现在完成时被动语态是英语语法中的一个重要时态，例如："这个房子已经被卖掉了"（This house has been sold），"这个项目已经被完成了"（This project has been completed），"这个问题已经被解决了"（This problem has been solved）等等。这些例句可以帮助您更好地理解和使用这个时态。
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这个房子已经被卖掉了。
This house has been sold. -
这个项目已经被完成了。
This project has been completed. -
这个问题已经被解决了。
This problem has been solved. -
这个文件已经被审核了。
This document has been reviewed. -
那个电影已经被观看了很多次。
That movie has been watched many times. -
这个菜已经被煮熟了。
This dish has been cooked. -
这封信已经被寄出了。
This letter has been sent. -
这个城市已经被发展了很多年。
This city has been developed for many years.
