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高一英语 表语从句讲解.ppt

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高一英语 表语从句讲解.ppt
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,Predicative Clauses 表语从句,表语从句的定义,The question is who will do it.复合句,The question is difficult. 简单句,,( 表 语),,,表语从句,( 表 语 ),表语从句的定义:在复合句中作表语的从句叫表语从 句。表语从句位于主句的系动词后。 表语从句说明主语是什么或者怎么样, 对主语进行解释、说明,使主语的内 具体化。,2. 表语从句的构成,This is why he did it. 主语 系动词 表语从句,,结构是“主语+系动词+表语从句”。,可以接表语从句的系动词有:be,feel , seem , look , sound, taste , smell ,appear, remain ,keep, stay become ,get , grow , turn ,go , prove,turn out 等。,连接词:that / whether /as if /as though连接代词: who / whom / whose / which / what 连接副词: when / where / why / how / because,引导表语从句的引导词:,1.The question is whether we can rely on him.2.That’s because we were in need of money at that time .3.He looked as if he was going to cry .4.That’s why I was late .,Predictive clause 表语从句 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,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 My opinion is that it’s getting better and better. My suggesstion is that we (should) start early tomorrow.,whether在表语从句中表 ,但不充当句子的成分。if 引导表语从句.如: 1.What the doctor really doubts is whether my mother will recover from the serious disease soon. 2. The question is whether it is worth doing.,“是否”,不能,引导词的用法(二),what 在表语从句中充当______________ 表示____________________________. 1. The question is what caused the accident. 2. What he told you was what had been discussed at the meeting. 3. That mountain is no longer what it used to be .,主语、宾语或表语,什么,什么样子,或所…的(人或事),引导词的用法(三),who 在表语从句中充当______________表示____. 1. The problem is who could do the work 2. My trouble is who (whom) I can turn to. 3. Could you tell me who he is?,主语、宾语或表语,谁,引导词的用法(四),which 在引导表语从句时,常充当_____________表示 。如:I read about it in some book or another,but what I don’t know is which (book) it is.,定语,表语,哪一个,哪一些,引导词的用法(五),由as if ,as though引导表语从句,表示好像。句子中的系动词常用be, look, appear, seem,sound等。It looks as if it is going to rain.2.The young man with long hair looks as if he were a girl. (虚拟语气),引导词的用法(六),当主句的
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