英语数词用法ppt

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1、数词的用法1-2-ByJoana数词是什么?都在哪里出现呢？怎么读?怎么用?房门号,电话号码年份日期时间温度价格标签算术.....哈哈，还有我的工资....数词的用法-基数词&序数词数词:num.可对名词作修饰限定作业，用法跟adj.类似基数词：个数one，two,three序数词：顺序first,second,third基数词&序数词变化技巧基数词规则：十几-teen结尾；几十-ty结尾序数词规则：first(1st)second(2nd)third(3rd),其他基数词末尾加th第几十-变y为i+eth基数词序数词-简写基数词序数词-简写1onefirst1st1

2、2twelvetwelfth12th2twosecond2nd13thirteenthirteenth13th3threethird3rd14fourteenfourteenth14th4fourfourth4th15fifteenfifteenth15th5fivefifth5th16sixteensixteenth16th6sixsixth6th17seventeenseventeenth17th7sevenseventh7th18eighteeneighteenth18th8eighteighth8th19nineteennineteenth19th9ninen

3、inth9th20twentytwentieth20th10tententh10th21twenty-onetwenty-first21st11eleveneleventh11th22twenty-twotwenty-second22nd基数词序数词-简写基数词序数词-简写30thirtythirtieth30th70seventyseventieth70th40fortyfortieth40th80eightyeightieth80th50fiftyfiftieth50th90ninetyninetieth90th60sixtysixtieth60th100hund

4、redhundred100th101onehundredandoneonehundredandfirst101st1000onethousandonethousandth1000th数字的读法0-99数字，参考表格读法100以上数字的读法：百和后面的数字之间要加and108读作：onehundred(and)eight132读作：onehundred(and)thirty-two1000以上数字的读法读的时候从右到左，每3个数为一个单位，分别对应thousand(千),million(百万),billion(十亿),trillion(兆)；这些单位都没有复数形式不能加

5、s。1，356，712，347数字读法练习+快速反应中文数字练习模板39754，3973，654，39721，483，654，3978763232577647278799321478429034543925187352045001.threehundredandninety-seven三百九十七2.fifty-fourthousand/threehundredandninetyseven五万四千三百九十七3.threemillion/sixhundredandfifty-fourthousand/threehundredandninetyseven三百六十五万四千三百

6、九十七4.twentyonebillion/fourhundredandeighty-threemillion/sixhundredandfiftyfourthousand/threehundredandninety-seven二百一十四亿八千三百六十五万四千三百九十七小数点的读法小数点读成point小数点以后的数字可一个个分开读，有2位数也习惯一起读;0读成zero或O4.56读成fourpointfivesix0.45读成zeropointfourfive常识扩展：金额dollar美元，cent美分，符号$,1dollar=100centspound英镑,penn

7、y便士（复数pence），符号￡，1pound=100penceeuro欧元，cent分，符号€，1euro=100centsyen日元(没复数)，￥(一杠)RMB人民币¥（二杠）$2.20twodollars（and）twenty（cents）或twopointtwentydollars￡5.30fivepounds,thirty(pence)或fivepointthirtypounds分数的读法表示几分之几:分数要先读分子，分子-基数词，再读分母-序数词，分子为2及以上的时候分母序数词要用复数1/5onefifth2/5twofifths3/4t