一般疑问句的被动语态怎样改变

被动语态就是：be动词+过去分词构成,但有部分情况是可以主动表被动的,例：the pen writes well.do you like the pen?变被动 Is the pen liked by you?Did say anything interesting?首先很抱歉地告诉你句子少了主语...