名词性从句解释和习题.docxVIP

名词性从句一、概念：连接带词和连接副词等引导的从句在句中充当名词的作用，称为名词性从句。名词性从句包括主语从句，表语从句，宾语从句和同位语从句。引导名词性从句的连接词为三类：连接连词：that, whether, if , as if ,because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主语从句：主语从句在整个句子中作主语。(1) That the driver could not control his war was obvious.注意：It 做形式主语的主语从句It be ＋名词＋从句It is a fact /an honor /common knowledge/a pity/no wonderthat …It be ＋形容词＋从句It is strange/natural /obvious/possible/likely that…It ＋不及物动词＋从句It seems /happens/appears/turns out that…(4) It be＋过去分词＋从句It is reported/proved/known/said/suggested that…2.表语从句：表语从句出现在系动词后，充当表语。?Go and get your coat. It’s where you left it.3. 宾语从句：及物动词，形容词和介词后加宾语从句作其宾语。(2) I want to know whether or not they will come.4.同位语从句，在句中作某些名词的同位语，对前面的名词进一步说明。常放在advice, doubt, fact, hope, idea, information, message, news, order, possibility, problem, question, reason, truth, word, suggestion.等名词的后面，说明该名词的具体内容。1.There is no doubt that he will come.5.名词性从句重难点①在名词性从句中，疑问句要用陈述句的语序⑤语气问题▲在含有 suggest , order , demand , propose , command , request , insist, desire, require, advise 等表示要求、命令、建议、决定等意义的动词后，that从句常用“should+ 动词原形”的结构Eg.Will he come tomorrow?→ If/Whether he will come tomorrow. (名词)1)做主语：Whether he will come tomorrow is true.一般疑问句转换成名词做主语(if转换的名词不能用做主语.)2)做宾语：a) 动词宾语I don’t know whether/if he will come tomorrow.一般疑问句转换成名词做宾语(if转换的名词可以用做动词宾语)3)做表语：My question is whether he will come tomorrow.一般疑问句换成名词做表语(if转换的名词不能用做表语)4)做同位语：The news whether he will come tomorrow is unknown.一般疑问句转换成名词做同位语(if转换的名词不能用做表语)Exercises：一，用what和that填空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.9._____ has made China_____ it is now?二．用if和whether填空1. I asked her __________ she had a bike.2.______ we will hold a party in the open air tomorrow depends on