这些句子为什么要加 it - 柯帕斯英语网

1. Filostator, whose turn it was to tell a story,began to speak.

这里为何不能是whose turn was to tell a story.

2. When they proceed from some cause which it is impossible for us to detect.

这里为何不能是which is impossible for us to detect?

3. The tall man,whose plan it was to escape,disagreed with us.

为何不能是 whose plan was to escape.

这三个句子为何要加it，不加可不可以？

【1】 Filostator, whose turn it was to tell a story,began to speak.

解答：whose为关系代词，引导非限制性定语从句，关系的代词whose在非限制性定语从句作定语成分，修饰“turn” 结构为：It is one's turn to do sth轮到某人做某事。Filostator为主句的主语，began为主句的谓语动词，to speak为主句的宾语成分。

备注：whose turn it was to tell a story为非限制性定语从句修饰前面名词“Filostator”。(whose turn=the turn of whom, whom=Filostator)

【2】When they proceed from some cause which it is impossible for us to detect.

解答：which关系代词引导限制性定语从句，关系代词which代先行词“some cause”并在定语从句作不定式to detect的宾语成分。

【3】The tall man,whose plan it was to escape,disagreed with us.

解答：whose为关系代词，引导非限制性定语从句，关系的代词whose在非限制性定语从句作定语成分，修饰“plan” 。the tall man为主句的主语成分，disagreed with us为主句的谓语成分。

备注(1):whose plan it was to escape 为非限制性定语从句修饰前面名词“the tall man”。(whose plan=the plan of whom, whom=the tall man)

备注(2):whose plan it was to escape 结构为 whose plan在非限制性定语从句作表语成分，it为形式主语，to escape为真正主语成分（结构：It is/was one's plan to escape 逃跑是某人的计划）

陈才 - 英语教师

擅长：中考英语,词法问题 | 采纳率 28% | 回答于 2022-06-14 08:26

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