精选优质文档-倾情为你奉上数词序数词的构成序数词的构成序数词多数由基数词-th构成，序数词前一般加定冠词the少数序数词构成属特殊情况e.g. One-first two-second three-third five-fifth eight-eighth nine-ninth twelve-twelfth以y结尾的十位整数，先将y改为i，再加-eth e.g. thirty-thirtieth21以上的多位数，要将末位数改为序数词，前面其他位数仍用基数词e.g. eighty-three-eighty-third nine hundred and sixty-two-nine hundred and sixty-second序数词的缩写形式由阿拉伯数字加序数词的后两个字母构成e.g. first-1st second-2nd序数词在句中的用法序数词的用法作主语 e.g. The third of the month was a holiday.作表语 e.g. Who was
