较级别及倍数表达.ppt

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1、比较级别及倍数的表达,Degrees of Comparison:,原级 The Positive Degree 比较级 The Comparative Degree最高级 The Superlative Degree,比较级前的修饰语(p398),any：表示疑问，用于疑问句中no或not any：表示否定 slightly,a bit,a little：表示.一点much,far,a lot:表示“.得多even,still：表示更加.,特别注意：形容词的比较级前不能再用more 来修饰!I feel more better today.I feel much better today.他

2、现在比以前快乐得多。He is much happier than ever before.,在比较结构中，应注意，同等的两个事物才能比较，如：The climate in the north is colder than the south.The climate in the north is colder than the climate in the south.()在实际运用中，往往用that,those,the one,the ones代替上文提及的部分。The climate in the north is colder than that in the south.The bo

3、oks on the desk are easier than the ones/those on the shelf.,1.Your knowledge is greater than a _.A.specialist B.specialists C.specialists D.specialists2.My watch is more expensive than_.A.you B.your C.yours D.yourself,B,C,几个特殊的比较结构,1.asas结构,表示“和一样”（形容词要用原级）A boy of fifteen is often as tall as his f

4、ather.George is a worker as efficient as Jack.否定句中用not so(not as)+原级+as（不如那样).John is not so(as)stupid as Bob.英语中有大量asas结构的成语(p400)as busy as a bee,as strong as a horseas timid as a hare,asas结构的变体：Mr.Jones is a teacher as good as Mr.Chips.=Mr.Jones is as good a teacher as Mr.Chips.I dont want a car

5、as expensive as this.=I dont want as expensive a car as this.,翻译下列句子：,1.西湖(the West Lake)和太湖(Lake Tai)一样大吗？不一样大。西湖比太湖小。太湖是我国最大的湖泊之一。2.南京和武汉一样热吗？南京没有武汉热。-Is the West Lake as big as Lake Tai?-No.The West Lake is smaller than Lake Tai.Lake Tai is one of the largest lakes in our country.-Is it as hot in

6、 Nanjing as it is in Wuhan?-It isnt so hot in Nanjing as it is in Wuhan.,2.the+比较级+of the two结构:两者中较.的,Thisstudentistheclevererofthetwo.Ofthegoldandsilver,theformeristhe moreprecious.Paris is now _of these two competing cities.A.the largest B.the large C.the larger D.larger,C,_ the two,Bob is _ stud

7、ent.A.Of,more diligent B.In,more diligent C.Of,the more diligent D.In,the more diligent,C,3.more than结构（p398-399）,这种比较不是在两个人或两个事物之间进行，而是描述同一个人或同一样东西本身。译为“更多的是而不是，与其说是不如说是”John is more hard-working than smart.与其说约翰聪明，不如说他学习用功。To them,music is more a way of life than just an interest.对他们而言，音乐更多的是一种生活方

8、式而不仅仅是一种兴趣。,比较：1.Helen is _than her sister.A.more proud B.proud C.prouder D.the proudest2.Helen is _ than vain(自负）.A.more proud B.proud C.prouder D.the proudest海伦更多的是自豪而不是自负。,C,A,I think Alice is _than unfriendly.A.shy B.shyer C.more shy D.more shy rather我认为Alice不是不友好，而是很害羞。To talk too much is somet

9、imes _than useful.A.worse B.bad C.much worse D.more bad 话太多有时候坏处胜于益处。,C,D,4.more than,less than,More than 800 people attended the concert.(超过，多于）Im more than glad to help you.Kate was more than a teacher；she is a writer,too.The cold was more than the children could bear.(与情态动词can 连用，表否定之意，指“不是所能的”),

10、(非常，=very),(不仅仅.=not only）,less thanThe young man is less than twenty years old.less than+数词，“不到”“少于”The boys were less than happy about having a party.less than+adj.,“不太”,5.no less than,no more than,至少来了一千人。No less than 1000 people came.Its population is no less than two million.它的人口多达两百万。He is no

11、more than 5 years old.他只有 5 岁。,no less than:至少.，多达，强调多no more than:只有，仅仅,强调少,6.比较级+and+比较级：越来越.,译：物价越来越高。故事变得越来越激动人心。我的家乡越来越漂亮了。The prices are getting higher and higher.The story is becoming more and more exciting.My hometown becomes more and more beautiful.,7.The+比较级.，the+比较级.:越.越.,The sooner you s

12、tart,the more quickly youll finish.The more things you had,the more you wanted.译：人年纪越大越明智。跳得越高，你就摔得越狠。The older he gets,the wiser he becomes.The higher you jump,the more heavily you fall.,倍数的表达,这棵树的高度是那棵树的三倍。1.倍数asas结构This tree is three times as tall as that one.2.倍数+比较级thanThis tree is twice taller

13、 than that one.,3.倍数+the size（length，height）ofThis tree is three times the height of that one.变形：The height of this tree is three times that of that one.用以上四种方法翻译下面两句话：他的房间比我的房间大两倍。这座桥宽是那座桥的四倍。,他的房间比我的房间大两倍。His house is twice bigger than mine.His house is three times as big as mine.His house is thre

14、e times the size of mine.The size of his house is three times that of mine.,这座桥宽是那座桥的四倍。1.This bridge is four times as wide as that one.2.This bridge is three times wider than that one.3.This bridge is four times the width of that one.4.The width of this bridge is four times that of that one.,4.倍数+m

15、ore+名词（可数，不可数）+than5.倍数+as many（或much）+名词+as他现在挣的钱比十年前挣的多5 倍。He earns five times more money than he did ten years ago.He earns six times as much money as he did ten years ago.我们班的学生人数是他们班的三倍。There are three times as many students in our class as in theirs.There are twice more students in our class t

16、han in theirs.,翻译：今年我们生产的棉花比1966年多了两倍。Weve produced twice more cotton this year than we did in 1966.Weve produced three times as much cotton this year as we did in 1966.,除倍数外，还可以使用分数小数，如：This box is one-third bigger than that one.这个盒子比那个盒子大三分之一。The new power station cost 80 per cent less than the one built earlier.新电站比早些时候建成的电站成本降低百分之八十。,than结构表示比某某多几倍，多百分之几,asas结构表示“是某某的多少倍或百分之几”,