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She and her family hid away for nearly 25 months before they

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 01:53:58
She and her family hid away for nearly 25 months before they were discovered.为什么要用hide的过去
式而不是 had hidden away
they were discovered 她们被发现了.说明是过去时.
那么hid away for nearly 25 months就更加是过去的事情了.
所以要用过去时.
如果两个动作紧接着发生,则常常不用过去完成时,特别是在包含before和after的复合句中,因为 这 时从句的动作和主句的动作发生的先后顺序已经非常明确,这时可以用一般过去时代替过去完成时.