After being cheated at the supermarket,he was to report this to their master.
问题描述：
After being cheated at the supermarket,he was to report this to their master.
为什么用 after being cheated,作状语,应该用 after cheated 因为being done作状语放在句首,应该与主句动作同时发生才对啊?
答
在这里after后面接短语说明是介词而不是连词（连词要连接句子的）,所以介词后面要用ing形式的,这里的being就不可省略了,表达的还是被动意义啊这只是一个习惯，when没有介词的词性，呵呵，after一般接词组时都视为介词的