1、同位语从句用法小结在复合句中充当同位语的名词性从句称为同位语从句。 。在使用同位语从句时，应注意以下五个方面：一、常见带有同位语从句的抽象名词advice，announcement，argument，belief，claim（声明、主张） ，conclusion，decision，evidence，explanation，fact，feeling，hope，idea，impression，information ，knowledge，message，news，opinion ，order，probability ，promise，proposal ，remark，reply， report，s
2、aying，statement（ 声明、陈述） ，suggestion，thought ，warning，wish，word二、同位语从句连接词的选用在英语中，引导同位语从句的词通常有连词（that ，whether） ，连接代词 (what ,who 等)连接副词（how，when ，where ） 。They were all very much worried over the fact that you were sick. The question who should do the work requires consideration.I have no idea what he
3、 is doing now.。We came to the decision that we must act at once. He made a proposal that the meeting be postpone. 他提议会议延期。There was little hope that he would survive. 他幸存的希望很小。He hasnt made the decision whether he will go there.Its a question how he did it. 那是一个他如何做了此事的问题注：在名词 doubt“怀疑”后的同位语从句用 whet
4、her 连接；在 no doubt“不怀疑 ”之后的同位语从句用 that 连接。例如：We have some doubt whether they can complete the task on time. There is no doubt that Tom will keep his promise. 三、同位语从句在句中的位置1. 一般情况下同位语从句跟在某些名词（如news， idea， fact，promise，hope，message 等）的后面，用以说明该名词所表达的具体内容。例如：The news that our women volleyball team had wo
5、n the championship encouraged us all greatly. 2. 有时同位语从句可以不紧跟在它所说明的名词后，而被别的词语隔开，在语法上叫做分隔式同位语从句。例如：The thought came to her that maybe she had left the door open when she left home. The story goes that he failed in the College Entrance Examinations again. 据说他高考又落榜了。Word came that China launched its fi
6、rst manned spaceship on Oct 15，2003. 消息传来，中国于 2003 年 10 月 15 日首次成功发射了载人飞船。四、同位语从句的语气在 suggestion，advice，request，order 等意为“建议；命令；要求”的名词后，同位语从句中的谓语动词通常用“should +动词原形”的虚拟语气结构，句中的 should 可以省略。例如：Our teacher gave us some advice how we（should）use the computer. The suggestion came from the chairman that th
7、e new rule（should）be adopted. The government gave the order that all these houses（should ）be pulled down in three weeks. 政府下令三个星期内所有这些房子都要拆掉。五、同位语从句与定语从句的用法区别区别（1）that 在同位语从句中没有词义，不充当句子成分；而在定语从句中充当主语、宾语等句子成分。区别（2）同位语从句和先行词是同等的关系；而定语从句是用来修饰先行词，是从属的关系。区别（3） whether ，what，how 可以用来引导同位语从句；而它们不能用来引导定语从句。
