2.从属关系示例
示例1：I sat down beside her said nothing.
分析：动词关系混乱，假如想确保said，则需要牺牲后面，如：
I sat down beside her, saying nothing.
假如确保后面，则牺牲前面：
Sitting down beside her, I said nothing.
示例2：To quit smoking, I eat candies.
