1、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Wha
2、t 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 girls400-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 630
3、0 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 repu
4、blic.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 Dujias
5、han.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 : 5523475. 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 onethe third squad-squad threethe twenty-third section-section twenty-three
