have has been 是什么时态的havehas been to

问题描述:

have has been 是什么时态的
havehas been to

现在完成时,但一般都这么说:have/has done have/has been是现在完成时的被动语态现在完成时表示到说话时为止(或到现在为止)已经发生或完成了(不一定结束)的动作或状态.过去某一时间开始并一直持续到现在并且有可...