完全错误的叙述。
1、not 只是否定词,对动词的功用进行否定,与时态无关,必要时尚需与助动词搭配使用。
She doesn't love speaking a lot in front of the public.
2、不过,在现在、过去进行时的否定式句型里,not 后动词的确都有加 ing,但与 not 的出现与否无关,只与时态有关。
She is speaking an old story to these children.
She is not speaking an old story to those children.