didn't use to do 和 usedn't to do 一样吗 都是什么意思 .

use to do的一种否定 形式是：didn't used to和didn't use to ? didn't use to do 和 usedn't to do 一样吗 都是什么意思 . used to do 的否定式didn't use to do 中的use怎么读? 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 not to do didn't use to do sth 区别 是didn't used to 还是 didn't use to Tom usedn't to drink.和Tom didn't use to drink有什么区别? 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 英语中的used to do 的否定式还有疑问句怎么变换 是“didn‘t use to do”“did you used to”吗 didn`t need to do 和need not to do区别 didn`t need to do 和need not to do区别 I didn‘t promise to do 和I promised not to do 有什么不一样 you didn't use to be like that 翻译 didn't ,like ,l,to ,tests ,use ,连词成句 didn't use to 造句 要有中文（3句） i didn't mean to do 急 you didn't use to _(hate)math,didn't you?