问题描述: 现在完成时.主语have/has+动词的过去分词.【ever.already] 1陈述句 2一般疑问句 3肯定回答/否定回答. 1个回答 分类:英语 2014-11-04 问题解答: 我来补答 I have already read this book.Have you ever read this book?Yes,I have./No,I havn't. 展开全文阅读