英语广场
首页 > 英语广场 > 学习空间 > 英语语法 > 正文

线话语法讲堂:数词(初中)

线话英语|2015-05-11 16:23:42

  数词

  (一)基数词 在英语中表示数目的词称为基数词。 内容来自

  1.基数词的形成

CopyRight .com

 

  (1)1-20

内容来自

 

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

  sixteen,seventeen,eighteen,nineteen,twenty

CopyRight .com

 

  (2)21-99 先说“多少十”,再说“几”,旁边加连字符。 CopyRight .com

  23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one

 

 

  (3)101—999先说“多少百”,再加and,再加末两位数或末位数;

  586→five hundred and eighty-six,803→eight hundred and three

 

 

  (4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为

内容来自

 

  million,第三个“,”前为billion(美式)或thousand ,million(英式),而后一节一节地表示。

 

 

  1,001→one thousand and one CopyRight .com

  9,785→nine thousand, seven hundred and eighty-five 内容来自

  18,423→eighteen thousand,four hundred and twenty-three CopyRight .com

  6,260,309→six million two hundred and sixty thousand three hundred and nine 内容来自

  750,000,000,000→seven hundred and fifty, billion(美式) seven hundred and fifty thousand million(英式)

 

 

  2.基数词的用法

CopyRight .com

 

  (1)作主语

内容来自

 

  eg.Four Of them come from Paris.

  (2)作宾语

内容来自

 

  eg.一 How many books would you like?

CopyRight .com

 

  一I would like two.

内容来自

 

  (3)作表语

内容来自

 

  eg.Seven minus two is five.

内容来自

 

  (4)作定语

内容来自

 

  eg.There are three people in my family· CopyRight .com

  (5)作同位语

内容来自

 

  eg. You two will go swimming with us. CopyRight .com

  (6)表具体数字时,hundred,thousand,million用单数。 CopyRight .com

  eg. There are six hundred students in our grade.

CopyRight .com

 

  (7)表一直定的数字时,数词用复数。若带名词,再加of hundreds of(数百,成千盈百的),thousands of(数干,成千上万的),millions of(数百万)

CopyRight .com

 

  eg,They arrived in two sand threes.他们三三两两地来了。

  (8)表示“…十”的数词的复数能够表示人的岁数或年代。

内容来自

 

  eg. He is in his early thirties.他有三十来岁(31—34岁): 内容来自

  This took place in the 1930s.这事发生在二十世纪三十年代;

CopyRight .com

 

  (9)表示时刻

CopyRight .com

 

  eg.I watch CCTV News at seven o’clock every evening. CopyRight .com

  (二)序数词 在英语中表现顺序、次序的词称为序数词。

内容来自

 

  1.序数词的构成

 

 

  (1)一般在基数词后加th

 

 

  eg.four→fourth,thirteen→thirteenth

内容来自

 

  (2)不规则变革

内容来自

 

  one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve——~twelfih

内容来自

 

  (3)以y结尾的十位整数,变y为ie再加th

CopyRight .com

 

  twenty→twentieth, forty→fortieth, ninety→ninetieth

  (4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数词。

  twenty-first,two hundred and forty-fifth

内容来自

 

  2.序数词的用法 内容来自

  (1)序数词作定语时,个别要与定冠词或物主代词连用。

内容来自

 

  eg.Tom is their second son.

内容来自

 

  He is the first one to come here.

CopyRight .com

 

  (2)序数词有时可与不定冠词连用,表示数量上“又—”,“再一”

  eg: He tried a second time.他又试了—次。 内容来自

  Shall l ask him a third time?还要我再问他—次吗?我已问了他两次) CopyRight .com

  (3)序数词的缩写形式为:阿拉伯数字加上这个词的末尾两个字母。

内容来自

 

  1st 2nd,3rd,4th,20th,21st,22nd,23rd

内容来自

 

  (4表示年、月、日时,年用基数词,日用序数词。 内容来自

  2005年8月15日:(英)15,8,2005=15th,August,2005;(美)8,15,2005=August 15th,2005 内容来自

  (三)基数词跟序数词都可能用来给数字编号。

 

 

  No.1(1号),No.3bus(3路公共汽车),Room 103,(103号旁间)

CopyRight .com

 

  The first lesson=Lesson Two(第二课) 内容来自

  (四)分数词的表白

 

 

  分子用基数词,分母用序数词,分子大于1时,分母加s

 

 

  eg.1/3-one third;2/5-two fifths

  (五)数学运算的抒发

  eg.3+5=8 Three plus/and five is eight. 内容来自

  9-2=7 Nine minus two is seven. CopyRight .com

  6x5=30 Five times six is thirty /six unutilized five is thirty.

 

 

  8÷2=4 Eight divided by two is four.

线话英语:www.linewow.com

 

由英语口语教材提供  线话英语:www.linewow.com
免费预约
258元外教一对一试听课
每日新闻
>
每日一歌
>