麻烦分析She has become very sophisticated since she went to live

学习时间:2026-06-05 02:27:07 阅读：8548

麻烦分析She has become very sophisticated since she went to live in London能不能主句用一般过去式呢?主句为什么要用完成式呢?

忧郁的百褶裙

2026-06-05 02:27:07

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现在完成时,过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在并且有可能还会持续的动作或状态。强调动作是从过去持续到现在,并有可能继续持续下去。