twice as...as表倍数比较的用法

In 1992 twice as many fourth babies were boys as were girl？

老师，这句第二个as还是联系用法吗？

As many girls as he knew were teachers.

这句第二个as是关系代词。

那么像这两用法怎么区别呢？

【1】In 1992 twice as many fourth babies were boys as were girls.

参考译文:在1992年出生的第四胎婴儿当中，男孩的数量是女孩数量的二倍。

备注(1):以上句子使用twice as A as B 意思“A是B的两倍”

【1】twice as many+复数名词...+as...

【2】twice as much+不可数名词...+as...

【3】twice as adj./adv.+as...

备注(2):以上3种结构都是表示倍数表达，但网友提供句子使用第1种结构表达。

【2】As many girls as he knew were teachers.

参考译文:他所认识的女孩子都是教师。

备注:第2个as为关系代词引导定语从句，as代替先行词“as many girls”并在定语从句作谓语动词knew的宾语成分。

As many girls【主语】// as he knew【定语从句】// were【系动词】// teachers【表语】.

类似于以上句子结构例句供网友参考

As many people as came here were caught. 凡是来这里的人都被抓住了。

陈才 - 英语教师

擅长：中考英语,词法问题 | 采纳率 28% | 回答于 2023-05-05 10:29

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