北师版高一英语必修一课本,北师版高一英语必修一unit1知识点：句型巧析

1.[教材原句]That's what people call the underground in London.
那就是在伦敦通常所称的地铁。
[句法分析]
这是一个主从复合句。what引导的是表语从句。如：He is not what he was ten years ago.他不再是十年前的他了。what除了引导表语从句外还可引导主语从句，宾语从句，同位语从句。如：
What he did influenced me much.
We did what we could to help him out of trouble.
I gave the girl a big doll，exactly what she longed to have.
2.[教材原句]When I get home at about ten，I look at some documents that I bring back from the office so that I can be ready for the next day's work.
晚上10点我回到家，浏览带回的文件，为第二天的工作做准备。
[句法分析]
(1)这是一个主从复合句，包含两个状语从句和一个定语从句。
(2)when引导的是时间状语从句。so that引导的是目的状语从句。
(3)that I bring back from the office是that引导的定语从句，先行词是documents，先行词在从句中作bring的宾语。

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