had done 和 had been done有什么区别啊?
来源:百度知道 编辑:UC知道 时间:2024/06/16 00:05:34
做题我老混 后面的是不是前面的被动式啊
有什么区别吗
知道的可以给我详细讲解一下吗》
谢啦
有什么区别吗
知道的可以给我详细讲解一下吗》
谢啦
sb.have done sth. 主语是人
sth. has been done(by sb.) 主语是事物
都表示以完成某物某事
例如:
I have finished my homework.(have done句型)
My homework has been done.(have been done句型)
另外,如果是had done,句中一定要含有表示过去时间的词,如yesterday等,否则不能轻易用had done,应该用have done.
希望提问者满意该答复。
had done 是曾经做过了什么,主语是I ,我
had been done 是曾被做了什么,被动形式
had done 是 过去完成试的主动形式。 had been done 是过去完成时的被动形式
sb had done sth,sth had been done by sb.,都是用的过去完成时,其实也就主动和被动的区别,其他没什么。
很简单啊,首先had done 与 had been done都是过去完成时,首先要正确理解过去完成时的用法,在理解的基础上,我们把had去掉,分析下,一个是done 一个是been done,区别不是很简单嘛。
关键是要正确理解过去完成时的用法
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