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序数词口诀
更新时间: 2021-06-03 03:41:25  

1、“基”变“序”很容易,词尾加上“th”。

2、“一”二“三”无规律,理应单独来记忆。

3、“八”减“t”、“九”去“e”,“f”来把“ve”替;“二十”到“九十”,“ty”变成“tie”。

4、若是遇到“几十几”,只变个位就可以。

5、说明:

(1)基数词变序数词时,通常是在词尾加上后缀-th。如:four→fourth, seven→seventh, eleven→eleventh等。

(2)one, two, three的序数词分别是first, second和third,必须逐个记忆。

(3)eight的序数词加h即可(eighth), nine在变ninth时应去掉e, five和twelve在加th之前要先把ve变为f, 即为fifth, twelfth。

(4)twenty, thirty, forty, fifty, sixty, seventy, eighty和ninety这些整十的基数词在加th之前应先将y变为ie。

(5)“几十几”的基数词在变序数词时,只要把个位数变为序数词即可,而十位数、百位数、千位数等不变。如:forty-three→forty-third, two hundred and six→two hundred and sixth等。

关键词: 数词 口诀

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