广东省广州市2020年高三英语名词性从句知识要点归纳 新课标 人教版

广东省广州市2020年高三英语名词性从句知识要点归纳名词性从句的连接词连接代词who whose whom what which(主、宾、定、表)连接副词when where why how（状）连 词that whether if as if because（不充当成分）.一、主语从句陈述句 that1、连接词的选用一般疑问句 whether特殊疑问句 who what which when where how whyeg.1That man must die is a fact2.Whether he has bought that dictionary is still doubtful.3.What we were talking was how we could improve our living conditions.2.形式主语的应用eg.Its a pity that you missed the sports meeting last week.(SBIIBp67)It is often thought that disabilities are total.(SBIIp46)It is n/adj.that-It is said (reported,decided,believed-)that-It is not known(decided,doubtful,-)that-It doesnt matter that-It (so) happened that-3.主语从句如果用连接代词what whatever whoever等引导，表示一个具体的人或物，则主语从句不能用引导词it替换。但如果句子是疑问句形式，就只能用it结构eg 1.Whatever was said have must be kept secret.2.Whoever breaks the law will be punished.3.Hast it been decided yet when and where well hold the sports meet?4.Is it true that she married twice?二、宾语从句1语序：用陈述语序而不用疑问语序Can you tell me who that woman is?2时态：如果主句的谓语动词为过去式，宾语从句的谓语动词应与之呼应，采取相应的过去某种时态I didt know he was here.但表示客观真理现象时，宾语从句的谓语动词通常用一般现在时Galileo proved that the earth goes around the sun.3否定的转移(think believe suppose expect)I dont think that it will rain tomorrow.4.疑问句的提前：当一般疑问句中的动词是think believe suppose 等时，应将引导宾语从句的who what which when where 等词提到句首。其结构为：疑问词+do you think(believe) +宾语从句+-？eg. Which food do you think is healthy and which is unhealthy?(SBIBp3)What do you think is the proper time for us start?5.形式宾语的用法 主语+V +it +宾语补足语+宾语从句She made it clear why she came late.6形容词带宾语从句afraid sure certain sorry happy gladHe was afraid that someone might find him.I was uncertain whether he would come.If与whether都可以引导动词后的宾语从句，常可互换，但以下几种情况下，只能用whether1.后面直接or not 时We didnt know whether or not she was ready2.在介词之后Im interested in whether youve finished the work.3 if会引起岐义时Please let me know whether you want to go.4.其它几种只用whether的情况:引导表语从句,同谓语从句,让步状语从句时,引导主语从句置于句首时,后接不定式时.Whether you like it or not ,you must do it well.Whether hell attend the meeting is unknown.He doesnt know whether to stay or not.8.及物动词后面跟两个或以上宾语从句时,只有第一个连词that可以省略.He said (that) the text was important and that we should recite it.三.表语从句1.连接词的省略that可省略.但具有词义不作句子成分的连接词because , whether, if, as if(though), 和作句子成分的连接词what, who, which, how, when, where, why 等不可省略My idea is (that)we should help each other.That is what he said.2.why和because引导表语从句的区别why:上文出现的情况或发生事情带来的结果because :用以解释所出现的情况及原因.This book is very useful ,that is why I bought it yesterday.He didnt come. That was because he was ill.四.同位语从句1.引导词that what where when等试比较1.The news that our team has won the match is true .(同位语从句)2The news that(which)hes told us is true.（定语从句）that引导同位语从句时，在从句中不充当句子成分，没有词汇意义，是从属连词；引导定语从句时，在从句中充当句子成分，指代先行词，是关系代词。2.同位语从句前面的词语通常是一些表示抽象概念的名词.信息类：information news word message story proof announcement思想类：thought idea belief truth心理活动类：hope doubt fear问题回答类：question problem answer reply建议劝告类：suggestion proposal advice许诺保证类：promise permissioneg .The possibility that people could have to spare rooms was not me