名词性从句PPT(1)

Object clause
名词性从句考点归纳
一、名词性从句的语序 (1) 名词性从句构成有两种 a. That + 陈述句 That light travels in straight lines is known to all. b. 疑问词+句子的剩余成分 This is what we are looking for.
(2) 疑问词引导的名词性从句要求使用陈述句 语序，不能用一般疑问句语序。
他是怎么成功的仍然是个谜。 How was he successful is still a puzzle. ( F ) How he was successful is still a puzzle. ( T ) 你能告诉我他住在什么地方吗？ Could you tell me where he lives? Could you tell me where does he live? ( T ) ( )
D. whether 表语从句 4. We all know the truth ____ the earth ____ around the sun. B A. if; moved B. that; moves whether; move 同位语从句 C. why; move D. A. what B. that C. why
Object clause Object clause
2. She wondered if the buses would still be running.
3.The truth is that the fog is too thick for the bus to run that far. Predicative clause 4. She sensed that she was being watched by a tall man in a dark coat.
A 1.______ the baby could speak made his parents very happy. A. That B. What C. Why D. If 主语从句 C 2. I wonder ____ you will go shopping or stay at home. A. that B. if C. whether D. what 宾语从句 C 3. This is _____ he was often late for school.
主语
{What he does is important
This is his job.
.
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表语
{This is what he does every day.
I don’t like his job. 宾语 I don’t like what he does every day.
{
同位语
{
I don’t know about the man, Mr. White. I don’t know about the fact that he is a teacher.
F
二、名词性从句连接词的选用
(1)that 和what 的选用 that 和 what 都可引导所有的名词从句。 但是，what除起连接作用外，还在名 词性从句中充当成分，可做从句的主 语、宾语、或表语。而that在名词性从 句中不充当任何成分，只起连接作用。
that / what What he wants is a book. 1.______ That he wants to go there is obvious. 2. ______ that we won the game. 3.The result is ______ what we want to know. 4.This is _____ what he told us true ? 5.Is _____ what the teacher is 6.We should pay attention to ______ saying. that he will come. 7. I have no doubt _____ what he did that afternoon. 8. I have no idea _____
Practice:
名词从句
在复合句中起名词作用的从句叫名词从句 (Noun Clauses）。名词从句的功能相当于 名词词组, 它在复合句中能担任主语、宾语、 表语、同位语、介词宾语等，因此根据它在 句中不同的语法功能，名词从句又可分别称为 主语从句、宾语从句、表语从句和同位语从句。
名词性从句在功能上相当于名词 His job is important.
if 和whether 的选用
不能使用if 的情况： a. 主语从句 b. 表语从句 c. 同位语从句 d. 介词后的宾语从句 e. whether to do 做动词宾语不能用if to do. f .whether or not 连在一起引导宾语从句时不用if.
if / whether / whether she had a bike. 1. I asked her if __________ Whether we will hold a party in the open air 2.______ tomorrow depends on the weather. 3. We’re worried about ________ whether he is safe. whether/if he is well or not. 4. I don’t know ___________ 5. I don’t knowwhether ________ or not he is well. 6. The question is whether _________ he should do it. 7.The doctor can hardly answer the question whether ______ the old man will recover soon. 8. I don’t know whether _______ to go.
Try to find the noun clauses in the Reading section on page 2 and tell the functions.
1. At lunchtime, the radio weatherman reported that the mist would become a thick fog in the afternoon.