The doctor has told you to take the medicine three times a d

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/17 20:10:13

The doctor has told you to take the medicine three times a day.why don't you do so?
这句英文里,为什么用现在完成时?has+done,难道那医生一直从过去跟他说到了现在?
我能去掉那个has么？

has done在这里表示过去的动作对现在的影响,是现在完成时的一种用法.强调医生对你说过这一动作对现在的影响（你为什么不吃药）
你说的是现在完成时的另一种用法,表示过去某一动作或状态一直持续到现在.
这是两种不同的用法
希望我的回答对你有所帮助

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