but ever since he moved in,he has had trouble with cars.前面一句

问题描述:

but ever since he moved in,he has had trouble with cars.前面一句为什么不用完成时.
1个回答 分类:英语 2014-11-18

问题解答:

我来补答
表示自从那个动作以后
只是表述那个时间点,而不是从那个点到现在这段时间
 
 
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