说明
介词宾语如何变为被动句的主语？
核心问题
——Why does Ling Ling look so unhappy? ——She has ____ by her classmate. A. laughed B. laughed at C. been laughed D. been laughed at(全国高考) 答案为 D。但是介词 at 为什么没有宾语呢？
词典解答
见 agree on, look at 。
passives⁵ (被动句)
介词宾语如何变为被动句的主语？
介词宾语如何变为被动句的主语？
介词宾语如何变为被动句的主语？
——Why does Ling Ling look so unhappy? ——She has ____ by her classmate. A. laughed B. laughed at C. been laughed D. been laughed at(全国高考) 答案为 D。但是介词 at 为什么没有宾语呢？
见 agree on, look at 。