Sometimes he was absent from classes and failed his examinations.
有时他缺课，考试也不及格。
2
Not having studied his lessons very hard, he failed the examinations.
因为没有努力学习功课，他考试不及格。
3
Jack had gone to the university to study history, but at the end of his first year, his history professor failed him in his examinations, and he was told that he would have to leave the university.