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初中英语数字读法总结

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初中英语数字读法总结一、 数词的分类1. 基数词表示数目的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为特殊形式外,fourteen,sixteen,seventeen,nineteen都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为特殊形式外,sixty,seventy,ninety都是其个位数形式后添加后缀-ty构成表示几十几时,在几十和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.千位数以上从数字的右端向左端数起,每三位数加一个逗号“,”。

从右开始,第一个“,”前的数字后添加 thousand,第二个“,”前面的数字后添加 million,第三个“,”前的数字后添加 billion然后一节一节分别表示,两个逗号之间最大的数为百位数形式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.基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,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.大厅里有数以百计的人Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day.每天有成千上万的人来参观秦兵马涌博物馆。

They went to the theatre in twos and threes.他们三三两两地来到了剧院G.表示人的不确切岁数或年代,用几十的复数形式表示He became a professor in his thirties.他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.那是在二十世纪六十年代H.基数词的句法功能基数词在句中可作主语、宾语、定语、表语、同位语The two happily opened the box.两个人高兴地打开了盒子作主语)I need three altogether.我总共需要三个作宾语)Four students are playing volleyball outside.四个学生在外面打排球作定语)We are sixteen.我们是16个人作表语)They three tried to finish the task before sunset.他们三个人尽力想在日落前完成任务作同位语)1,125,000 读作: one million one hundred and twenty-five thousand13,500 读作: thirteen thousand five hundred。

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