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）

分类: 作业答案 • 2021-12-19 15:28:20

问题描述：

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）

答

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