.much D.a little 3.Sam is _ at Chinese than Jim.A.good B.well C.better D.gooder 6.Im _ quieter than Susan.A.little B.few C.a little D.a few 7.The watch is not _ beautiful as that one.A.very B.too C.so D.more8.The weather in North China is colder than _ in South China.A.B.this C.the one D.that

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