1~30的基数词和序数词英语

1~30的基数词和序数词英语：基数词有：one,two,three,four,five,six,seven,eight,

nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,ninteen,twentytwenty one,twenty two,twenty three,twenty four,twenty five,twenty six,twenty seven,twenty eight,twenty nine,thirty.

下边再说序数词：first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,

eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,twentieth,twentyfirst,twenty,second,twentythird,twentyfourth,twentyfifth,twentysixth,twentyseventh,twentyeighth,twenty ninth,thirtieth

由此可见技巧序数词除了遇到1,2,3会有特殊的变动，变为first，second，third剩下的只要在基数词后边加th就可以，不过遇到5,8时，会变为fifth和eighth，遇到整数时，结尾把y变i，再加th。