被动语态 结构：be + done (动词的过去分词)
其中BE的时态体现了每种时态时态被动结构一般现在时Be(am/ is/ are)+done一般过去时Be(was/ were)+done情态动词can/ may/ should/ must be + done现在进行时be(am/ is/ are) being + done一般将来时will be + done现在完成时have/ has been +done过去将来时would be +done过去完成时had been + doneBe going to dobe going to be + done 被动语态 : 语态是动词的一种形式，用以说明主语与谓语动词之间的关...
