没听说过nit要提前的。应该是not放在句首,要用部分倒装,也就是助动词提前吧?
你可以把be,do,have 和情态动词都视为助动词
有些词虽然不是Not,但是也有否定含义,比如hardly,never,little等,所以和Not放句首倒装方法一样的
比如
Not a single person in the party did I know.
Hardly had he got on the bus,the train left.
Never had I met a girl like her before