问题描述: he was believed to have stolen it 为什么有was,believed是怎么回事,是什么时态 1个回答 分类:英语 2014-10-17 问题解答: 我来补答 he was believed to have stolen it was believed :一般过去式的被动语态被动语态,BE动词 加 动词过去分词,这里的was是is的过去式 展开全文阅读