when引导的时间状语从句能用过去进行时吗

如题所述

  when引导的时间状语从句能用过去进行时。当主句为一般过去时、过去将来时、过去进行时、过去完成时时,when引导的时间状语从句通常用一般过去时。
  在复合句中,担任状语成分的从句称为状语从句。时间状语从句说明主句动作发生或进行的时间。状语从句由连词引导,其位置通常可以放在句首或句末。放在句首是,常用逗号与主句分开;放在句末时,从句前面往往不加逗号。
  引导的时间状语从句的主从复合句中,动作发生在先的用过去完成时,在后的用过去时。表示前面的叙述所没有提到过的信息。它总是对所描述的事件予以引人注目的强调,意为“这时;突然”;当位于句末的分句具有引种用法时,大致有以下三种情况:
  A. when 分句前面的分句使用过去进行时。如:
  (1) He wasstill smiling when the door opened and his wife came in. 他正笑着的时候,门突然
  开了,他妻子走了进来。
  (2) I was thinking of this when I heard myname called. 我正想着这件事时,突然听到有人叫我
  的名字。
  B. when 分句前面的分句使用 was (were) about to, was (were) on thepoint 等。如:
  (1) We were about to start when it began torain. 我们刚要出发就开始下雨了。
  (2) He was on the point of leaving when someone knocked at the door. 他刚要走就有人敲门。
  C. when 分句之前的分句用过去完成时,其中sb had hardly / scarcely /barely … when 已成为固
  定词组。如:
  (1) We had hardly fallen asleep when the bell rang. 我们刚刚入睡,铃声就响了起来。
  (2) He had scarcely arrived when he had to leave again. 他刚刚到达就又要离开了。
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第1个回答  2016-05-02
可以的:表示“当.......的时候“,when前面或是后面都可能出现过去式,但是表示过去式的动词一般是短暂性的动词。如:
Hardly had he arrived when she started complaining.
他刚一到,她就开始抱怨。
The game hardly had begun when it started raining.
比赛刚刚开始就下起雨来。
He could hardly conceal his excitement when she agreed.
当她表示同意时,他不能抑制自己的兴奋。
I was just reading a book when she came into my room.
她走进我房间时,我正在看书。
They were about to leave when the visitor came(他们正准备走时,采访者来了)
第2个回答  2016-04-29
能,但这种情况一般用while

I saw a wallet on the ground when / while I was walking past the playground .本回答被提问者采纳