一、 数词得分类1、 基数词表示数目得词称为基数词。其形式如下:A.从 1——10one,two,three,four,five,six,seven,eight,nine,ten.B.从 11——19eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen.这里除 eleven, twelve, thirteen, fifteen, eighteen为特别形式外,fourteen,sixteen,seventeen,nineteen 都就是由其个位数形式后添加后缀-teen 构成。C.从 21——99整数几十中除 twenty,thirty, forty,fifty,eighty 为特别形式外,sixty,seventy,ninety 都就是其个位数形式后添加后缀-ty 构成。表示几十几时,在几十与个位基数词形式之间添加连字符“-”21 twenty-one76 seventy-sixD.百位数个数基数词形式加“hundred”,表示几百,在几十几与百位间加上 and.101 a hundred and one320 three hundred and twenty648 six hundred and forty-eightE.千位数以上从数字得右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个“,”前得数字后添加 thousand,第二个“,”前面得数字后添加 million,第三个“,”前得数字后添加 billion。然后一节一节分别表示,两个逗号之间最大得数为百位数形式。2,648 two thousand six hundred and forty-eight16,250,064 sixteen million two hundred and fifty thousand sixty-four5,237,166,234 five billion,two hundred and thirty-seven million,one hundred and sixty-six thousand,two hundred and thirty-fourF.基数词在表示确切得数字时,不能使用百、千、百万、十亿得复数形式;但就是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。There are hundreds of people in the hall.大厅里有数以百计得人。Thousands and thousands of people e to visit the Museum ofQin Terra-Cotta Warriors and Horses every day.每天有成千上万得人来参观秦兵马涌博物馆。They went to the theatre in twos and threes.她们三三两两地来到了剧院。G.表示人得不确切岁数或年代,用几十得复数形式表示。He became a professor in his thirties.她三十多岁时成为了教授。She died of lung cancer in forties.她四十来岁时死于肺癌。It was in the 1960s.那就是在二十世纪六十年代。H.基数词得句法功能基数词在句中可作主语、宾语、定语、表...
