数词的具体用法
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数词的具体用法
数词的具体用法
数词的具体用法
(1)倍数表示法
a.主语+谓语+倍数(或分数)+ as + adj.+ as
I have three times as many as you.我有你三倍那么多.
b.主语+谓语+倍数(分数)+ the size (amount,length…) of…
The earth is 49 times the size of the moon.地球是月球的49倍.
c.主语+谓语+倍数(分数)+ 形容词(副词)比较级+ than…
The grain output is 8 percent higher this year than that of last year.今年比去年粮食产量增加8%.
d.还可以用by+倍数,表示增加多少倍
The production of grain has been increased by four times this year.今年粮食产量增加了4倍.
(2)分数表示法
构成:基数词代表分子,序数词代表分母.分子大于1时,分子的序数词用单数,分母序数词用复数:
1/3 one-third ; 3/37 three and three-sevenths.