名词性从句教师文档

Noun Clauses

名词性从句在功能上相当于名词,在复合句中能担任主语、宾语、表语、同位语等。

Practice time:指出下列各名词性从句的种类。

1. She wondered if the buses would still be running.

2. The truth is that the fog is too thick for the bus to run that far.

3. She sensed that she was being watched by a tall man in a dark coat.

4. When we will start is not clear.

5. I had no idea that you were her friend.

从句一律保持陈述语序

名词性从句的格式为连接词加句子。

1.连接词有:that whether 和lf

2.连接代词有:who whom whose which what等

3.连接副词有:when where why how 等

另外whatever whoever whichever等也可以引导主语和宾语两种从句。

分类讲解名词性从句

?(一)以从句连词that,whether/if引导的名词性从句这类连词往往在句中不做成分;

只起_________,that本身没有词义,whether/if表“是否”之意。

?(01春招)What the doctors really doubt is______my brother will recover from the serious disease soon.

A.when

B.how

C.whether

D.why

?Some researchers believe that there is no doubt _______ a cure for AIDS will be found.

A. whether

B.which

C.that

D.what

【重点说明】

? 1.that在下列情况下中不能省略

?(1)引导主语从句、表语从句、同位语从句如:

?That he’ll come is certain.__________________

?The fact is that I have never been here.__________________

?The fact that she hadn’t said anything surprised all of us.___________________

?2)宾语从句若用that引导,that经常省略,但当一个句子有两个或多个并列的宾语从句时,引导第二和以下几个从句的that不可省略。

?I think(that)he’ll be all right in a few days.

?Li Yang ping explained to me(that)the force of gravity would change three times on our jouney and that the first change would be the most powerful

2.名词性从句只能使用whether,不用if的情况

?1)在______________________________。

?The question is whether the film is worth seeing.

?Whether we shall attend the meeting hasn’t been decided yet.

?The news whether our team has won the match is unknown.

?(2)作________________。例如:

?It all depends on whether they’ll support us.

?(3)后面紧接_________时。例如:

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