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4. How he persuaded the manager to change the plan is interesting to us all.

3. It was snowing when he arrived at the station.

2. The truth that the earth turn around the sun is known to all.

1. China is no longer what it used to be.

(五)同位語從句

同位語從句在句中作某一名詞的同位語，一般位于該名詞(如：news, fact, idea, suggestion, promise等)之后，說明該名詞的具體內(nèi)容。

I have no idea when he will be back.

The fact that he had not said anything surprised everybody

高考語法復習三

語法復習三：名詞性從句

3、whether與if都可以引導賓語從句，常可互換。但下面情況不能互換。

if和whether區(qū)別

①賓語從句是否定句時，只用if，不用whether。

e.g. I wonder if it doesn’t rain.

②用if 會引起誤解，就要用whether。

e.g. Please let me know whether you want to go.(此句如果把whether改成if，

容易當成條件句理解)

③賓語從句中的whether 與or not直接連用，就不能換成if；不直接連用，可換。

e.g. I don’t know whether or not the report is true.

I don’t know whether/ if the report is true or not.

④介詞后的賓語從句要用whether引導。whether 可與不定式連用。whether也可引導主語從句、表語從句、同位語從句，還可引導讓步狀語從句，以上均不能換成if。但引導條件從句時，只能用if，而不能用whether。

It depends on whether we have enough time.

They don’t know whether to go there.

Please come to see me if you have time. 狀語從句

實用例句: 使用it作形式賓語

I thought it impossible that he could finish this job in just two hours.

He left it to my judgment whether we should continue this project.

注意: 形式主語和形式賓語只有一個替代詞: it

2、介詞之后的賓語從句，不可用which或if連接，要分別用what或 whether。

I’m interested in whether you’ve finished the work..

I’m interested in what you’ve said.

1、賓語從句在復合句中作賓語。引導賓語從句的連詞that一般可省略。

　I hope (that) everything is all right.

2、引導表語從句的連接詞that有時可省去。

My idea is (that) we can get more comrades to help in the work.

注意: 表示是否,只能使用whether.

(四)賓語從句

1、表語從句在復合句中作表語，位于系動詞之后。

The question was who could go there.