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高考英语重点句型分析(二十)

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高考英语重点句型分析(二十)


  1.So many thousands of terrified people died every_time there was an outbreak. 因此每次暴发(霍乱)时,就有大批惊恐的人死去。

  这是由名词词组 every time 充当连词的时间状语从句,意为“每当……”,相当于 when。某些表达时间的名词词组可直接充当连词,即“名词连词化现象”。常见的有:

  (1)不定代词+time如:any time, each time...

  (2)序数词+time如:the first/last time...

  (3)the+瞬时名词如:the minute/moment/instant

  (4)the+时间名词如:the day/night/month/time...

  ①He brings her flowers every time he goes to see her.他每次去看她都给她带花。

  ②The first time he did the experiment, he succeeded.他第一次做实验就成功了。

  ③I‘ll give him your message the minute he arrives.等他一到,我就把你的口信给他。

  ④He bought a computer the day he got his salary.他发工资那天买了一台电脑。

  [即境活用1]

  The boys ran off______ they saw the owner of the orchard (果园).

  A.at times   B.the hour  C.the moment   D.at once

  答案:C

  解析:句中 the moment 引导时间状语从句,相当于 as soon as。

  2.Only_if you put the sun there did the movements of the other planets in the sky make sense. 只有当你把太阳放在中心位置上,天空中其他行星的运动才能说得清楚。

  only 修饰副词、介词短语或状语从句,放在句首时,句子要部分倒装,即把助动词、情态动词或系动词 be放在主语之前。

  ①Only then did I realize the mistakes I had made.只有在那时我才意识到我所犯的错误。

  ②Only in this way can you make progress.只有以这种方式你才能取得进步。

  ③Only when the war was over in 1949 was he able to get back home.只有在1949年战争结束时他才能回家。

  拓展:

  if only要是……该多好,但愿。if only从句可单独使用,这时要用虚拟语气:表示与过去相反的愿望用 had done;与现在相反的愿望用 did/were;表示与将来相反的愿望用 “would/could/might+动词原形”。

  ①If only I had gone to Beijing.我要是去了北京就好了。

  ②If only he could come tomorrow.他要是明天能来就好了。

  [即境活用2]

  ______both sides accept the agreement will a lasting peace be established in this region.

  A.Only if   B.Unless  C.If only   D.As long as

  答案:A

  解析:主句中用了“will+主语+be”倒装结构,故选 Only if。

,高考英语重点句型分析(二十)
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