题目

there used to be 一般疑问句是used there to be
there used to be 一般疑问句是：
Did there use to be...（对吗）
there used to be 的否定句是：
There didn't use to be...（对吗）

提问时间：2020-05-19

答案

there used to be 一般疑问句是：
Did there use to be
there used to be 的否定句是：
There didn't use to be