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英语学习:数词的基本用法

发布时间:2016-02-29  编辑:查字典英语网小编

  英语学习:数词的基本用法

    (一)基数词的基本用法

    1.定语

    Fifty thousand London dockers are out on strike.

    2.主语

    数词作主语,谓语动词用单数。

    如: Two months is quite a long time.

    Five is an odd number.

    3.宾语或介词宾语

    How many do you want? -----Eight, please.

    The city has a population of four million.

    4.表语

    We are altogether fourteen.

    Five plus seven is twelve.

    5.同位语

    What work are you to assign us three?

    Is there room for us two?

    6.基数词+单数名词+形容词构成合成形容词。如:一个五岁的男孩a five-year-old boy;一座800米长的桥an 800-metre-long bridge;女子400米接力girls'400-metre relay race。

    7.句型:主语+is +about(大约)/ over =more than(超过)/nearly(接近)+具体数词+metre(s)/kilometre(s)/kilo(s)long / high /tall /deep /away等。如:长江长6300公里。

    The Changjiang River is 6,300 kilometres long.

    8.表示。。。。。。十的数词的复数形式可以用来表示人的岁数或年代:

    He is in his early thirties.

    He died still in his forties.

    This took place in the 1930s.

    (二)序数词的基本用法

    1.序数词主要用作定语,前面一般要加定冠词(或物主代词):

    Tom is their second son.

    They celebrated the 10th anniversary of the founding of the republic.

    I will never give up, not even on the 1,000th or 10,000th try.

    2.有时前面可以加一个不定冠词来表示再一, 又一这样的意思:

    Well have to do it a second time.

    Shall I ask him a third time?

    When I sat down, a fourth man rose to speak.

    3.First,second 等有时可用来表示第一个人(批)第二个人等:

    She was among the first to come and settle in Dujiashan.

    You will be the second to speak.

    4.如果数字较长,序数词总避免使用,而且读的方法也常常简化:

    第201房间: Room 201

    第319面: page 319

    第一拖拉机厂:the Number I Tractor Works

    第六号车厢:Carriage No.6

    南京路1490号:1490 Nanjing Road

    电话号码55――2347:telephone number : 552347

    5. 在谈编了号的东西时,我们可以用基数词表示顺序:

    the first part------part one

    the third squad------squad three

    the twenty-third section----section twenty-three

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