乌鲁木齐休闲会所全套:名词性从句详解

一、语法知识
（一）, 主语从句
1, 由what等代词引导的从句,表示”所…的(东西)”,实际上等于一个现行词加上一个定语从句.也可以由-ever等代词引导.
What they are talking about is nothing valuable.
What I really want is to have a good rest.
Whatever she did is wrong.
Whoever passes the exam can get 50 yuan.
Whoever used to have another name raise your hand.
2, 由that引导的从句,通常用形式主语来代替.
That he has disappeared worries his parents.
It worries his parents that he has disappeared.
It is not likely that he can win the lottery.
It is a big surprise that he is still alive.
3, 由连接代词或连接副词或whether引导的从句.
When she will be back is still a question.
Where they had put the files troubled the spy.
Whether he will take part in the play is clear.
Whether or not she will go to Japan is up to her.
（二）, 宾语从句
1, 由连接代词或副词引起的从句.
Please show me how to make him happy.
I don’t know who did all the cleaning.
Have you decided whom you will take to Australia?
She still wondered when she would leave school.
I am wondering whether/if the dress is too short.
He advised me which books I should read.
还可以做介词的宾语.
The singer still worries about where to live.
The price depends on how many you will buy.
2, 由关系代词型what等代词引起的从句.
I will tell you what I know.
We’ll give whatever help you need.
I plan to read whichever book you recommend.
His father was not satisfied with what he had.
She walked up to where I stood.
3, 由that引起的从句,在believe, think, suppose后常不加that.
在think, believe, suppose, expect等动词引起的宾语从句中,有时谓语尽管是否定意思,也只将前面的词否定.
I don’t think you can beat me.
He doesn’t expect we need worry.
有时在宾语和谓语之间可以插入一个间接宾语或状语.
She reminded me that I had a meeting to attend.
They explained to us that they didn’t mean to make us angry.
有时在这种带有复合宾语的句子中, that引起的从句常常移到后面, 前面用一个it作为形式宾语.
I thought it very impossible that she would come.
They took it for granted that the singer was coming.
（三）, 表语从句是接在系动词后面的宾语从句.
（四）, 同位语从句, 在idea, fact rumor, news, hope, belief, thought, doubt等等词后面, 常常用that或连接代词或副词引导从句.
I had no idea that they were in that plane.
He left me a message that he would buy me a ticket
to the rock concert.
The news that we will have a one-month vacation is not true.