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。

23→twenty-three,34→thirty-four,

(3)101—999先说“几百”，再加and,再加末两位数或末位数;

586→five hundred and eighty-six,803→eight 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。

9,785→nine thousand, seven hundred and eighty-five

6,260,309→six million two hundred and sixty thousand three hundred and nine

750,000,000,000→seven hundred and fifty, billion