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英语六级语法必备之比较while,when,as

时间:2016-09-28 00:09:50

(单词翻译:单击)

   1)as1, when 引导短暂性动作的动词。

  Just as / Just when / When I stopped my car, a man came2 up to me.
  2)当从句的动作发生于主句动作之前,只能用when 引导这个从句,不可用as 或 while3
  When you have finished4 your work, you may have a rest.
  3)从句表示"随时间推移"连词能用as,不用when 或while。
  As the day went on, the weather got5 worse6.
  日子一天天过去,天气越变越坏。

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1 as pNiyL     
conj.按照;如同
参考例句:
  • He got work in a hotel as a waiter.他在一家旅馆找到了当服务生的工作。
  • In the hotel,the old men were drinking away as usual.在旅馆里,这些老人和往常一样喝个不停。
2 came xTYyl     
v.动词come的过去式
参考例句:
  • I was surprised why he came here so early.他为什么那么早到这里,我很惊奇。
  • The doctor came in time to save his life.医生及时来抢救他的生命。
3 while IeZz7W     
conj.当…的时候;而;虽然;尽管 n.一会儿
参考例句:
  • In a short while,the cat ate up the fish.不久,那只猫便将鱼吃个精光。
  • He teaches English in the school all the while.他一直在这所学校里教英语。
4 finished otFzWn     
adj.完成的,精湛的;v.动词finish的过去式和过去分词
参考例句:
  • We finished up everything there was on the table. 我们把桌上的东西全吃完了。
  • We can certainly have the job finished on time.我们肯定能按时完成任务。
5 got wfuxi     
v.(get的过去式)得到,猜到,明白
参考例句:
  • I just got some bad news.我刚得到一些坏消息。
  • I have got far too much work to do.我要做的事太多了。
6 worse zf7w1     
adj.更坏的,更差的;adv.更坏,更差
参考例句:
  • I have even worse news for you.我有更坏的消息告诉你。
  • The weather got worse during the day.白天天气更坏了。