2 it was not long before 句型分析
The idea soon reached to conviction, as she observed his increasing civilities toward herself, and heard his frequent attempt at a compliment on her wit and vivacity; and though more astonished than gratified herself by this effect of her charms, it was not long before her mother gave her to understand that the probability of their marriage was exceedingly agreeable to her.
请教老师：这里long before是副词词组，her mother 之前是省略了that, 即that her mother gave her to...整个一句是形式主语it(it was not long before)的真正主语吧？
最佳答案 2021-07-18 17:30
你的分析不对。It is not long before... 句式通常应这样理解：
it=主语
is=系动词
not long=表语（long 是时间副词，作表语）
before=时间状语
句意：在……之前，时间并不久。
例句：
It is not long before he comes back. 过不了多久他就会回来。
It was not long before he came back. 没过多久他就会回来了。
It was not long before he sensed the danger. 他不久就意识到了危险。
It was not long before I realised the enormity of my faux pas. 没过多久，我就意识到自己有多么失态。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。
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