there used to be的一般疑问句句式是什么样的?

there used to be的一般疑问句句式是什么样的? there used to be 一般疑问句是used there to be There used to be.的反义疑问句是怎么样的? used to的一般疑问句? 英语语法there be 句式一般疑问句的正确回答是怎样的? There used to be some cities wall.的反义疑问句 there be加used to 的反义疑问句是什么 There used to be......的反义疑问句应该怎么做？ There used to be a village,后面的反意疑问句是wasn't there还是didn't the There uesd to be 反义疑问句的回答是什么样的? There used to be反意疑问句 there used to be的意思!