2023届高考英语二轮复习名词性从句课件3

这是一份2023届高考英语二轮复习名词性从句课件3，共29页。PPT课件主要包含了CONTENT，相关定义，定义及分类，连接词，主语从句，注意⚠️，形式主语常见句型，如何找主语从句，宾语从句，引导词等内容，欢迎下载使用。

RELEVANT DEFINITIONS
SUBJECT CLAUSE
that在句中无词义，只起连接作用
连接代词：主要做主，宾，表，定等
连接副词：在句中做状语
wh,whm——人 what——物
whatever,whever——泛指意义
一、先找谓语，谓语前的句子就是主语从句。
二、it做形式主语，从句做真正的主语，即为主语从句。
That he will succeed is certain.What we need is mre time.It is a pity that we lst a match.
that引导的主语从句
that不做成分，没有实际意义，在句首时不能省略，it做形式主语that不能省略。
that引导的主语从句，为了避免头重脚轻，通常用形式主语it代替主语从句。
That he will cme is certain.It is a certain (that) he will cme.
whether/if引导的主语从句
意为“是否”，不做成分，不能省略，在句首只能用whether，不能用if。
使用形式主语it时,if/whether引导的名词性从句为真正的主语。whether和r nt连用时，不能用if代替。
Whether we'll g camping tmrrw depends n the weather.It depends n the weather whether/if we’ll g camping tmrrw.
连接代词引导的主语从句
起连接作用，不能省略，有实际意义，在句中充当主语、宾语、表语或定语。
whatever和whever引导的主语从句不含疑问意义，相当于名词后加一个定语从句。whatever=anything thatwhever=anyne wh
What yu said yesterday was right.Wh will g makes n difference.Whatever was said here must be kept secret.
连接副词引导的主语从句
起连接作用，不能省略，有实际意义，作状语。
Why he didn’t cme yesterday is unknwn.Hw this happend is nt clear.When he will cme is unknwn.=It is unknwn when he will cme.(也可以转换为it做形式主语。)
OBJECT CLAUSE
不能省略that的情况
1、主句的谓语动词与宾语从句之间有插入语。I hpe,n the cntrary,that he will stay at hme with us.2、宾语从句是双宾语中的直接宾语。He tld me that he wuld cime.3、有多个并列宾语从句中，第一个可省that，后面的不能省。He said (that) the bk was very interesting and that all the children like t read it.
4、宾语从句的主语是this、that或被this、that修饰时。The teacher said that that wrd was wrng.5、it做形式主语，从句为真正的宾语时。I think it necessary that he shuld stay here.6、except、but等介词后的宾语从句，that不能省。
只能用whether的情况
1、在动词不定式前。I can’t decide whether t stay.2、介词后的宾语从句。I’m thinking f whether we shuld g shuld.3、宾语从句提前时，即置于句首表强调时。Whether he lives there,I want t knw.4、与r nt直接连用时。I can’t say whether r nt he will cme n time.I dn’t knw whether/if he will cme r nt.5、动词discuss,leave,put,dubt后面的宾语从句常用whether。
PREDICATIVE CLAUSE
My dream is that I can travel arund the wrld.
The reasn why he was late was that he missed the car.
1、that引导表语从句时不充当成分，无含义，通常不省略。The fact is that he desn’t really try.注意：如果主语是要求，建议，命令等词，表语从句用“shuld+动词原形”（shuld可省略） 要求：request,requirement,insistence··· 建议：idea,advice,suggestin,prpsal, recmmendatin,ntin··· 命令：rder,instructin···2、whether引导表语从句（不能用“if”）The questin is whether the film is wrth seeing.3、连接代词、连接副词引导表语从句The prblem is wh we can get t replace her.That was when I was fifteen.
4、as if/as thugh引导表语从句（常用虚拟语气）She lks as if she were hungry.It is nt as thugh we were pr.5、because引导表语从句That’s because yu can’t appreciate music.She is very familiar with the film.This is because she has already seen the film.6、because的同义词since/as/fr不可以引导表语从句。
APPOSITIVE CLAUSE
定义：对前面的抽象名词进行解释说明；被解释说明的词和同位语在逻辑上是主表关系。连接词：that,whether/what,wh/hw,when,whereif不能引导同位语从句。
跟同位语从句的名词：news,idea,fact,prmise,dubt,thught,hpe, massage,suggestin,decisin,wrds(消息), evidence,cnclusin,prblem等。