【专项训练】高一英语名词性从句专项练习及答案

名词性从句专项复习

主语从句、表语从句、宾语从句、同位语从句，在整个句子中所起的作用，相当于一个名词因此，这四种从句通称为名词性从句。引导名词性从句的连接词

可分为三类：连接词that，

whether, if （不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom, whose, which. 连接副词：when, where, how, why

名词性从句连接词的选用

(一)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

1.______ he wants is a book.

2. ______ he wants to go there is obvious.

3.The result is ______ we won the game.

4.This is _____ we want to know.

5.Is _____ he told us true ?

6.We should pay attention to ______ the teacher is saying.

7. I have no doubt _____ he will come.

8. I have no idea _____ he did that afternoon.

(二）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.

1. I asked her __________ she had a bike.

2.______ we will hold a party in the open air tomorrow depends on the weather.

3. We’re worried about ________ he is safe.

4. I don’t know ___________ he is well or not.

5. I don’t know ________ or not he is well.

6. The question is _________ he should do it.

7.The doctor can hardly answer the question ______ the old man will recover soon.

8. I don’t know _______ to go.

（三）其它连接代词和副词的连用

主要根据名词性从句中的具体意义,正确的选择who、which、when、where、why、how 等连接词，这些连接词既具有疑问含义，又起连接作用，同时在从句中充当各种成分。我们何时举行运动会还没有决定。

________ we shall hold our sports meeting is not decided.

我不知道昨天谁打破了玻璃。

I don’t know _________ broke the glass yesterday.

我不知道他长的什么样子。

I have no idea _________ he looks like.

这就是我忘记眼镜的地方。

This is _________ I left my glasses.

（四）引导词that 的省略

that 可省略的情况：

单个宾语从句中的that可省略

that不可省略的情况：

a. 主语从句

b.表语从句

c.同位语从句

d.用it做形式宾语的宾语从句

e. 并列的宾语从句中的后几个从句的,引导词that 不能省略

1.I don’t think ________ she is coming.

2.It is a pity ________ he has made such a mistake.

3.The reason is _________ he is careless .

4.The news ________ our team won the match inspired us.

5.I don’t think it necessary _________ you should read English aloud.

6.He told me __________ his father had died and __________ he had to make a living alone.

五、同位语从句的引导和辨别

1.同位语从句的格式：n.+ 连接词+ 从句

2.能接同位语从句的名词有：fact、idea, news, information, order, belief, suggestion, advice等.

3.连接词通常是that,也可根据含义选用whether, what, when, where 等来引导同位语从句.

1. I have no idea _________ he comes from.

2. He can’t answer the question ________ he got the money.

3.He gave us many suggestions ________ we should get up earlier and take more