Noun Clause

名 词 性 从 句

主语从句、 宾语从句、 表语从句、 同位语从句，

多 由 that, wh- 疑 问 词 或 whatever等关系代词引导

Whether he will come or not is unknown.I don’t know whether he will come or not The question is whether he will come or not.

The question whether he will come or not is not settled.

引导名词性从句的三类关联词1. that whether if (在从句中不做成分，只 起连 接作用) 2. what who whom which whose (在从句中做主、 表、宾、定成分) 3. when why when where (在从句中做状语) 其它： That he didn’t come to school is because he was ill. She looks as if she has really been there. Things are not as they seemed to be.

引导名词性从句的三类关联词1. That a. 只起连接作用， 不做成分 b. 一般不省，只再宾语从句中可省 e.g 1).I know that you are concerned about your son’s safety.That he has set out to prepare for the 2).______ coming exams is satisfying.

2).______ That he has set out to prepare for the coming exams is satisfying.

that It is satisfying ____he has set out to prepare for the coming exams

(1) 主语从句在句子中充当主语，句 子的谓语动词用第三人称单数。 (2) 主语从句前的that不能省略，仅起 连接作用，有时为了保持句子平衡， that从句后置，而由it作形式主语。

that/ 不填 1.I can’t imagine _____ you can sew this piece of cloth without a needle. thathe 2. The reason for his being late is ____ missed the bus this morning. B her hair was turning 3.It worried her a bit ____

gray.A. while B. that C. if D. so

What1 在从句中作主，宾，表成分

2 可译成“---的东西，话，事情，地方， 时间，样子等”—— “所----”

1 what he said disappointed me.

what you have instructed it 2 A computer can only do _____ to do . what 3 a modern city has been set up in _____ was a wasteland ten years ago .

1 _____ made the school proud was ____ more than 90% of the students had been admitted to key universities. A What ;because B What ;that

C That ;what

D that; because

2 People have heard what the President has said ; they are waiting to see ____ he will do . A how B what C when D that

3 --- Are you still thinking abut yesterday’s game?--- Oh,that’s ____. A what makes me feel excited . B whatever I feel excited about

C How I feel about itD when I feel excited Who ____is waiting for me is my brother.

Whether /if 表疑问，“是否”

whether与 if在名词性从句中的用 法区别 而whether可引导包括宾语从句在 内的其他名词性从句。

宾语从句中，whether常与 or not搭 配，可以说whether or not, 而不说if or not.whether可用在介词后，或带to不定式 前，if则不可。

If :只用于Vt宾语从句& 不在句首的主语从句 a.I don’t know whether/if he will come whether not b. …………... ________or c. It depends onwhether _____ you will

give the chance. d. Whether _____ he can afford to buy such a car is still a

question.

whether/if e. It is doubtful _____he is coming. whether g. The point is _____ he will informme of the news.

2. 连接代词(a. 引导词 b. 做从句的成分) what which who whom 从句中做 意思 主，宾，表， 什么 定 主, 宾，表 哪个，哪些 定 主，宾 表 谁 宾 谁

whose

定语

谁的

I am satisfied with __________ what you said. what I don’t know________ the place used to be I know __________ who/whom you want to talk to There are many books. Can you tell me

which ____ book you like best.You can show me ________ is your monitor . who

whose book it is. You can tell me ________you can give the book to _______ whoeverwins first place