英语搭配?be used to doing 的所有否定形式?didn't use to 对么?

英语搭配?be used to doing 的所有否定形式?didn't use to 对么? use to do的一种否定 形式是：didn't used to和didn't use to ? 否定形式是否有didn't used to be used to doing sth 的否定形式及举例 use to,be used to do,be used to doing和be used for的区别 "Didn't use to"与"Didn't used to"差别. 是didn't used to 还是 didn't use to use的用法.used to do sthbe used to do sth be used to doing sth 英语：“used to do sth”的过去式是“didn't use to do sth”吗? be used to doing,be used to do,used to do,be used for,be use 英语中use to/ be used to (doing)sth/ get use(d) to什么什么之类的解释以及用法 used to do 的否定式didn't use to do 中的use怎么读?