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    现在完成时 have/has +been+V(p.p) 他已经结束工作了.He has finished his work. His work has been finished. 8. 过去完成时 had +been+V(p.p) 到上个月为止.他们已经把这本书翻译成了英语. The book had been translated into English by the end of last month. 【查看更多】

     

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