open作为动词意思是“打开”,是不能延续的.而作为形容词“打开的”则可以延续.
所以have been opened不能作为延续性的表达.
正确的表达为have been open,open在这里是形容词的用法,表示延续性的状态.
open变延续性动词是have been open还是have been opened?总觉得两个都行如果两个都行,那有
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