现在完成时结构:
have+过去分词
He has been to Beijing.
这句话中be to表示 去过…… 的意思,所以have+过去分词,be→been
现在完成时被动语态结构:
have+been+过去分词
而被动语态结构:be+过去分词 ,完成时中be 变成了been
He has been taught English for five years
如还有疑问~欢迎追问
现在完成时结构:
have+过去分词
He has been to Beijing.
这句话中be to表示 去过…… 的意思,所以have+过去分词,be→been
现在完成时被动语态结构:
have+been+过去分词
而被动语态结构:be+过去分词 ,完成时中be 变成了been
He has been taught English for five years
如还有疑问~欢迎追问