done表示动作的被动和完成；being done表示某个被动的动作正在发生.
如;
The meeting held yesterday is important.昨天召开的会议很重要.
The meeting being held is important.正在召开的会议很重要.
Done 和being done的区别
done表示动作的被动和完成；being done表示某个被动的动作正在发生.
如;
The meeting held yesterday is important.昨天召开的会议很重要.
The meeting being held is important.正在召开的会议很重要.