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have been done和 have done什么区别?

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/11/17 22:57:43
have been done和 have done什么区别?
English has been taught in China for many years.(中国教英语已经多年.)
有没有been?为什么?
have been done和 have done什么区别?
have been done
表示已经被做(也许还在持续中),被动语态的完成
have done
表示已经做了某事,是主动语态的完成时
这个句子里English跟teach(即taught的原形)是被动关系,是被教.所以要加been