英语基础必备系列-数词

1、词法大全（四）-数词contents基数词序数词分数、小数、百分数时间的表达日期的表达大显身手数词20-99twenty twenty-one twenty-twotwenty-three基数词0-12zero one two three four five six seveneight nineten eleven twelve13-19thirteenfourteenfifteensixteenseventeen eighteen nineteentwenty-fourtwenty-five twentysixtwenty-seventwenty-eighttwenty-ninethirt

2、y forty fifty sixtyseventy eighty ninety100及以上one hundred one hundred and oneone hundredand two数字的英文读法hundredthousand million billion284two hundred and eighty-four5599five thousand five hundred and ninety-nine3758590three million seven hundred and fifty-eightthousand five hundred and ninety728939349

3、00seventy-two billion eight hundred andninety-three million nine hundred and thirty-fourthousand and nine hundred注意three hundred thousand hundreds of thousands of millions of billions ofseveralfive thousandeight million数以百计的，成百上千的数以千计的，成千上万的数百万的，成百上千万的数十亿的序数词firstsecondthirdfourthfifthsixthseventhei

4、ghthninthtenthtwentiethsixtietheightieththirty-firstforty-secondfifty-ninth基变序，有规律，一、二、三，个别记;-th从四起,八加-h,九去一e；-ve要用-f替，以y结尾变-ie；几十几，几百几，首词不变尾变序。注意序数词前通常加the,如the first如序数词前有物主代词，则不加the,如my second english teacher分数 读法：分子用基分母序分子大于1,分母用复数1/2 a half1/3 one third1/4one fourth 或 a quarter2/3 two thirds百分数

5、读法：数字+percent30% thirty percent小数读法：数字+point +单个数字0. 1zero poirrt 10.01zero point zero one12. 53twelve point five three超级考点70 percent of the earth， s surface is waterthree fourths of the students are from america. 主语中包含分数时，谓语动词的单复数与分数无关。时间的表达3:00three o， clock直接表达法2:35two thirty-five8:49eight forty-

6、nine间接表达法前半小时（包括半小时）4:20twenty past four9:30thirty past nine or half past nine后半小时7:35twenty-five to eight11:45 fifteen to twelve or a quarter to twelve日期的表达美式 july 10 (th), 2011 读法：july the tenth, two thousandand eleven英式 10th july, 2011读法：the tenth of july, twothousand and eleven大显身手6485880000 9:4

7、0 7:15 2008年8月8日1. what's the date today?t，s .a. friday b time to goc. cloudy d. june 4th2 look! there are in the sky.a. thousand stars b thousand of starsc thousands of stars d thousands of star3 my brother is in a. three class, one grade b class three, grade onec grade one, class three d class three, grade one4 now let me have a. the third try b a third tryc third try d this third try5 only three percent of the coats perfecta. is b arec have d haskey： six hundred and forty-eightfive million eight hundred and eighty thousand