过去完成时had done结构常见句型.docx
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1、Word过去完成时had done结构常见句型 过去完成时表示过去的过去发生的动作或存在的状态,因此其对比点是过去的动作或状态(大部分状况下以一般过去时did/was/were结构做比较)。为了同学们把握便利,现就将其常见句型总结如下: 1By the end of +名词(短语),主语 + had done 例如:By the end of the day, most of the inhabitants had left their homes.(到这一天,大部分居民已离开他们的家园。) 2主句(had done), before + 过去时间状语 例如:They had never se
2、en so many of the locusts before.(他们以前从未见过如此多的蝗虫) I had reached the station before six oclock. (六点之前我已到达车站。) 3. 用在told, said, knew, heard, thought等动词后的宾语从句,表示动作发生在这些动词之前。 例如:She said that she had never been to Paris.(她说她从未去过巴黎。) 4By the time + 从句(did/was/were), 主语 + had done 例如:By the time we arrive
3、d, everyone had received medical care.(我们到达时,每个人已接受了医疗护理。) 5主语 +had done, before 从句(did/was/were) 例如:Fortunately, the population had left the village before the volcano erupted.(幸运的是,火山喷发前人们已离开了村庄。) 6主语 +had done, when 从句(did/was/were) 例如:They had already put the fire out when I returned to the vill
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