finished是这是现在完成时；
finished
adj. 完结的，完成的；精巧的
v. 完成；结束；毁掉（finish的过去分词形式）
例句：
They havent finished yet.
他们还没有结束。
Ill never get all this work finished.
这么多的工作我怎么也干不完。
'm afraid that it's not finished yet.
此事恐怕还没有完。
Haven't you finished your homework yet?
难道你还没有完成家庭作业吗？
Half (of) the work is already finished.
工作已经完成了一半。
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