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她被选中令我们非常高兴。
How the book will sell depends on its author. 书销售如何取决于作者。
Whether the plan is feasible remains to be proved.
这一计划是否可行还有待证实。
It is quite clear that the whole project is doomed to failure. 很清楚，整个计划注定要失败。
主语从句都可以置于句末，用 it充当形式主语。
It made us very happy that she was chosen. 她被选中令我们非常高兴。 It is not important who will go. 谁去并不重要。
It is still unknown which team will win the match. 哪个队会赢得比赛现在仍然是未知的。
It's a pity that you should have to leave. 你非走不可真是件憾事。
It is not yet decided who will do that job. 还没决定谁做这项工作。 宾语从句举例★★★
In one's own home one can do what one likes. 在自己家里可以随心所欲。
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I don't care whether you like the plan or not. 我不在乎你是否喜欢该计划。
The club will give whoever wins a prize. 俱乐部将给得胜者设奖。
I am glad that you are satisfied with your job. 你对工作满意我感到很高兴。
I'm not sure why she refused their invitation. 我尚不能肯定她为什么拒绝他们的邀请。
She's doubtful whether we shall be able to come. 她怀疑我们是否能够前来。
That depends on where we shall go. 那取决于我们去哪儿。
I worry about whether he can pass through the crisis of his illness.
我担心他是否能度过疾病的危险期。 表语从句举例★★★
The fact is that the official has not been seen recently. 事实是近来谁也没有见过这位干部。
My question is who will take over president of the Foundation.
我的问题是谁将接任该基金会主席职位。 The point is whether we should lend him the money.
问题在于我们是否应该借钱给他。
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同位语从句举例★★★
The fact that the official has not been seen recently disturbs everyone in his office.
近来谁也没有见过这位官员，这一事实令办公室所有的人不安。
They are investigating the question whether the man is trustworthy.
他们在调查他是否值得信赖。 定语从句★★★
定语从句在句子中整体做定语，修饰一个名词或代词，被修饰的名词、词组或代词即先行词。定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引导。
关系代词：有who, whom, whose, that, which；在定语从句中替代被修饰词，其含义不固定；在定语从句内部充当主语、宾语、定语（whose）；在限定性定语从句内部做宾语时，可以省略。
关系副词：有when, where, why；在定语从句中含义相当于介词+被修饰词；在定语从句内部充当状语；不可省略。
关系代词引导的定语从句举例★★★
1. who, whom, that：这些词代替的先行词是人的名词或代词，在定语从句内部做主语或宾语。
He is the man whom/ that I saw yesterday. 他就
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北京宏途教育 考研英语精品长线保过小班 一对一辅导
是我昨天见的那个人。（whom/that在从句中作宾语）
2．whose 用来指人或物的，只用作定语。 They rushed over to help the man whose car had broken down. 那人车坏了，大家都跑过去帮忙。
He passed me the book whose cover is green. 他给我了那本绿皮的书。
3．which, that所代替的先行词是事物，在从句中可做主语、宾语等，例如：
A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。（which / that在句中作宾语）
The oranges (which / that) you are choosing are imported from America. 你选的橘子是从美国进口的。(which / that在句中作宾语)
关系副词引导的定语从句举例★★★
关系副词when, where, why：关系副词when, where, why的含义相当于\介词+ which\结构，因此常常和\介词+ which\结构交替使用，在从句中作状语。
There are occasions when (on which) one must yield. 任何人都有不得不屈服的时候。
Beijing is the place where (in which) he was born. 北京是他的出生地。
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Is this the reason why (for which) he refused our offer? 这就是他拒绝我们帮助他的理由吗？
限制性和非限制性定语从句★★★
1．定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分，去掉它主句意思往往不明确；非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开。最明显的区别是看定语从句前是否有逗号。关系代词that和关系副词why不能引导非限制性定语从句。例如：★★★
This is the house which we bought last month. 这是我们上个月买的那幢房子。（限制性）
The house, which we bought last month, is very nice.这幢房子很漂亮，是我们上个月买的。（非限制性）
2．当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限制性的。例如：★★
Charles Smith, who was my former teacher, retired last year. 查理·史密斯去年退休了，他曾经是我的老师。 My house, which I bought last year, has got a lovely garden.我去年买的那幢房子带着个漂亮的花园。This novel, which I have read three times, is very
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