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解析:何为名词性从句?如何用?

来源:www.chiyuhangkong.com 2024-03-03

在工作或学习中,大家常会用到英语否定疑问句,那样什么是不是定疑问句?该怎么用呢?

下面一块儿学习下名词性从句的使用方法及概念吧:

否定疑问句概念:

名词性从句是在句子中取名字词用途的句子。 名词性从句的功能等于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此依据它在句中不一样的语法功能,名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。

在主从复合句中,从句可以充当主句的主语、表语、宾语或同位语。因为在多数状况下,主语、表语、宾语或同位语这四种句子成分由名词性词类充当,所以,大家把这类用途等于名词的从句统称为名词性从句,把充当主语、表语、宾语或同位语的从句分别称为主语从句、表语从句、宾语从句或同位语从句。也就是说充当什么成分就叫什么从句。名词性从句由连接词(或关联词)引导。

连接词的特征是:

1、疑问词有本身的词义;

2、疑问词在从句中担当句子成分,如主语、宾语或状语;

3、这种疑问词引导的从句一律用陈述语序,不可以用疑问语序。 For example: 1、Do you know whom they are looking for? 你了解他们在找哪个吗?(宾语从句,陈述语序。不可以是whom are they looking for?) 2、I don’t know who did it.我不了解这是哪个干的。(宾语从句。在从句中假如疑问词作主语,其陈述语序和疑问语序一致。) 3、She asked me where I had been.她问我到什么地方去了。(宾语从句。陈述语序,不可以是where had I been. 直接引语,间接引语。注意这句话的时态。)

4、Can you tell me when the train will arrive? 你能告诉我火车什么时间到吗?

5、I don’t know why he hasn’t come yet. 我不了解他为何还没有来。(宾语从句,陈述语序。不可以是why hasn’t he come yet.)

6、He didn’t tell me what you were doing. 他没和我说你在做什么。(宾语从句,陈述语序。不可以是what were you doing.)

7、What you have done might do harm t other people. 你所做过的事情大概伤害其他人。(主语从句。what 作从句的宾语。陈述语序,不可以是what have you done. 假如用疑问语序,意思发生了变化,成了“你做了哪些?”。) 

好了,以上的语法常识同学们知道得怎么样呢?在平时的生活或学习中尽量地多运用哦。

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