问题描述: they often play chess after they have had supper从句为什么用完成时? 1个回答 分类:英语 2014-10-21 问题解答: 我来补答 也可以用一般现在时they often play chess after supper因为after后面要接的是已经吃完的状态,即吃完饭之后. 展开全文阅读