there be的一般过去式被动语态是怎么样的?there were few buildingsafter the wa

there be的一般过去式被动语态是怎么样的?there were few buildingsafter the wa there be句型的被动语态是什么样的? 一般现在时和一般过去式的被动语态 一般过去式被动语态的构成是什么? there were few people,_____ _______?改反义疑问句 .是前半句用的过去式,反问也用过去 there be 句型一般将来时和一般过去式的结构 There be句型的过去式 there be 后面怎么用被动语态 there must be 有被动语态吗 过去式,过去完成式,一般完成式和被动语态的区别 过去式的被动语态转换 请教该如何理解被动语态和there be的句子结构?