used not to do didn't use to do sth 区别

used not to do didn't use to do sth 区别 used not do和didn't used to do有什么区别前者是做情态动词吗? used to do的否定used to do正式的否定形式是used not to do,口语中可以说didn't use to do .我想问,其他动词的否定都是在其前面加didn’t或者don't等助动词,为什么used to do的正式的否定形式要在used后面加 be used to do sth.否定形式是什么?也就是说,didn't used to do 还是didn't use to do used to do改为否定句Jack used to live in a small village with his grandpa.改为否定句印象里不是应该在used和to之间加not吗?为什么答案是didn't use to I --- to get up earlyAdid not use Bdid not used C do not useDdo not used 'didn't used to do sth' 为什么前面用了过去式后面还用used? you do not have to change yourself,to get used used to do 的否定式didn't use to do 中的use怎么读? use to do的一种否定 形式是：didn't used to和didn't use to ? He____live in London for ten years.A.used to B.used not to C.didn't 原因? 区分used to do sth./be used to doing/be used to do区分no longer/not…any longer/no more/not any more The foreigners __there,but they __the food there at first.A used to live ,didn't be used to B are used to living,didn't used to C used to live,weren't used to D used to living,usedn't to 选C 为什么选C be used to do 怎么用?后一个 空 不理 there used to be a church here ,----?A.don’t there B.used not there C.didn 't there D.didn ’t it 为什么 英语：“used to do sth”的过去式是“didn't use to do sth”吗?不好意思啊，是否定式。 used to do 造句 used to do用法 used to do用法