1.英語中表示數(shù)目的詞為基數(shù)詞,基數(shù)詞中最基本的是下面這些,所有其他數(shù)詞都可以由這些構(gòu)成:
I II III IV
1-one 11-eleven 20-twenty 100
2-two 12-twelve 30-thirty a hundred
3-three 13-thirteen 40-forty 1,000
4-four 14-fourteen 50-fifty a thousand
5-five 15-fifteen 60-sixty 1,000,000
6-six 16-sixteen 70-seventy a million
7-seven 17-seventeen 80-eighty 1,000,000,000
8-eight 18-eighteen 90-ninety a billion
9-nine 19-nineteen
10ten
2.其他基數(shù)詞的構(gòu)成方式歸納如下:
1)21—99:先說“幾十”,再說“幾”,中間加連字號:
38-thirty-eight 96-ninety-six
2)101—999:先說“幾百”,再加and,再加末兩位數(shù),或末位數(shù):
217-two hundred and seventeen 809-eight hundred and nine
3)1000以上的數(shù),先從后往前數(shù),每三位加“,”,第一個“,”號前為thousand,第二個“,”號前為million,第二個“,”號前為billion(十億)。然后一節(jié)一節(jié)地表示(hounded,thousand等詞都用單數(shù)形式):
2,003-two thousand and three
9,945-nine thousand.nine hundred and forty-five
174,300 one hundred and seventy-four thousand and three hundred
4,500,000-four million and five hundred thousand
1,300,000,000-one billion and three hundred million
40,000,000,000-forty billion