名词性从句2

在复合句中起名词作用的从句叫名词性从 句(Noun Clauses)。名词性从句的功能相 当于名词或名词词组, 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， 名词性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。
{What he does is important. {This is what he does every day.
1. ______ the baby could speak made his parents very happy. A. That B. What C. Why D. If 主语从句 2. I wonder ____ you will go shopping or stay at home. A. that B. if C. whether D. what
形式主语
“It” is used as empty subject. 为避免主语冗长,句子头重脚轻,经常 用it作形式主语,主语从句放在后面作 真正的主语。 1. It is certain that he will succeed. 2. It is not known whether he will go there. 3. It has not been decided yet when they’ll start the project.
Many British parents hold the view that teenagers shouldn’t spend too much time online.
4. _______________________ There is no scientific Time travel is possible./ proof for the idea. ________
that / whether / as if / as though (if不 引导表语从句)
who / whom / whose / which / what
when / where / why / how / because
1) The idea that computers can recognize human voices surprises many people. 2) Word came that Napoleon himself was coming to inspect (视察) them. 3) Sydney kept his promise that he would always do anything he could for Lucie to make sure of her happiness.
Tell the function of the following clauses.
They know that the habit will kill them. It all depends on whether they will support us. He asked how much I paid for the violin. He made it clear to the public that he did an important and necessary job. I find it necessary that we should do the homework.
There is no scientific proof for the idea that time travel is possible.
5. Chinese students should be given more free time./ ______________________________________________ The suggestion is welcomed by many people, ______________ especially kids in school. The suggestion that Chinese students should be given more free time is welcomed by many people, especially kids in school.
3个句子中的连词that, whether, if (是否)在名词性从句 中只起连接作用，在句中不担任成分,被称为连接词。
注意: A. that 本身无意义，在宾语从句中可以省略， 但在别的三种名词性从句中不可以省略。B. whether 和if有是否的意义，在宾语从句中二者通常可以互换。 但whether 可以用于所有的四种名词性从句,而if 仅可 以用于宾语从句。
宾语从句
3. This is _____ he was often late for school. 表语从句 A. what B. that C. why D. whether
4. We all know the truth ____ the earth ____ around the sun. A. if; moved B. that; moves
C. why; move
D. whether; move
同位语从句
Find clauses from the following sentences and tell the functions of them. At lunch time, the radio weatherman reported that the mist would become a thick fog in the afternoon. Object Clause (宾语从句) The truth is that the fog is too thick for the bus to run that far. Predicative Clause (表语从句) What surprised me most was that the old man couldn’t see anything. Subject Clause (主语从句) The fact that Polly didn’t ask for the man’s name is a pity. Appositive Clause (同位语从句)
I don’t like his job.
1 That he will succeed is certain.
2 Whether he will go there is not known. 3 What he said is not true. 4 Where he hid the money is to be found out . 5 Whoever comes is welcome. 6 How we can help the twins will be discussed at the meeting. 7 When they’ll start the project has not been decided yet.
We heard the news last night that the Queen of England was on a three-day visit in China.
3. Teenagers should not spend too much time online./ Many British parents hold the view. ________
The question is whether we can rely on him. That’s because we were in need of money at that time. He looked as if he was going to cry. That’s why I was late. 表语从句:在句中充当表语成分，一般放 在系动词之后。 作用:对主语进行解释说明。
This is his job.
His job is important.
{I don’t like what he does every day. {
I don’t know about the man, Mr. White. I don’t know about the fact that he is a teacher.
I worry about whether I hurt her feelings.
在主+谓+it (形式宾语) +宾补+that 从句(真正宾语)的句型中不省略 We must make it clear that we mean what we say. 由连词and连接的两个由that引导 的宾语从句中,第二个that不省略。 He told me (that) he would come and that he would come on time.
It’s likely / possible / important / necessary / clear that… 很可能/重要的是……/必要的 是……/很清楚…… It’s said / reported that… 据说/据报道…… It seems / appears / happens that… 似乎/好 像/碰巧...... It’s been announced / declared that… 已经通知/宣布…… It’s no wonder that… 并不奇怪/无疑…… It’s a pity / a fact / common knowledge (众所 周知)/ a common saying (俗话说) that…
分析下列宾语从句中的连词 1. I don’t doubt (that) you will succeed. 2. I don’t know whether/if he wiefere