为什么是完成了的动作却用have 举个例子：she has turned on the light,she had turned _英语解答

为什么是完成了的动作却用have 举个例子：she has turned on the light,she had turned on the light.
明明是已完成了为什么还有have/has的表示,我只明白做过的事用陈述句是用had,说话人说的话用have,has.归根结底的问题还是怎么去判断英语中过去做的事对现在有没有影响了.

人气：445 ℃　时间：2019-11-14 09:02:22

解答

这是一个时态问题she has turned on the light表示她现在已经打开了灯,而she had turned on the light表示在过去完成的动作,其实这里最好加上时间,便于区别,she had turned on the light 10 minutes ago.十分钟之钱,...