问题描述： 请问May be 和May have been 的区别,它们分别在什么时候用? 1个回答 分类：英语 2014-11-22 问题解答： 我来补答 第一个是对现在或者将来的猜测第二个则是对过去的猜测.例如：You may be right.You may come tomorrow.He may have come here this morning but he didn't. 展开全文阅读
