高中名词性从句讲义
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名词性从句
一．主语从句：由一个从句来充当句子的主语的复合句。
1. _______the earth is round is true.
A. What
B. That
C. Where
D. How
2. __________( If, Whether ) he will come hasn’t been decided.
3. ________ you need is more practice.
A. What
B. That
C. All which
D. How
4. _________ hasn’t been decided.
A. When will we have the meeting
B. When we will have the meeting
1). 引导主语从句的连接词有：连词that, whether；连接代词who, whoever, what, whatever和which；连接副词when, where, how和why。
注意：1. that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
2. 表示“是否”时,只能用“whether”引导主语从句(句子开头)
3. 疑问词( when, where, why, what…)+陈述语序
2).为了防止一些句子头重脚轻，通常用it做形式主语
1. It is said ________ his father will come back from Japan.
A. What
B. That
C. All which
D. How
2. It is surprising _______ the weather is so warm for April.
A.that
B.when
C.whether
D.where
3. That the earth is round is true.=
4. Whether he will come hasn’t been decided.=
5. Where the hero went is not mentioned at the end of the story.=
3). Who, whom, which, what可以和ever 构成合成词，引导从句，起加强语气的作用。
但引导主语从句不能用no matter who / what…
Exercise:
1. ________that they found an unusual plant in the forest.
A. It is said
B. They are said
C. It said
D. It says
2. _____ caused the accident is still a complete mystery.
A. What
B. That
C. How
D. Where
3. ____surprised me most was _____such a little girl of seven could play the violin so well.
A. That; what
B. What; that
C. That; that
D. What; what
4. _____ helped to save the drowning girl is worth praising.
A. Who
B. Anyone
C. Whoever
D. The person
5. _______he saw in his office the day before yesterday is still a puzzle.
A. That
B. Whose
C. Which
D. Whom
6. _____we’ll go camping tomorrow depends on the weather. (NMET 1996)
A. If
B. Whether
C. That
D. Where
7._______we'll finish translating the book depends on the time.
A. When
B. Why
C. What
D. That
8.______the house will be built will be discussed at tomorrow's meeting.
A. If
B. Where
C. That
D. What
二．宾语从句：由一个从句来充当句子的宾语的复合句。
a. He said ________ he was feeling ill.
b. I doubt _________ he will be here in time. (是否)
c. My teacher was satisfied with _______ I di
d.
d. She will write a book on ______ young mothers should raise their babies.
e. I’m sure _______ he will win.
f.We are not certain ______ will be our new English teacher.
1）.及物动词的宾语, 介词的宾语,
连接词有：连词that, whether/if；连接代词who, what和which；连接副词when, where, how和why。
注意：1. that在句中无词义，只起连接作用，可省。
2.. 疑问词( when, where, why, what…)+陈述语序
2）.形式宾语
think/ find/make …it +adj. +that….结构中,it作形式宾语。
I find _______ necessary that we do some reading every day.
We think _______ right that all the people should obey the laws.