1、 used to的一般疑问句有两种形式都可以。
2、 used to其两种回答结构如下:
（1）Yes, 人称代词主格 + did.
No, 人称代词主格 + didn't.
（2）Yes, 人称代词主格 + used.
No, 人称代词主格 + usedn't.
拓展资料
used to的用法
1、I feel more compassion and less anger than I used to.
我觉得自己比过去多了些同情，少了些怒气。
2、A kid I used to be friends with turned against me after being told that I'd been insulting him.
曾和我很要好的一个小孩听人说我一直在辱骂他以后就和我翻脸了。
3、The machines start to wear down, they don't make as many nuts and bolts as they used to.
机器开始出现磨损，螺母和螺钉的产量不如从前了。
4、I used to pour time and energy into projects that were doomed from the start.
我过去常常将大量时间和精力投入到从开始就注定要失败的计划中。
5、This piece of cloth can be used to make a pair of pillow cases.
这块布可以做一对枕套。
6、But the possibilities that emerged were not used to the full.
但出现的各种可能情况并没有得到充分利用。
7、The new technique has been used to identify the sex of foetuses.
这一新技术已经被用来鉴别胎儿的性别。
8、Mum and I used to fall out a lot.
我和妈妈过去经常争吵。
9、Your immune system has been desensitized because it has become used to the substance.
你的免疫系统已经因习惯了这种物质而不再敏感。
used to do sth
的一般疑问句有两种形式
Did ...use to do ...?
Yes，...did.
No，...didn't.
或
Used..to do..?
Yes，...used.
No，...usedn't.
1、 used to的一般疑问句有两种形式都可以。
2、 used to其两种回答结构如下:
（1）Yes, 人称代词主格 + did.
No, 人称代词主格 + didn't.
（2）Yes, 人称代词主格 + used.
No, 人称代词主格 + usedn't.
拓展资料
used to的用法
1、I feel more compassion and less anger than I used to.
我觉得自己比过去多了些同情，少了些怒气。
2、A kid I used to be friends with turned against me after being told that I'd been insulting him.
曾和我很要好的一个小孩听人说我一直在辱骂他以后就和我翻脸了。
3、The machines start to wear down, they don't make as many nuts and bolts as they used to.
机器开始出现磨损，螺母和螺钉的产量不如从前了。
4、I used to pour time and energy into projects that were doomed from the start.
我过去常常将大量时间和精力投入到从开始就注定要失败的计划中。
5、This piece of cloth can be used to make a pair of pillow cases.
这块布可以做一对枕套。
6、But the possibilities that emerged were not used to the full.
但出现的各种可能情况并没有得到充分利用。
7、The new technique has been used to identify the sex of foetuses.
这一新技术已经被用来鉴别胎儿的性别。
8、Mum and I used to fall out a lot.
我和妈妈过去经常争吵。
9、Your immune system has been desensitized because it has become used to the substance.
你的免疫系统已经因习惯了这种物质而不再敏感。