比较级别及倍数表达课件.ppt

1、比较级别及倍数的表达比较级别及倍数的表达Degrees of Comparison:原级原级 The Positive Degree 比较级比较级 The Comparative Degree 最高级最高级 The Superlative Degree比较级前的修饰语比较级前的修饰语(p398)any：表示疑问表示疑问，用于疑问句中，用于疑问句中 no或或not any：表示否定表示否定 slightly,a bit,a little：表示表示.一点一点 much,far,a lot:表示表示“.得多得多 even,still：表示更加表示更加.特别注意：形容词的比较级前不能再用特别注意：形容

2、词的比较级前不能再用more 来修饰来修饰!I feel more better today.I feel much better today.他现在比以前快乐得多。他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在比较结构中，应注意，同等的两个事物才能比较，如：，如：在实际运用中，往往用在实际运用中，往往用that,those,the one,the ones代替上文提及的部分。代替上文提及的部分。thatthe ones/those1.Your knowledge is greater than a

3、_.A.specialist B.specialists C.specialists D.specialists2.My watch is more expensive than_.A.you B.your C.yours D.yourselfBC1.asas结构结构,表示表示“和和一样一样”（形容词要用原级）（形容词要用原级）英语中有大量英语中有大量asas结构的成语结构的成语(p400)Mr.Jones is a teacher as good as Mr.Chips.=Mr.Jones is as good a teacher as Mr.Chips.as expensive a car

4、翻译下列句子：翻译下列句子：1.西西湖湖(the West Lake)和太湖和太湖(Lake Tai)一样大吗？一样大吗？不一样大。西湖比太湖小。太湖是我国最大的湖不一样大。西湖比太湖小。太湖是我国最大的湖泊之一。泊之一。2.南京和武汉一样热吗？南京和武汉一样热吗？南京没有武汉热。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 Na

5、njing as it is in Wuhan?-It isnt so hot in Nanjing as it is in Wuhan.This student is the cleverer of the two.Of the gold and silver,the former is the more precious.Paris is now _of these two competing cities.A.the largest B.the large C.the larger D.largerC_ the two,Bob is _ student.A.Of,more diligen

6、t B.In,more diligent C.Of,the more diligent D.In,the more diligentC3.（p398-399）这种比较不是在两个人或两个事物之间进行，而是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。译为描述同一个人或同一样东西本身。译为“更多的更多的是是而不是，与其说是而不是，与其说是不如说是不如说是”John is more hard-working than smart.与其说约翰与其说约翰聪明聪明，不如说他，不如说他学习用功学习用功。To them,music is more a way of life tha

7、n just an interest.对他们而言，音乐更多的是一种生活方式对他们而言，音乐更多的是一种生活方式而不仅仅是一种兴趣。而不仅仅是一种兴趣。比较：比较：1.Helen is _than her sister.A.more proud B.proud C.prouder D.the proudest2.Helen is _ than vain(自负）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。海伦更多的是自豪而不是自负。C AI think Alice is _than unfriendly.A.shy

8、B.shyer C.more shy D.more shy rather我认为我认为Alice不是不友好，而是很害羞。不是不友好，而是很害羞。To talk too much is sometimes _than useful.A.worse B.bad C.much worse D.more bad 话太多有时候坏处胜于益处。话太多有时候坏处胜于益处。CD4.more than,less thanMore than 800 people attended the concert.(超过，多于）超过，多于）Im more than glad to help you.Kate was more

9、than a teacher；she is a writer,too.The cold was more than the children could bear.(与情态动词与情态动词can 连用，表否定之意，连用，表否定之意，指指“不是不是所能所能的的”)(非常，非常，=very)(不仅仅不仅仅.=.=not only）less thanThe young man is less than twenty years old.less than+数词，数词，“不到不到”“少于少于”The boys were less than happy about having a party.less

10、than+adj.,“不太不太”5.no less than,no more than至少来了一千人。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。它的人口多达两百万。He is no more than 5 years old.他只有他只有 5 岁。岁。no less than:至少.，多达，强调多no more than:只有，仅仅,强调少6.比较级比较级+and+比较级：越来越比较级：越来越.译：物价越来越高。译：物价越来越高。故事变得越来越激动人心。故

11、事变得越来越激动人心。我的家乡越来越漂亮了。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+比较级比较级.，the+比较级比较级.:越越.越越.The soonerthe more quicklyThe more things you had,the more you wanted.译：人年纪越大越明智。译：人年纪越大越明智。跳得越高，你就摔得越狠。跳

12、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.倍数的表达倍数的表达这棵树的高度是那棵树的三倍。这棵树的高度是那棵树的三倍。1.倍数倍数asas结构结构This tree is three times as tall as that one.2.倍数倍数+比较级比较级thanThis tree is twice taller than that one.3.倍数倍数+the size（length，height）ofThis tree is three

13、 times the height of that one.变形：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：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。他的房间比我的房间大两倍。这座桥宽是那座桥的四倍。这座桥宽是那座桥的四倍。他的房间比我的房间大两倍。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 three times t

14、he 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。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.4.4.倍

15、数倍数+more+more+名词（可数，不可数）名词（可数，不可数）+than+than5.5.倍数倍数+as many+as many（或（或muchmuch）+名词名词 +as+as他现在挣的钱比十年前挣的多他现在挣的钱比十年前挣的多5 倍。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。我们班的学生人数是他们班的三倍。There are three times as many

16、 students in our class as in theirs.There are twice more students in our class than in theirs.翻译：今年我们生产的棉花比翻译：今年我们生产的棉花比19661966年多了两倍。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：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。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。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，多百分之几结构表示比某某多几倍，多百分之几,asas结构表示结构表示“是某某的多少倍或百分之几是某某的多少倍或百分之几”