问问题描述
答精选答案

has been是现在完成时态。has:有; have 的第三人称单数现在时形式。been:v. 曾经; 曾经到过(某地)。are的过去分词; be的过去分词。
相关介绍:
A working party has been set up to look into the problem.
已成立一个工作小组来调查这个问题。
A new manager has been appointed to direct the project.
已任命一位新经理来管理这项工程。
The new bridge has been finished two years ahead of schedule.
新桥提前两年落成。
The information has been placed in the public domain.
这资料不受版权保护。
The scheme has been set up to help homeless people.
这个计划的目的是帮助无家可归的人。
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本文概览:has been是现在完成时态。has:有; have 的第三人称单数现在时形式。been:v. 曾经; 曾经到过(某地)。are的过去分词; be的过去分词。相关介绍:A working party has been set up to look into the problem.已成立一个工作小组来调查这个问题。A new manager has been appointed to direct the project.已任命一位新经理来管理这项工程。The new bridge has been f