九年级全册所有语法汇总1.介词by的用法1.意“在……旁”，“凑近”。Some are singing and dancing under a big tree. Some are drawing by the lake.有的在大下唱歌跳舞。有的在湖画画儿。2.意纵横比“不于”，“到… 止”。Your son will be all right by supper time.你的儿子在晚前会好的。
九年级全册所有语法汇总1.介词by的用法1.意“在……旁”，“凑近”。Some are singing and dancing under a big tree. Some are drawing by the lake.有的在大下唱歌跳舞。有的在湖画画儿。2.意“不于”，“到… 止”。Your son will be all right by supper time.你的儿子在晚前会好的。读书小
