倍数和比较级
倍数表达法
倍数表达法是历届高考的热点。
当我们要表达甲是乙的几倍时，通常可使用以下句型：1.倍数+as+形容词或副词的原级+as+其它。
这种结构又常演变成下列两类：①倍数+as+many+可数名词复数+as;②倍数+as+much+不可数名词+as。
如：There are seven times as many people as I expected.是我预料的人数的七倍。
There is five times as much coffee in this glass as in that one.这个杯子里的咖啡是那个杯子里的五倍。
2.倍数+形容词（或副词）的比较级+ than+其它。
如：The hall is five times bigger than our classroom.这个大厅的面积比我们教师大五倍。
3.倍数+the size/height/length/.+of+其它。
如：This road is six times the length of that one.这条路是那条路的六倍长。
4.计量名词+of+名词+be+倍数+that+of+其它。
如：The size of the newly broadened square is four times that of the previous one.新扩建的广场为以前的四倍大。
》5.倍数+what从句。
如：The production is now three times what it was ten years ago.现在的产量是十年前的三倍。
6.倍数+more+名词+than+其它。
如：There are nine times more books in his bag than in yours.他书包里的书比你书包里的书多九倍。
7.其它表达。
如：She's twice/double my age.她的年龄是我的两倍。
英语中倍数的表达方式
The earth is 49 times the size of the moon.
地球的体积是月球的49倍。
1
This river is three times the depth of that one.
My command of English is not half so good as yours.
我英语掌握得还不及你的一半儿好。
三、用again（一倍），double（两倍），triple（三倍），fourfold（四倍）等词表示倍数。
例如：
My Aunt is as old again as I am.
18.With the help of the German experts, the factory produced ________ cars in 1993 as the year before.
(上海卷)
A. as twice manyB. as many as twice
C. as twice as manyD. twice as many
A.as twice
B.twice much
C.twice much as
D.twice as much
答案是D
4
17. The houserent is expensive, I?ve got about half the space I had at home and I?m paying ________
太阳的体积比地球的体积大一百万倍。
He is three times up on your age.
比较级与最高级及倍数表达方式完整版
比较级与最高级及倍数表达方式标准化管理处编码[BBX968T-XBB8968-NNJ668-MM9N]比较级与最高级、倍数表达方式一、词的变化规则1）规则变化2) 不规则变化3）more + 形容词/副词原级二、基本结构比较级形容词或副词+thanYou are taller than I.He is the tallest in his class.可修饰比较级的词1）a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等2）还可以用表示倍数的词或度量名词作修饰语。
3）以上词(除by far)外，必须置于比较级形容词或副词的前面。
典型例题:1）---- Are you feeling ____---- Yes，I'm fine now.A. any wellB. any betterC. quite goodD. quite better2）The experiment was____ easier than we had expected.A.moreB.much moreC.muchD.more much3）If there were no examinations, we should have ___ at school.A. the happiest timeB. a more happier timeC. much happiest timeD.a much happier time the+最高级+比较范围1) The Sahara is the biggest desert in the world.形容词最高级前通常必须用定冠词 the，副词最高级前可不用。
形容词most前面没有the，不表示最高级的含义，只表示"非常"。
倍数用法总结
Thank You !
那本恰好贵5倍。
（3）倍数+the+表数量大小的名词+of+被比对象 或that/those of Examples
• The newly broadened square is four times the size of the previous one. 新扩建
的广场是未扩建时的四倍大。
• The rooms in this hotel are six times those of the small inn.这间酒店的房间是小客栈
的六倍多。
副词的位置
• We___our breakfast when an old man came to the door. A.just have had B.have just had C.just had had D.had just had
never,ever, usually, rarely, occasionally, no sooner, hardly, scarcely 等以及 just, shortly 等
评注性副词的位置
• Not___, the process of choosing names varies widely from culture to culture. A.obviously B.particularly C.surprisingly D.normally
对全句进行修饰的评注性副词如 actually, fortunately, surely, certainly, briefly 通常放在句首，并用逗号隔开。
频率副词 always, often, frequently, seldom,
倍数表达法
倍数表达法是历届高考的热点.当我们要表达甲是乙的几倍时，通常可使用以下句型：之杨若古兰创作1.倍数+as+描述词或副词的原级+as+其它.这类结构又常演酿成以下两类：①倍数+as+many+可数名词复数+as;②倍数+as+much+不成数名词+as.如：There are seven times as many people as I expected.是我意料的人数的七倍.There is five times as much coffee in this glass as in that one.这个杯子里的咖啡是那个杯子里的五倍.2.倍数+描述词（或副词）的比较级+ than+其它.如：The hall is five times bigger than our classroom.这个大厅的面积比我们教师大五倍.3.倍数+the size/height/length/width.etc.+of+其它.如：This road is six times the length of that one.这条路是那条路的六倍长.4.计量名词+of+名词+be+倍数+that+of+其它.如：The size of the newly broadened square is four times that of the previous one.新扩建的广场为之前的四倍大.5.倍数+what从句.如：The production is now three times what it was ten years ago.此刻的产量是十年前的三倍.6.倍数+more+名词+than+其它.如：There are nine times more books in his bag than in yours.他书包里的书比你书包里的书多九倍.7.其它表达.如：She's twice/double my age.她的年龄是我的两倍.The average income of the staff has been increased by 50 percent compared with last year.与去年比拟，该单位职工的收入已添加了50%.He runs faster than me by three times.他跑得比我快三倍. {考查方向}1）倍数在句中的地位普通放在第一个as前面或比较级前面或名词前面.2）用times暗示倍数时，普通只限于暗示包含基数在内的三倍或三倍以上的数.暗示两倍可以用twice或double,一倍用once.【重点归纳】除了我们初中所学的描述词的比较级的用法，本模块我们次要归纳几种句式结构：（一）含倍数的比较句型1.倍数+as+描述词原级+as….如：This bridge is three times as long as that one.His room is twice as big as mine;in other words,mine is only half as big as his.【特别提醒】“as…as”两头加入名词的句式：●倍数+as+描述词+a/an+可数名词单数+as…●倍数+as+描述词+可数名词复数/不成数名词+as….如：Last year my brother twice as big a new house as mine.He has collected more than three times as many stamps as I (have).I spent twice as much time on my studies as you did.【难点点拨】该结构的省略：通常省略描述词后面的名词及比较的部分.如：I have to transfer(转乘）buses so I spend twice as much (money as others)for the bus every day.2.倍数+描述词比较级+than….如：This street is four times shorter than that one.Fear of danger is ten thousand times more terrifying than danger itself.【特别提醒】倍数+描述词比较级+名词+than….如：He earns five times more money now than he did ten years ago. There are three times more books in our library than in yours. 3.倍数+the+名词（如size,height,weight,length,width,depth 等）+of….如：This well is three times the depth of that one.4.另外，请留意上面两种说法：（1）倍数+what从句.如：The length of the road is four times what it was three years ago.(2)倍数+that of+被比较对象.如：Airmail charges almost twice or three times that of a normal mail. (二）其它句式1."比较级+and+比较级"暗示"愈来愈…".如：Things are getting better and better every day.Our country is becoming more and more beautiful.2."the+比较级…，the+比较级…"暗示“越…，就越…”.如：The more you have, the more you want.The more a man knows, the less he knows he knows.【常识扩展】在描述词比较级前可以加a little,a bit,alot,no,any,much,far,even,still等副词（组暗示程度的加深.如：The result is much better than we expected.Actually,health is far more important than wealth.。
(完整版)倍数表达法和比较等级
一倍数表达法是历届高考的热点。
当我们要表达甲是乙的几倍时，通常可使用以下句型：1. 倍数+ as + 形容词或副词的原级+ as + 其他。
这种结构又常演变成下列两类：①倍数+ as + many + 可数名词复数+ as；②倍数+ as +much + 不可数名词+ as。
如：There are seven times as many people as I expected.是我预料的人数的七倍。
There is five times as much coffee in this glass as in that one.这个杯子里的咖啡是那个杯子里的五倍。
2. 倍数+ 形容词（或副词）的比较级+ than + 其他。
如：The hall is five times bigger than our classroom. 这个大厅的面积比我们教室大五倍。
3. 倍数+ the size / height / length / width. etc. + of + 其他。
如：This road is six times the length of that one. 这条路是那条路的六倍长。
4. 计量名词+ of + 名词+ be +倍数+ that + of + 其他。
如：The size of the newly broadened square is four times that of the previous one.新扩建的广场为以前的四倍大。
5. 倍数+what从句。
如：The production is now three times what it was ten years ago.现在的产量是十年前的三倍。
6. 倍数+ more + 名词+ than +其他。
如：There are nine times more books in his bag than in yours.他书包里的书比你书包里的书多九倍。
比较级的用法和句型than
比较级的用法和句型than比较级的用法和句型比较级是英语中表示比较程度的一种形式，用于对两个人或物进行比较。
在构成比较级句子时，常使用连词“than”。
本文将详细介绍比较级的用法和常见句型。
一、基本结构和规则在英语中，形容词和副词的比较级通常由单音节修饰词末尾加上“-er”来构成，如“bigger”、“faster”等。
另外，在单音节修饰词以字母e结尾时，只需要在末尾加上“r”，如“nicer”、“larger”等。
当修饰词是多音节或含有两个或以上的单元时，在其前面加上“more”来构成比较级，例如“more beautiful”、“more expensive”。
同时，有些修饰符还有不规则的变化方式。
如，“good”变为“better”，“bad”变为“worse”，以及“far”变为“further”。
二、频率/数量双重比较在某些情况下，我们需要进行频率或数量的双重比较。
这时候可以使用以下结构：1. The + 比较级 + of the two (three...) + 名词（通常为可数名词复数形式） +is/was......例如：The faster of the two cars is mine.（两辆车中较快的是我的。
）2. + 比较级 + than any other + 名词（通常为可数名词单数形式）.例如：She runs faster than any other athlete in the competition.（她跑得比其他运动员都快。
）三、数量/程度双重比较有时，我们需要同时对数量或程度进行比较。
下面是一些常见的句型：1. The more + 形容词/副词(原级) , the more + 形容词/副词(原级).例如：The more you practice, the better you will become.（你练习得越多，你会变得越好。
）2. The less + 形容词/副词(原级), the less + 形容词/副词(原级).例如：The less you worry, the happier you will be.（你担心得越少，你会变得越开心。
倍数表达法及比较级最高级
倍数表达法及比较级，最高级两倍：twice 三/四/五倍：three/four/five times注意：以下10结构中的倍数也可换成分数或百分数：如：one-third 三分之一； two-thirds 三分之二；80 percent 百分之八十。
1. A+谓语V+倍数+as+adj/adv原级+as+B2. A+谓语V+倍数+adj/adv比较级+than+B3. A+谓语V+倍数+the+计量名词(size/weight/length/height--)+of+B4. The+计量名词+of+A+be+倍数+that+of+B5. --------------倍数+what从句6. --------------倍数+that+of+B7. --------------倍数+as+many/much+名词复数/U+as+B 8. --------------倍数+more+名词复数/U+than+B 9. --------------倍数+compared with B10. --------------倍数+形容词性物主代词+nEg. 1.This stick is three times as long as that one.这个棍子是那个的3倍长。
2. This stick is three times longer than that one.这个棍子比那个棍子长3倍。
3. This stick is three times the length of that one.这个棍子是那个棍子的3倍长。
4. The length of this stick is three times that of that one.这个棍子的长度是那个的3倍。
5. The output now is three times what it was ten yeas ago.现在的产量是十年前的3倍。
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英语语法
2.1倍数和比较级
2.1.1倍数(省略)
2.1.2形容词、副词的比较级
形容词和副词有三个等级，即原级、比较级和最高级。
构成规则有两中情况，即规则变化和不规则变化。
不规则变化需记忆，规则变化如下：
单音节形容词和副词通常都采用原级加词尾-er 构成比较级形式，原级加词尾-est则构成最高级形式/ 多数双音节、三音节及三音节以上的形容词采用“more+原形”构成比较级形式；“most+原形”构成最高级形式。
少数单音节和部分双音节形容词也more，most形式。
2．1．2．1同等程度的比较
常用句型如下：
①．as+形容词/副词原级+as
He speaks French as fluently as a native speaker。
★在as …as 中间使用名词时要注意：as+many+复数名词+as；as+much+不可数名词+as 。
The twins became interested in computer and read as many books as they could on the subject。
I have not made as much progress as I should。
★该句型还可表示“是……的多少倍”：表示倍数的词+as+many（much）+as从句。
She can write twice as fast as I。
★当形容词前有不定冠词时，则不定冠词必须放在形容词后，句型为：as+adj+a/an可数名词(单)+as 例如Dick is as handsome a boy as Bill。
②．否定结构：not as /so +adj/adv原级+as
This problem is not as /so difficult as that one 。
③．还可以用the same + 表示度量的名词（如height size length width age）+as
Lucy is the same age as Lily。
Wuyi Road is the same width as Hongwei Road 。
2．1．2．2较高程度的比较
①．adj/adv比较级+than…。
His handwriting is better than Johnso n′s。
②.adj比较级+n+than…
He lives in a more pleasant bedroom than I。
③．the +adj比较级+of +名词（指两个比较对象中的一个）如：
This is the more expensive of the two computers。
2．1．2．3最高程度的比较
①．the +adj/adv最高级+比较范围，形容词最高级前必须用定冠词the，副词前the可以省略，例如：She has got the most flowers of all the girls here。
He works （the）hardest at English of the three boys。
②．比较级的形式表示最高意义。
adj/adv比较级+than any other +n（单/复）
Shanghai has a large population than any other city in China。
=Shanghai has the largest population of all the cities in China 。
2．1．3比较级的特殊含义
①．越来越……=比较级+and +比较级
②．越……，越……=the +比较级，the +比较级
③．含more/less than 结构用法比较
no more than=not as…as…与……一样不……
not more than 与……一样不…，……不比……
更……，
例如：He speaks french no more clearly than I do 。
他和我一样说法语不清楚。
He does not speak french more clearly than I do 。
他说法语不比我更清楚。
no more than+数词=only 仅仅，只不过。
not more than+数词=at the most 不超过。
例如：He wrote the essay on reading in no more than 80 words。
他写的关于阅读的论文仅仅八十个字。
Write an article in not more than 80 words 。
写一篇不超过八十字的论文。
no less+adj/adv+than =as…as…与……一样
not less +adj/adv+than 不比……更……例如：
The girl sings no less beautifully than the singer。
这个女孩歌唱得像歌手一样好听。
He is not less quick at figures than I 。
他在计算方面不比我快。
no less than+数词=多达
not less than+数词=至少，不少于例如：
No less than 300 children entered for piano contest。
多达300个孩子参加钢琴比赛。
He offered not less than＄10000 for the vase.
他为花瓶赔至少10万美圆
more than 远不止,不只是
m ore…than…与其说……不如说……例如:
He is more a playwriter than an actor.
Switzerland is more than a place to indulge in all your favorite einter sports ;it is also a marvelous spot to relax.
Would rather…than…宁愿……而不愿……例如:
He would rather die than give up .
★英语中有些形容词本身具有比较意味并由介词to引起比较对象.常见的类似形容词为inferior (较差), superior, junior senior 等.例如:
She is three years junior to my younger sister.。