来源:网络资源 2023-03-29 15:53:06
适用的场景
①过去的时间关于过去的动作,即“过去的过去”
-> 可以用by, before等介词短语或一个时间状语从句来表示,也可以用一个表示过去的动作来表示,还可以通过上下文来表示。
-> 句子演练1:Months had elapsed before I heard from my friend again.[好几个月过去后我才再次收到朋友的信。]
②由过去的某一时刻开始,一直延续到过去另一时间的动作或状态常和for, since构成的时间状语连用。
-> 句子演练1:They said he had distributed the lands among the peasants since he became rich.[他们说,他富裕之后就把土地分给了农民。]
-> peasants: n. (尤指昔日或贫穷国家的) 农民,小农,佃农; 老粗; 土包子; 没教养的人;
③在含有定语从句的主从复合句中,如果叙述的是过去的事,先发生的动作常用过去完成时
->句子演练1:I returned the book that I had borrowed.[我已归还了我借的书。]
->句子演练2:She found the key that she had lost.[她丢失的钥匙找到了。]
④过去完成时常常用在told, said, knew, heard, thought等动词后的宾语从句(或间接引语)中,这时从句中的动作发生在主句表示的过去的动作之前
->句子演练1:I wondered who had taken the umbrella without permission.[我想知道是谁未经允许拿走了那把伞。]
⑤状语从句里在过去不同时间发生的两个动作中,发生在前,用过去完成时;发生在后,用一般过去时如when, before, after, as soon as, till/until引导的从句。
⑥动词think, want, hope, mean, plan, intend等用过去完成时来表示过去未曾实现的想法、希望、打算或意图等
->句子演练1:They had wanted to help but could not get there in time.[他们本来打算去帮忙,但没有及时赶到那里。]
->句子演练2:We had hoped to be able to come and see you.[我们本来希望能来看看你。]
⑥过去完成时还可用在hardly……when……, nosooner……than……, It was the first(second, etc)time(that)..等固定句型中
->句子演练1:He had no sooner had time to settle down than hesold the house and left the country.[他还没等安顿下来就卖掉了房子,离开了这个国家。]
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