为什么有didProbably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.
问题描述：
为什么有did
Probably no man had more effect on the daily lives of most people in the Untied States than did Henry Ford a pioneer in automobile production.
答
最实用的方法就是背例句，每天坚持总结，你定会既不很快的。
答
did其实指代上文的had，因为全句是no more than 引领的一个比较结构，所以采用了部分倒装形式。
答
这个是为避免头重脚轻
本来应该是Henry Ford a pioneer in automobile production did（had.)
did 代替had ,为了避免重复,才用did代替,然后省略宾语.
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