英语时态：When all those present were seated he began his lecture.When all those present were seated he began his lecture.观众入场以后他才开始演讲,那观众入场就是过去的过去,应该用过去完成时的被动语态猜对呀,为什么这里用的是一般过去时的被动语态?
问题描述：
英语时态：When all those present were seated he began his lecture.
When all those present were seated he began his lecture.
观众入场以后他才开始演讲,那观众入场就是过去的过去,应该用过去完成时的被动语态猜对呀,为什么这里用的是一般过去时的被动语态?
答