走名初第三次课——数词(Eva).ppt

How many? Numeral 概 念: 基数词： 表示数目的词 序数词： 表示顺序的词 基 数 词： 1~10 one two three four five six seven eight nine ten 11~19 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20~99 twenty thirty forty fifty sixty seventy eighty ninety 几 十 几 21 76 68 49 几十 个位 之间加连字符“—” 百位数： 101 320 几百： 200 500 几百几： 648 850 one hundred and one three hundred and twenty 1~9基数词+hundred，表示 几百 two hundred five hundred 几百与几十几之间加上and six hundred and forty-eight eight hundred and fifty 千位数： 数字： 从右往左，每三位加一个“，” 英文： 从右往左， 第一个“，”前的数字后加thousand，第二个“，”前的数字后加million，第三个“，”前的数字后加billion 小试牛刀 1，126 one thousand one hundred and twenty-six 3，345 three thousand three hundred and forty-five 6，800 six thousand eight hundred 9，303 nine thousand three hundred and three 5，648 five thousand six hundred and forty-eight 小试牛刀 7,654,321 seven million six hundred and fifty four thousand three hundred and twenty-one 1,987,654,321 one billion nine hundred and eighty-seven million six hundred and fifty-four thousand three hundred and twenty-one 表示具体数字： 数词 表示概数： hundreds thousands millions billions 练一练 1. — If a = 3, b=4, what’s the answer to the problem, a+2ab+1=? — the answer is___. A. twenty eight B. twenty-eighth C. twenty-eight 2. Many __ sheep were killed in the accident. A. thousands of B. thousand C. thousands 3. There are over nine __ workers in the factory, but __ of young people hope to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred 1~19 由相应的基数词后面加“th”构成，特殊除外 20~99 几十： 变相应基数词词尾y为i，加“eth”构成 几十几： 几十的基数词加上“-”，再加个位序数词 一百以上： 变基数词词尾为序数词形式 2008 2010 月： 在五月 在七月 在十月 日： 五月五日 三月一日 two thousand and eight two thousand and ten 用介词in，表示在哪个月 in May in July in October 用定冠词the加序数词表示，在哪一天加介词on the fifth of May