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初三状语从句温习

作者:中学    文章来历:本站原创    更新时刻:2017-6-22

状语从句
  状语从句由从句担任的状语,在语句中可润饰谓语(或其它动词)、形容词、副词或是整个语句,它能够用来表明时刻、地址、条件、原因、成果、意图、比较、退让等。
  1. 时刻状语从句
  时刻状语从句常用when,as,while,before,after,since,till,until,as soon as等连词来引导。
  例如:After he finished middle school, he went to work in a factory. (他中学毕业今后去了一家工厂作业。)
  在時间状语从句里,一般不必将来时态,而用现在时态表明将来的动作或状况。
  例如:I will tell him everything when he comes back. (当他回来的时分我会把一切都告知他。)
  在带有till或until引导的时刻状语从句的主从复合句里,假如主句用肯定式,其意义是“一直到……时”,谓语动词只能用延续性动词。假如主句用否定式,其意义是“直到……才……”, “在……曾经不……”, 谓语动词可用瞬间动词。
  例如:
  Let’s wait until the rain stops. (让咱们比及雨停吧。)
Don’t get off until the bus stops. (车没停稳时不要下车。)


  2. 地址状语从句
  地址状语从句一般由where,wherever来引导。
  例如:
  Where there is a will, there is a way. (有志者事竟成。)
  Wherever he goes, he always brings his pet dog. (不管他去哪,他总会带上他的宠物狗。)

 

  3. 条件状语从句
  条件状语从句一般由if,unless引导。在条件状语从句里,谓语动词一般用现在时态表明将来的动作或状况。“祈使句+and (or)+陈述句”在意思上相当于一个带有条件状语从句的复合句。
  例如:
  What shall we do if it rains tomorrow? (假如明日下雨的话咱们怎么办?)
  I won’t go shopping with my mother unless I am free tomorrow. (除非明日我有空,我才会和我妈妈一同购物。)
  Hurry up, or you’ll be late. (快一点,不然你会迟到。)
  =If you don’t hurry up, you’ll be late. (假如你不快一点就会迟到。)
  留意:if/when既能够引导宾语从句,也能够引导状语从句,应留意它们在两种从句中的意思和用法的不同。if/when引导宾语从句时,意思分别为“是否”和“何时”,此刻它们的时态根据具体情况而定。if和when引导状语从句时,意思分别为“假如”和“当……的时分”,此刻假如主句是一般将来时,从句部分则用一般现在时。


  4. 原因狀语从句
  原因状语从句一般由because,since,as引导。because和so不能同用在一个语句里。
  例如:Since you have known about that, please tell us what to do. (已然你现已知道了,请告知咱们要做些什么吧。)

 

  5. 成果状语从句
  成果状语从句一般由so...that,such... that,so that引导。在由so...that引导的成果状语从句中,so是副词,与形容词连用。其结构是:“...so+形容词/副词+that+从句”。在由such...that引导的成果状语从句中,such是形容词,它润饰的能够是奇数或复数可数名词,也能够是不可数名词;名词前面能够带形容词,也可不带。假如是奇数可数名词,前面需加不定冠词a或an。so...that和such...that有时能够交换运用。但假如名词前由many,much,little,few等词润饰时,只能用so,而不必such。
  例如:
  It is so/such an important match that nobody wants to miss it. (这是场如此精彩的竞赛,因而没人想错失。)
  (√)There were so many deer that they ate up all the wild roses. (有太多的鹿,他们吃掉了一切的野玫瑰。)
  (×)There were such many deer that they ate up all the wild roses.


  6. 意图状语从句
  意图状语从句一般由so that,in order that引导。so that既可引导意图状语从句,又可引导成果状语从句。意图状语从句里往往带有神态动词can,could,may,might等。
  例如:
  Speak clearly so that they may understand you. (讲清楚点,那样他们能够听懂。)[意图状语从句]
  Jack is badly ill so that he has to rest. (杰克病得很重因而他需求歇息。)[成果状语从句]


  7. 比较状语从句
  比较状语从句一般由as...as, 比较级+than...等引导。
  例如:
  I have no more than two dollars left in my pocket. (我口袋里只剩下两元钱了。)
  The film today is as interesting as the one yesterday. (今日的电影和昨日的那个相同有意思。)


  8. 退让状语从句
  退让状语从句一般由although, though等连词引导。although/though不能和but用在同一个语句中。
  例如:
  (√)Though it was raining hard, he still went out. (虽然雨下得很大,他仍是出去了。)
  (×)Though it was raining hard, but he still went out.

高考语法大串讲——状语从句
状语从句
中考温习:状语从句
高考状语从句剖析
高三状语从句强化训练

初三状语从句温习
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