问题描述: He ought _____(not be)late for class again. 1个回答 分类:英语 2014-10-01 问题解答: 我来补答 你好.绝对有两种表达:1 He ought NOT TO BE late for class again. --------指从现在起或者将来2 He ought NOT TO HAVE BEEN late for class again.--------指过去 (所以,你的句子缺少语境,容易cause headaches.记得以后加上语境.) 展开全文阅读