序数词表

序数词表

Ⅰ 1 first（1st) 2 second(2nd) 3 third(3rd) 4 fourth(4th) 5 fifth(5th) 6 sixth(6th) 7 seventh(7th) 8 eighth(8th) 9 ninth(9th) 10 tenth(10th) Ⅱ 11 eleventh(11th) 12 twelfth(12th) 13 thirteenth(13th) 14 fourteenth(14th) 15 fifteenth(15th) 16 sixteenth(16th) 17 seventeenth(17th) 18 eighteenth(18th) 19 nineteenth(19th) Ⅲ 20 twentieth(20th) 30 thirtieth(30th) 40 fortieth(40th) 50 fiftieth(50th) 60 sixtieth(60th) 70 seventieth(70th) 80 eightieth(80th) 90 ninetieth(90th) 序数词的构成

（1）两位数的词，只需把个位数变为序数词：

第二十二 twenty-second 第三十一 thirty-first 第七十五 seventy-fifth

（2）三位数以上的词，只把最后的两位数变为序数词： 第一百五十 one hundred and fiftiety 第一百六十七 ninehundred and sixty-seventh