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托福名词性从句特征

2015-09-04 15:41| 来源:环球托福

摘要: 以下是环球教育小编带来的托福名词性从句特征。上海托福培训, 我们托福考试培训欢迎大家报名学习!托福名词性从句特征。在句子中起虚词浸染的句子叫名词从句 (Noun Clauses)。名词从
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  以下是环球教育小编带来的托福名词性从句特征上海托福培训, 我们托福考试培训欢迎大报名学习!托福中对于这个知识点窥察的不多,然则它镶嵌在文章的阅读中,以是说关于这个常识点的掌控会有助于各人理解整篇文章,从而能援助列位更好的来做问题。
  比喻 The idea that rocks last forever and that rocks never change is not completely true.这句话中就包罗了一个同位语从句,只管考点在never上,可是如果不有把这句话读懂,也会影响大对付标题的选择。
  那么让咱们来看看名词性从句的本性吧。
  ,所有的感叹词性从句的语序但凡机密性的语序。
  二,劝导名词性从句的邻接词可以分为三类
  连词:that ;whether;if ;as if; as though,这些连词在从句中不充当任何的句子要素。 邻接代词,what; whatever; who; whoever; whom; whose which; whichever; whomever. 这些代词除了whose充任定语以外,其他在从句中充当主语笼统宾语。邻接副词,when; where; how; why 在从句中充任状语。
  我们划分来认识这些从句的特色
  一、主语从句
  作句子主语的从句叫主语从句。主语从句通常由附属连词that,whether,if与邻接代词what,who,which,whatever,whoever以及毗邻副词how,when,where,why等词启发。that在句中无词义,只起毗邻作用;毗邻代词与邻接副词在句中既生存本身的疑难含意、又起联接感召,在从句中充当从句的要素。例如:
  What he wants to tell us is not clear. 他要跟我们说甚么,还不明晰。
  Who will win the match is still unknown. 谁能赢得这场角逐还不得而知。
  It is known to us how he became a writer. 我们都晓得他是若何成为一名作的。
  Where the English evening will be held has not yet been announced. 英语晚会将在那儿举行,还没有发布。
  有时为防止句子有头有尾,常用模式主语it代替主语从句作内容主语放于句,而把主语从句置于句末。主语从句后的谓语动词一般用复数内容。经常应用句型如下:
  (1) It + be + 实词 + that从句
  (2)It + be + 形容词 + that从句
  (3)It + be + 动词的过去分词 + that从句
  (4)It + 不迭物动词 + that 从句
  另把稳在主语从句中用来展示惊奇、不信任、惋惜、理当如斯等语气时,谓语动词要用虚拟语气"(should) +do",经常应用的句型有:
  It is necessary (important, natural, strange, etc.) that …
  It is a pity (a shame, no wonder, etc.) that…
  It is suggested (requested, proposed, desired, etc.) that…
  二、宾语从句
  名文句用作宾语的从句叫宾语从句。疏通沟通宾语从句的关联词与疏浚沟通主语从句表语从句的联系关系词大致同样,在句中可以作谓语动词或介词及非谓语动词的宾语。
  1. 由连贯词that劝导的宾语从句
  由邻接词that疏通沟通宾语从句时,that在句中不当真任何要素,在口语或非正式的体裁中常被省去,但如从句是并列句时,二个分句前的that不成省。例如:
  He has told me that he will go to Shanghai tomorrow. 他已经告诉我他今天不日要去上海。
  We must never think (that) we are good in everything while others are good in nothing. 咱们决不克不及以为自身什么都好,别人甚么都坏。
  当心:在demand、order、suggest、decide、insist, desire, request, command等浮现申请、下令、倡始、抉择等意义的动词后,宾语从句经常应用"(should)+ 动词底细"。例如:
  I insist that she (should) do her work alone. 我坚持要她本身任务。
  The commander ordered that troops (should) set off at once. 司令员呼吁部队马上解缆。
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  2. 用who,whom, which, whose, what, when, where, why, how, whoever, whatever, whichever等关联词疏通沟通的宾语从句至关于特殊疑难句,应留神句子语序要用秘要语序。例如:
  I want to know what he has told you. 我想知道他告诉了你甚么。
  She always thinks of how she can work well. 她老是在想怎样能把工作做好。
  She will give whoever needs help a warm support. 凡需要辅佐的人,她都市给以情绪的赞成。
  3. 用whether或if疏通沟通的宾语从句,其主语和谓语的挨次也不能颠倒,仍维持计划密句语序。另外,whether与if 在作"是否"的意思讲时鄙人列环境下一般只能用whether,不消if:
  a. 劝导主语从句并在句时;b. 开导表语从句时;c . 疏导从句作介词宾语时;d. 从句后有"or not"时;e. 后接动词不定式时。例如:
  Whether there is life on the moon is an interesting question. 月球上有不有生命是个诙谐的问题。
  The question is whether she should have a low opinion of the test?
  Everything depends on whether we have enough money. 一切要看咱们是否有充裕的钱。上海托福培训, 我们托福考试培训欢迎大报名学习!
  I wonder whether he will come or not. 我想晓得他来照常不来。
  Can you tell me whether to go or to stay? 你是否告诉我是去照样留?
  4. 留神宾语从句中的时态照应,当主句动词是目下当今时,从句按照自身的句子环境,而应用
  不同时态。例如:
  he studies English every day. (从句用通常现在时)
  he studied English last term. (从句用一样平常过去时)
  I know (that) he will study English next year. (从句用通常未来时)
  he has studied English since 1998. (从句用那会完成时)
  当主句动词是过去时态(could, would除外),从句则要用响应的过去时态,如一般过去时,过去发展时,过去将来时等;当从句浮现的是主观真谛,科学道理,自然征兆,则从句仍用现在时态。例如:
  The teacher told us that Tom had left us for America.
  5. think, believe, imagine, suppose等等动词惹起的否认性宾语从句中,要把上述主句中的动词变为否定式。行将从句中的否认内容移到主句中。例如:
  We don't think you are here. 咱们以为你不在这。
  I don't believe he will do so. 我置信他不会多么做。
  三、表语从句
  在句中作表语的从句叫表语从句。疏通沟通表语从句的关联词与引导主语从句的联系关系词大致同样,表语从句位于系动词后,偶尔用as if启发。其基础底细组织为:主语 + 系动词 + that从句。例如:
  The fact is that we have lost the game. 毕竟是我们也曾输了这场竞赛。
  That's just what I want. 这恰是我想要的。
  This is where our problem lies. 这便是咱们的问题所在。
  That is why he didn't come to the meeting. 那就是他为何不到会的启事。
  It looks as if it is going to rain. 看下来天要下雨了。
  重要留神的,当主语是reason时,表语从句要用that疏通沟通而不是because。例如:
  The reason why he was late was that he missed the train by one minute this morning .
  提示人人当心的是whether 可疏浚沟通表语从句,但与之同义的if却通常不用于引导表语从句。
  四、同位语从句
  同位语从句说明其前面的名词的具体内容。同位语从句通常由that疏导,可用于同位语从句的实词有advice、demand、doubt、fact、hope、idea、information、message、news、order、problem、promise、question、request、suggestion、truth、wish、word等。例如:
  The news that we won the game is exciting. 咱们赢得这场比赛的动态使人冲动。
  I have no idea when he will come back home. 我不晓得他何时回来离去。
  The thought came to him that Mary had probably fallen ill. 他想到可能玛丽生病了。
  以上就是环球托福为托福考生们带来的托福名词性从句特征,希望能给托福考生们带来帮助。如需了解更多托福考的相关信息,欢迎拨打托福考试培训的免费咨询热线021-33312283进行咨询,上海托福培训,请关注环球托福