题目内容：

He ought _____(not be)late for class again.

优质解答

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.）