Old as I am,I can still fight.分析听说是倒装,我只知道否定词在前时助动词\动词提前,那这个依据的是什么法则?

Old as I am,I can still fight.分析听说是倒装,我只知道否定词在前时助动词\动词提前,那这个依据的是什么法则?
Old as I am,I can still fight.分析
听说是倒装,我只知道否定词在前时助动词\动词提前,那这个依据的是什么法则?

Old as I am,I can still fight.分析听说是倒装,我只知道否定词在前时助动词\动词提前,那这个依据的是什么法则?
这个是AS的倒装
AS从句名词形容词副词要提前

按正常语序：as i am old, i can still fight.