We used to smoke.是什么时态的?怎么改为否定句?对smoke划线怎么提问?(词组是used to:过去常常）

分类: 作业答案 • 2021-12-29 16:01:25

问题描述：

We used to smoke.是什么时态的?怎么改为否定句?对smoke划线怎么提问?(词组是used to:过去常常）
求这三题、急~~~
不懂的、装懂的就别说了

答

Used you to smoke?
Did you use to smoke?
We didn't use to smoke.
We usedn't to smoke.
What used you to do?
What did you use to do?

We used to smoke.是 什么时态的?怎么改为否定句?对smoke划线怎么提问?(词组是used to:过去常常）