内容正文:
名词性从句
—主从、表从、同从
What doesn't kill you makes you stronger.
主语从句
主语
从句
一、that引导主语从句
That he was late for class made his English teacher very angry.
无实义
不作成分
不能省略
it作形式主语
To study English from 8 to 10 every day in winter vacation is torturous.
It is torturous to study English from 8 to 10 every day in winter vacation.
it作形式主语
(1)It+系动词+形容词+从句
necessary
right
(un)likely
strange
natural
必要的
正确的
(不)可能的
奇怪的
自然的
certain
clear
possible
obvious
important
明确的
清晰的
可能的
明显的
重要的
It is quite clear that he is afraid of being scolded by his English teacher.
That he is afraid of being scolded by his English teacher is quite clear.
It is necessary/important/surprising/strange/unthinkable/incredible(难以置信的)+ that +从句结构中,从句谓语(should)+do。
It is incredible that he (should) be late for his English teacher's class again.
(2)It+系动词+名词+从句
a pity
a shame
good news
a fact
遗憾的事
遗憾的事
好消息
事实
an honor
a wonder
no wonder
no surprise
荣耀
奇迹
难怪
不奇怪
He drove his car to school today. It is no wonder that he wasn't late for class.
(3)It+系动词+过去分词+从句
said
heard
decided
advised
considered
据说
有人听说
做出决定
有人建议
认为
reported
suggested
thought
well-known
announced
据报道
有人建议
有人认为
很著名
据宣布
It is said that he has been getting to school in advance these days.
(4)It+不及物动词+从句
seem
appear
matter
turn out
happen
occur
似乎
显得;似乎
重要(多用否定)
结果是
碰巧
出现
It appears that he has realized the importance of being punctual.
二、whether引导主语从句
Whether the work can be completed on time is doubtful.
It is doubtful whether the work can be completed on time .
表示是否
不作成分
不能省略
主语从句 意思 成分 位置
whether 是否 不做成分 句首/句尾
if 是否 不做成分 句尾,且需用it作形式主语
Whether the meeting will be put off has not been decided yet.
It is unknown if/whether he will attend the meeting.
三、wh-类的词引导主语从句
When the work can be completed on time is doubtful.
What (The things that) the lecture said is of great value.
Why he did that wasn’t quite clear.
It wasn’t quite clear why he did that.
表示各自含义
不能省略
1. ______we understand things has a lot to do with what we feel.
A. Wher