used not do和didn't used to do有什么区别前者是做情态动词吗?

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used not do和didn't used to do有什么区别前者是做情态动词吗?
used not do和didn't used to do有什么区别
前者是做情态动词吗?

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 表示“过去惯常”,但“现在不做了”,指过去的习惯或状态,to 为不定式符号,后跟动词原形.有两点须注意：
①否定式.used to do sth.的否定式有两种形式：
used not (usedn’t)to do sth.
didn’t use to do sth.例如：
He didn’t use to (usedn’t to)like country music,but now
he is getting interested.
②疑问式.used to do sth.的疑问式也有两种形式.其简短回答中的to通常不予省略,但动词原形常被省略.
Did + sb.(主语)+ use to do sth.
Used + sb.(主语)+ to do sth.
Did he use to play basketball?
Used he to play basketball?

used to 表示“过去惯常”，但“现在不做了”，指过去的习惯或状态，to 为不定式符号，后跟动词原形。有两点须注意：
①否定式。used to do sth.的否定式有两种形式：
used not (usedn’t)to do sth.
didn’t use to do sth.例如：
He didn’t ...

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used to 表示“过去惯常”，但“现在不做了”，指过去的习惯或状态，to 为不定式符号，后跟动词原形。有两点须注意：
①否定式。used to do sth.的否定式有两种形式：
used not (usedn’t)to do sth.
didn’t use to do sth.例如：
He didn’t use to (usedn’t to)like country music,but now
he is getting interested.
②疑问式。used to do sth.的疑问式也有两种形式。其简短回答中的to通常不予省略，但动词原形常被省略。
Did + sb.(主语)+ use to do sth.?
Used + sb.(主语)+ to do sth.?
Did he use to play basketball?
Used he to play basketball?

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used not do和didn't used to do有什么区别前者是做情态动词吗? used not to do didn't use to do sth 区别 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 use to do的一种否定形式是：didn't used to和didn't use to ? 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 do not和did not哪一个是didn‘t的原形 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 He ________Beijing opera,but he‘s very fond of it nowA don't used to B didn't use like C didn’t use to like D used not like 求翻译和解释答案 'didn't used to do sth' 为什么前面用了过去式后面还用used? we _____to like eggs A.use not B.not used C.didn'we _____to like eggsA.use notB.not usedC.didn't useD.don't use used to do 的否定式didn't use to do 中的use怎么读? 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 He____live in London for ten years.A.used to B.used not to C.didn't 原因? 英语翻译where did u run away why didn't u reply my messages?how can u do this 2 me u r not with ur gf ,r u sorry ,i don't blame u 2 that ,it s all my 4lt,i shouldn't have tried to interrupt.besides.who can be so heartless to blame such a sweetie 是didn't used to 还是 didn't use to