基数词和序数词(3 页)Good is good, but better carries it.精益求精,善益求善。基数词和序数词 一、基本构成(一)基数词——从 1 数到 n 阿 1.1—12 的基数词是独立的单词,即: one,two,three,four,five,six,seven,eight, nine,ten,eleven,twelve。 2.13—19 的基数词以-teen 结尾。如: fourteen,seventeen 等,但 13,15,18 较特别, 13—thirteen 15—fifteen 18—eighteen。 3.20—90 的整十位均以-ty 结尾。如: sixty,ninety,但 20,30,40,50,80 较特别, 20—twenty, 30—thirty, 40—forty ,50—fifty ,80—eighty。 4.十位数与个位数之间要加连字符号“-”,如:28—twenty-eight,96—ninety-six。 5.百位和十位(若无十位则和个位)之间加 and,如:148—one hundred and forty-eight ,406—four hundred and six。 6.hundred(百),thousand(千),million(百万),billion(十亿)等前面即使有具体的数词,也不能在它们的后面加s。如:600—six hundred,8 百万—eight million。 7.1000 以上的数字,从后往前数每三位加一个逗号“,”第一个逗号前为千(thousand),第二个逗号前为百万(million),第三个逗号前为 billion(十亿)。英语中无“万”这个词,我们可以用“几十个千(thousand)”表示几万,“几百个千(thousand)”表示“几十万”。如:2,510=two thousand five hundred and ten;84,296=eighty-four thousand two hundred and ninety-six;274,350=two hundred and seventy-four thousand three hundred and fifty。 8.hundred,thousand,million 用复数形式修饰名词时要用“of+复数名词”,如:数以百计的年轻人hundreds of young people;数以千计的书 thousands of books。注意:hundreds of /thousands of/millions of +复数名词,其前面不能加具体的数词,但可加 several 或 many。 hundreds of new buildings have sprung up here this year. thousands upon thousands of people in south africa are rising against their oppressors. thousands and thousands of people come to visit the city every day. millions of dollars have gone into the building of this factory. (二)序数词——由基数词转变而来,表示“这是第 n 个” 1.口...