it takes sb to do sth 是什么结构和含义呢?

In 1919, President Woodrow Wilson had a stroke and his second wife Edith essentially ran the country for 18 months.

By that point, the 25th Amendment was long overdue

but it took the Kennedy assassination to get it written.

And it didn't get used by a president for another two decades when President Reagan had a 1985 surgery

but it got it's real test two years later.

上面it takes sb to do sth 是什么结构和含义呢？另外，when可否换成until, 或before ?

我感觉用until或before都可以。

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分类：句式分析

最佳答案 2021-02-01 15:33

but it took the Kennedy assassination to get it written.

take在此的语义为：require，need, make use of. 需要、利用、用。

句首的it为形式主语，to get it written为真正主语。这里的it指代 the 25th Amendment（第25修正案）。句子直译为，重写第25修正案需要肯尼迪遇刺（这样的契机）。意译：肯尼迪遇刺导致了重写第25修正案。

And it didn't get used by a president for another two decades when President Reagan had a 1985 surgery

这个when=and then, 这就是有人认为的并列连词when.

从紧接着的下一句but it got it's real test two years later.可以推知，里根手术时并没有真正启动第25修正案。所以，when改为until是不适宜的，因为until表示一种持续情况终止的时间点。而里根手术并没有真正启动该修正案。我认为也没有理由把when改为before。因为用并列连词when, 句子的重点在于里根手术本可以启动该修正案，但却并没有真正启动。用before则暗示里根手术导致启动该修正案。我觉得阅读英文时，不要随意改动原文的用词，而应该体会原文为什么用了某个词。如果通过本句你知道when还有类似并列连词的用法，就是一个收获。

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曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2021-01-28 16:53

it takes sb to do sth 是什么结构和含义呢?

最佳答案 2021-02-01 15:33

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