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       (三)数词的用法:

1.英语中年月日、点钟、序数词、分数词、算式列表

英语数词用法详解         ★★★ 【字体:
 

英语数词用法详解

作者:soosun    文章来源:本站原创    点击数:    更新时间:2008-12-7     


 

高考重点要求:

1.掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。

2.掌握不定数量词、约数词的表达方法

数词在各个题项中,单选、阅读听力写作中发挥着很强的作用,往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词,而其他数字表示法如分数,小数等均由这两大部分的不同组合而构成。

(一)基数词:表示数目的词为基数词,它的构成如下表:

 

 

   

1~12

无规律

 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve

13~19

teen为结尾

 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen

20~90

ty结尾

 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety

21~99

十位与个位之间要加连字符 “-”

 twenty-five, sixty-five, ninety-nine

101~999

百位与十位之间通常用and

 three hundred and twenty-five(美语中常将and省略)

千以上

 

 6275six thousand two hundred and seventy-five1200twelve hundred

       (二)序数词:表示顺序的数词为序数词,它的构成如下表:

 

 

   

 

1~19

各基数词尾加th

其中七个例外:first, second, third, fifth, eighth, ninth, twelfth, 其余,如:four forth, six sixth, nineteen nineteenth

 

20,30~90

yi后加eth

 twentieth, fortieth, ninetieth

 

21以后多位数

最后一个数用序数词,其余用基数词

 21st twenty-first, 110th one hundred and tenth

 

 

 

示例

英语表示法

2001630

June 30,2001  30June,2001  30thJune, 2001

725

seven twenty-five  twenty-five past even

12:54

twelve fifty four  six to one

9:15

nine fifteen  a quarter past nine

2:30

two thirty  half past two

21:50

twenty-one fifty  9:50p.m.

21

twenty-first

123

one hundred and twenty-third

a half

two and two-fifths

20%

20 per cent  20 percent

第七路公共汽车

Bus Number Seven

201房间

Room 201

人民路153

153 Renmin Road

4+8 =12

Four plus eight is twelve

11-7=4

Eleven minus seven is four.

6×5=30

Six times five is thirty.

20÷5=4

twenty divided by five is four.

AB

A is more than B.

AB

A is less than B.

AB

A is approximately (近似地, 大约)equals to B.

AB

A is not equal to B.

2.约数表示法列表

含义

英语表达

例句

大于某数

more than

He has lived here for more than twenty years.

 

over

she is over fifty.

 

or more

There're thirty people or more in the meeting-room.

小于某数

less than

I have less than (not more than )fifty dollars.

 

under

Children under seven are not allowed to enter.

 

below

He would not sell it for below a hundred fifty dollars.

 

or less

The coat might cost him sixty dollars or less.

大约(某数)

nearly

She is nearly fifty now.

 

almost

Its almost three o'clock.

 

up to

Up to ten men can sleep in this tent.

 

or

He spent four or five days writing the article.

 

or so

The distance is twenty miles or so.

 

about

I visited that village about three years ago.

 

some

Their team has some four or five players.

 

more or less

The container can hold more or less twenty pounds of water.

 

around/round

Let's make it round/around eight o'clock.

3.不定数量词“多”的表示法列表

被修饰名词的数

英语表达

汉译

修饰可数名词

dozens of

几十、许多

 

scores of

许多

 

many, a good(great) many, many a (饰单数可数名词)

许多、大量

 

hundreds of

数以百计

 

thousands of ,thousands upon thousands of

成千上万

 

millions of

数百万

 

billions of

亿万

修饰不可数名词

much , a great (good)deal of ,

a large amount of ,large amounts of

许多、大量

修饰可数名词或不可数名词

a lot of /lots of ,plenty of,   a large quantity of ,

large quantities of

许多、大量

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