专题六 数词
考点一 基数词和序数词
衡阳中考单项选择对数词的考查较少，但由于数词属于英语学习中的基础语法，考生应该掌握其基本用法，并能够灵活运用。
1. 基数词和序数词的变化形式
one→first eleven→eleventh twentyone→
twentyfirst two→second twelve→twelfth twentytwo→
twentysecond three→third thirteen→thirteenth twentythree→
twentythird four→fourth fourteen→fourteenth thirty→thirtieth five→fifth fifteen→fifteenth forty→fortieth six→sixth sixteen→sixteenth fifty→fiftieth seven→seventh seventeen→seventeenth sixty→sixtieth eight→eighth eighteen→eighteenth seventy→seventieth nine→ninth nineteen→nineteenth eighty→eightieth ten→tenth twenty→twentieth ninety→ninetieth基数词变序数词变化规则
