基数词序数词.ppt

CardinalnumbersandOrdinalnumbers基数词也可以表示顺序和编号，放在“房间”“页”“章”或“电话号码”等名词后面。Room405：读作roomfouro[?u]five第405房间Page40:读作pageforty第四十页小口诀基数词不难记，找清规律很容易，十二以内词各异，十三到十九，后加-teen莫忘记。二十三十…….至九十，整十之后有-ty要说“九十九”，中间“-”号别丢弃，【21-99】{先说“几十”再说“几”，中间加连字号}hundred是“一百”，请你记住莫大意。注：1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillion以“千”为单位,从右向左三逗开，一逗千，二逗百万。1.100onehundred125onehundredandtwenty-five534fivehundredandthirty-four598先读几百，再读几十（几）2.1000onethousand2,125twothousand,onehundredandtwenty-five1026onethousandandtwenty-six749332,125thirty-twothousand,onehundredandtwenty-five12,312先说千，再加“，”，然后说百和几十（几）3.1，000,000onemillion(百万)1,200,026onemillion,twohundredthousandandtwenty-six5,325,125fivemillion,threehundredandtwenty-fivethousand,onehundredandtwenty-five7,899,988电话号码：53810921five,three,eight,one;o,nine,two,oneO可读作zero,也可以是[?u]Ordinalnumbers序数词表示次序。Allthingsaredifficultbeforethey’reeasy.

凡事必先难后易。序数词前一般要加定冠词“the”.Thereare_____monthsinayear.Octoberisthe_____month.A.twelve;tenB.twelfth;tenthC.twelve;tenthD.twelfth;ten巧学妙记一二三特别记，其余后加-th.八减t（eigth），九去e(ninth)f要将ve替(twelfth)。y变为ie,然后再加th(twentieth)“几十几”面前要注意，个位序数要牢记【十位数基数词，个位数序数词31thirty-first】。1.1-3firstsecondthird2.4-125,8,9,12特殊fifth,eighth,ninth,twelfth其余加基数词后面加th，seventh3.13-19teen后加ththirteenth4.20,30,40….90y变为ie加th,ninety-ninetieth5.21,22….99十位是基数词，个位是序数词31thirty-first53fifty-thirdPractice1.Mybirthdayisonthe______(twenty)ofSeptember.2.Thisismy_____(one)dayinNanjing.3.Therearesomebikesoverthere.The_____(three)oneismine.4.Thursdayisthe____(five)dayofaweek.5.Daniellivesonthe______(nine)floorofthebuilding.