2．完成式的被动形式 I heard of his having been chosen to be the coach of the team. 我听说他被选为球队的教练. Having been shown the lab, we were taken to see the school library.在被带去看了实验室之后.我们又被带去参观校图书馆. D. 动词-ing形式的否定形式 动词的-ing形式的否定形式是由not 加动词的-ing形式构成. His not coming made everyone present very disappointed. 他没来使在场的每个人都很失望. I'm sorry for not being present at the meeting in time. 我很抱歉没能按时赴会. Not knowing his address, I could do nothing but stay at home and wait. 不知道他的地址.我只好在家里等着. 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. 【查看更多】
