《has been是什么时态》
时间：
hasbeendone是英语的时态之一，可是你知道hasbeendone是什么时态吗？
has been是什么时态 1
A peaceable settlement has been reached.
已经实现和解。
The gene for asthma has been identified.
哮喘病的基因已被识别。
Since 1977 otter hunting has been illegal.
捕猎水獭1977年以后就被列为非法了。
hasbeendone是英语的时态之一，可是你知道hasbeendone是什么时态吗？
A peaceable settlement has been reached.
已经实现和解。
The gene for asthma has been identified.
哮喘病的基因已被识别。
Since 1977 otter hunting has been illegal.
捕猎水獭1977年以后就被列为非法了。