表语从句ppt

表语从句表语从句pptpptS+V+C(主主+系系+表）表）结构构表语从句是指跟在表语从句是指跟在系动词系动词后面的成分，后面的成分，说明主语的 状态、内容、特征、身份状态、内容、特征、身份等。1.The fact is that he didnt even read it.2.The difficulty is how I can transfer this patient to hospital.表语是指跟在表语是指跟在系动词系动词系动词系动词后面的成分，后面的成分，说明主语的 状态、特征、身份状态、特征、身份等。可当表语的有形容词、名词、分词、介词短语形容词、名词、分词、介词短语可以接表可以接表语从句的从句的系系动词有：有：1：表存在：表存在：be（being,been,am,is,are,was,were)appear2:感官感官动词：feel,seem,look,sound,taste,smell 3:表持表持续：stand,lie,remain,keep,stay4:表表变化：化：become,get,grow,turn,go,come,run,fall,prove,turn out 引导词连接词：连接词：that/whether/as if/as though连接代词：连接代词：who/whom/whose/which/what 连接副词：连接副词：when/where/why/how/because 引导词的用法（一）引导词的用法（一）1.that引导的表语从句1)that 在从句中仅起连接作用，无实际意义，无实际意义，在句中不做任何成分，不能省略在句中不做任何成分，不能省略。2)在表“建议，劝说，命令”的名词idea,suggestion,request,proposal 后面的表语从句中，谓语动词用“should+动词原形”，should可省略1)My opinion is that its getting better and better.2)My suggestion is that we(should)start early tomorrow.引导词的用法（二）引导词的用法（二）whether在表在表语从句中表从句中表 是否是否 ,但不充但不充当句子的成分。当句子的成分。if 不能不能 引引导表表语从句从句.What the doctor really doubts is whether my mother will recover from the serious disease soon.引导词的用法（三）引导词的用法（三）what 在表在表语从句中充当从句中充当_ 表示表示_.1.The question is what caused the accident.2.That mountain is no longer what it used to be.3.What he told you was what had been discussed at the meeting.主语、宾语或表语主语、宾语或表语什么，什么样子，或所什么，什么样子，或所的（人或事）的（人或事）引导词的用法（四）引导词的用法（四）who 在表在表语从句中充当从句中充当_表示表示_.1.The problem is who could do the work2.My trouble is who(whom)I can turn to.主语、宾语或表语主语、宾语或表语谁谁引导词的用法（五）引导词的用法（五）which 在引在引导表表语从句从句时,常充当常充当_。如：。如：I read about it in some book or another,but what I dont know is which(book)it is.定语定语,表语表语哪一个哪一个,哪哪表示表示一一些些引导词的用法（六）引导词的用法（六）由由as if,as though引引导表表语从句，表示从句，表示好像好像。句子中的系句子中的系动词常用常用be,look,appear,seem，sound等。等。1.It looks as if it was doing to rain.2.The young man with long hair looks as if he were a girl引导词的用法（七）引导词的用法（七）当主句的当主句的主语为主语为reason,或者是或者是由由why引导的从引导的从句句时,与它与它们相关的表相关的表语从句从句用用_,而不能由而不能由_ 引引导;because 引引导表表语从句从句时只能用于只能用于_句型中句型中.1.The reason why I was late was that I missed the train.2.I was late.It was because I missed the train.that来引导来引导becauseIt/That/This is/was because引导词的用法（八）引导词的用法（八）Thats because he didnt understand me.那是因那是因为他不理解我。他不理解我。Thats why he didnt understand me.那就是他不理解我的原因。那就是他不理解我的原因。Thats because强调原因原因Thats why强调结果果The reason why we didnt trust him is _that_ he has often liedreason 做主做主语时，表表语从句只能用从句只能用that引引导,不能用不能用why 引引导The reason(why/for)is/was that.The reason is thatThe question is _ we will have our sports meeting next week.A.that B.if C.when D.whether注意点注意点1：if不能引不能引导表表语从句从句 D2024/5/3The reason why he failed is _he was too careless.A.because B.that C.for D.because of注意点注意点2:2:主句主主句主语为reasonreason,只能用只能用thatthat引引导表表语从句，不从句，不可用可用becausebecauseBThe problem is_to take the place of John.A.who can we getB.what we can getC.who we can getD.that we can get注意点注意点3：如果从句是：如果从句是特殊疑特殊疑问句句，用，用陈述句述句语序序 D 小结小结1.1.表语从句的构成：引导词表语从句的构成：引导词+简单句简单句2.2.引导词：引导词：连词连词that,whether,as,as ifthat,whether,as,as if连接代词连接代词who,what,whichwho,what,which连接副词连接副词when,where,how,whywhen,where,how,why3.3.三个注意点：三个注意点：ifif不引导表语从句不引导表语从句主语为主语为reasonreason时，引导词用时，引导词用thatthat语序语序结束语结束语谢谢大家聆听！谢谢大家聆听！18