used to句型做反义疑问句怎么做?

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used to句型做反义疑问句怎么做?

看情况.不过一般都是用过去时态.给你据几个例子:
He used to like bananas a lot,didn't he?
There used to be a lot of buildings,weren't there?
You used to be a teacher,weren't you?

He used to be a teacher, usedn't he?

语法书上说的用usedn't 或didn't , 包括there be 句型