主语从句;表语从句.ppt

,主语从句 表语从句,一主语从句 主语从句在从句中作主语，主语从句可以位于句首，但常见的主语从句多放在句末，句首则用形式主语 it。 That I did not learn the subject clause well was a pity. It was a pity that I did not learn the subject clause well.,注意： 连词that, whether在从句中不担任句子成分，只起连接作用，不能省略。 试比较： This is a factory that produces shoes. That the factory produces good shoes is known to all. if 不能引导主语从句： Whether he will come or not is not known.,注意：who, which, how, when, where, why在所引导的主语从句中可担任主语，宾语，状语，不能省略。可以用形式主语it引导。 Who can tell us what is going to happen is a question. Which of the learning method suits us is not clear. When and where we should go is up to you. Why he insists on doing that is not known.,注意：who, whom, which, what等可以和ever构成合成词，引导主语从句和宾语从句。此类主语从句不能用it引导，引导词在句中担任句子成分，不能省略。 Whoever will do the job has nothing to do with me. Whomever Wang Laowu will marry is none of my business. Whichever Li Cuihua he is going to marry does not interest me.,a. It + be +形容词+ that-从句 It is necessary that 有必要 It is important that 重要的是 e.g. It is important that we (should) study hard.,b. It + be + -ed 分词+ that-从句 It is believed that 人们相信 It is known to all that 众所周知 It has been decided that 已决定 e.g. It is suggested that we (should) finish it now.,用 it 作形式主语的that- 从句句型,d. It +不及物动词+ that-分句 It appears that 似乎 It happens that 碰巧 It occurred to me that 我突然想起 e.g. It appears that she followed my advice.,c. It + be +名词+ that-从句 It is common sense that 是常识 It is a surprise that 令人惊奇的是 It is a fact that 事实是 e.g. It is a fact that we are only students.,(1）It is said /reported结构中的主语从句不可提前。,It occurred to him that he failed in the examination. That he failed in the examination occurred to him.,注意几点：,(2）It happens/occurs结构中的主语从句不可提前。 (3）It doesnt matter how/whether 结构中的主语从句不可提前。,It doesnt matter whether he is wrong or not. Whether he is wrong or not doesnt matter.,1. _men have learned much from the behavior of animals is hardly new A.ThatB.Those C.WhatD.Whether 译文人类从动物的行为中学到了许多东西，这已经不是什么新闻了。 本题测试引导主语从句的连词，题中主语从句的成分完整，因此需要一个在句子中不起任何成分的连接词，因此只有A项符合题意。,2. In some countries，_is called equality does not really mean equal rights for all people A）which B）whatC）thatD）on 有一些国家所谓的平等实际上并不意味着全体人民都享有平等的权利。 此题测试主语从句。连接词 what引导的名词从句，在上述句子中作主语，它本身又在从 句中作主语成分，相当于 the thing which之意。,3_ to attend the meeting has decided by the manager 哪些人去参加会议，已由经理做出了决定。 Who will go B. Whoever are going C. Who is going D. Whoever will go,考查主语从句; whoever 不切合题意。,二. 表语从句 下边的句子是表语从句吗？ 1. The problem is where we can hold our meeting. 2. It seems that everything goes smoothly. 3. The cause is that the temperature of water is lower that needed . 4. That is what he really wants .,在句子中起表语作用的从句叫做表语从句，位于主句系动词的后面。表语从句的引导词和主语从句的引导词相同。 用表语从句翻译句子： 警察想知道的是你什么时候进的房间。 What the police wanted to know is when you entered the room.,二、难点强化 1：表示命令建议的名词后的表语从句。 在order,(命令），suggestion, advice(建议）等的名词后的表语从句中，谓语动词要用虚拟语气，即：”should+动词原形“，should 常可省。,2.that. whether的区别: that 用于表示肯定的意义，而whether表疑问。 I dont doubt that It doesnt matter whether It makes no difference whether My advice is that It is not made clear whether He made a suggestion that It is not decided whether It is to be found out whether It is to be decided whether,3：because引导的表语从句 用this/that/it填空 because 可以引导表语从句，但通常只用于”this/that/it /was because”结构中 _is because you missed the chance. _is because you did not take my advice. _is because the necklace, your necklace.,This,That,It,注意：在表语从句中,当reason做主语时,引导词只能用that,不能用because。 The reason was _he didnt catch the early bus. The reason _he is absent from work is _he is seriously ill.,that,why,that,1. Perseverance is a kind of quality ,and thats_ it takes to do anything well.( 2002上海春季) what B. that C. which D. why 解析:本题考查表语从句中引导词的用 what既引导表语从句又在从句中作takes的宾语,构成It takes sth. to do sth.的句型。,2. _ she couldnt understand was_ fewer and fewer students showed interest in her lessons.( 2000上海，27) What; why B. That; what C. What; that D. Why; because 主语从句understand缺少宾语,要用what引导;表语从句fewer and fewer in her lessons是一个完整的句子,不可能用what ,because 不能引导表语从句。,3. _made the school proud was_more than 90% of the students had been admitted to key universities.(2003上海春招) A. What; because B. What; that C. That; what D. That; because what引导主语从句，在主语从句中作主语；that引导表语从句，在表语从句中起连接作用。,4. - Are you still thinking about yesterdays game? -Oh, thats_ . (2003