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1到30英语单词序数词基数词 如何将基数词变为序数词

一、1到30英语单词序数词基数词

1~30的基数词

1到30英语单词序数词基数词 如何将基数词变为序数词  英语辅导  第1张

1~30的基数词依次为one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty,twenty-one,twenty-two,twenty-three,twenty-four,twenty-five,twenty-six,twenty-seven,twenty-eight,twenty-nine,thirty。

1~30的序数词

1~30的序数词依次为first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,twentieth,twenty-first,twenty-second,twenty-third,twenty-fourth,twenty-fifth,twenty-sixth,twenty-seventh,twenty-eighth,twenty-ninth,thirtieth。

二、将基数词变为序数词

将基数词变为序数词,通常会在基数词后加th,比如基数词四是four,其序数词是fourth。

不过,并非所有序数词都如此。一、二、三的序数词比较特殊。一的序数词是first,二的序数词是second,三的序数词是third。五、八、九、十二的序数词也比较特殊,五的序数词是fifth,八的序数词是eighth,九的序数词是ninth。到了20之后的数字,比如23,就是twenty-third。

以此类推,我们就能写出所有的序数词。

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