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名师谈状语从句用法总结

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  • TA的每日心情
    开心
    2012-3-30 10:44
  • 签到天数: 1 天

    [LV.1]初来乍到

    发表于 2012-8-15 09:28:11 | 显示全部楼层 |阅读模式
      状语从句即指在主从复合句用作状语的从句。按照其意义,状语从句可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句等。状语从句是高中英语学习中的一个语法重点,也是历年高考重点考查的内容之一。学习状语从句主要应注意引导状语从句的从属连词的用法与区别,以及从属连词在一定的语言环境中的意义与用法。以下北京新东方学校将针对时间、条件、让步这几个进行分析。
      
      一、时间状语从句
      
      1.引导时间状语从句的从属连词很多,常见的有before, after, when, while, as, since, till, until, as soon as 等。
      
      2.表示“当…时候”的while,when,as的用法区别是:while从句中的谓语动词必须是延续性动词;表示带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时,只能用when;当表示“一边…一边…”或“随着”时,只能用as。另外,用于此义的as所引导的时间状语从句谓语只能是动作动词,不能是状态动词。如下面一道高考题的答案是B而不能是A:
      
      “I’m going to the post office.” “_____ you’re there, can you get me some stamps?”
      
      A.s B. While C. Because D. If
      
      3.until在肯定句中通常只连用延续性动词,表示相应动作结束的时间;在否定句中通常连用非延续性动词,表示相应动作开始的时间,意为“直到…才”。如:
      
      e waited until she was about to leave.他等着一直到她准备离开。
      
      I did not begin to work till he had gone.他走了后我才开始工作。
      
      4.表示“一…就”除用 as soon as 外,还可用 the minute, the second, the instant, immediately, directly, instantly, no sooner…than, hardly…when 等。如:
      
      I came immediately you called.你一来电话我就来了。
      
      ardly had she arrived when it began to snow.她刚到就下起雪来了。
      
      The moment I have finished I'll give you a call.我一干完就给你打电话。
      
      5.  every time, each time, (the) next time, (the) last time, by the time, the first time, any time 等以 time 结尾的词语也可用作连词,引导时间状语从句。如:
      
      ext time you come in, please close the door.下次你进来,请关门。
      
      He didn’t tell me anything the last time I saw him.上次我见到他时他什么也没告诉我。
      
      By the time I got home, she had already gone to bed.我到家时她已睡觉了。
      
      二、条件状语从句
      
      1.引导条件状语从句的从属连词主要有 if, unless, as [so] long as等。如:
      
      Don’t come unless I telephone.除非我打电话,否则你别来。
      
      If you watch carefully you will see how to do it.如果你仔细瞧你会看出该怎样做。
      
      As long as you do your best, we’ll be happy.只要你尽力,我们就满意了。
      
      2.in case也可引导条件状语从句,其意为“如果”、“万一”。如:
      
      In case I forget, please remind me about it.如果我忘了,请提醒我。
      
      三、让步状语从句
      
      1.引导让步状语从句的从属连词主要有 although, though, however (=no matter how), even if(即使), whether…or(不论…还是)等连词。如:
      
      The speech is good, though it could be better.这次演讲不错,虽然还可以再好一点。
      
      He went out even though it was raining.尽管下雨,他还是出去了。
      
      2.as也可引导让步状语从句,但要将名词、形容词或副词等提到as前,若提前的是单数可数名词,要省略a/an。如:
      
      Teacher as he is, he can’t know everything.虽然是老师,他也不可能什么都懂。
      
      3.连词while有时也可表示“尽管”、“虽然”,引导让步状语从句。如:
      
      While we don’t agree we continue to be friends.尽管我们意见不同,我们还是朋友。
      
      4.whatever, whoever, however, whenever, wherever 等引导让步状语从句。如:
      
      Don’t lose heart whatever you do.不管你做什么,都不要灰心。
      
      Whoever you are, you can’t pass this way.不管你是谁,你都不能从这里通过。
      
      注:表示“虽然”的 though, although 不可与 but 连用,但可与 yet, still 连用。
  • TA的每日心情
    奋斗
    2017-7-9 20:03
  • 签到天数: 1140 天

    [LV.10]以坛为家III

    发表于 2012-8-15 10:09:57 | 显示全部楼层
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