一、知识点总结
数词分为基数词和序数词两种;
(一)基数词在英语中表示数目的词称为基数词。
1.基数词的构成
(1)1-20:one,two,three,four,five,six,seven,eight,nine,ten, eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先说几十,再说几,中间加连字符。
23twenty-three,34thirty-four,
(3)101999先说几百,再加and,再加末两位数或末位数;
586five hundred and eighty-six,803eight 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million,第三个,前为billion,然后一节一节地表示。
9,785nine thousand, seven hundred and eighty-five
6,260,309six million two hundred and sixty thousand three hundred and nine
750,000,000,000seven hundred and fifty, billion
2.基数词的用法
(1)表示数量
Eg. 一 How many books would you like?
一I would like two.
(2)表示号码
eg.My phone number is 6887789.
(3)表示时间
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