句法结构分析

For those rare circumstances when you must deal with it, the channel SPI package is summarized in Appendix B.

句法结构如何分析？

逗号前的分句是做整个句子的状语成分，但是我没弄懂For those rare circumstances when you must deal with it的句法结构

For those rare circumstances (when you must deal with it)

when引导定语从句，也可以用where，先行词中心词为circumstances。

huck finn - 语言学爱好者

擅长：语言学 | 采纳率 55% | 回答于 2022-10-23 11:19

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