There used to be a lake near the farm的反义疑问句到底怎么做?有人说只能是didn't there?有人说 usedn‘t there 和Usen't there也对,还有大学英语语法教程上说只能是 wasn't there?有没有外教或专家渠道来解释下?我个人一直倾向于人为there used to be。中的used to。只是个表示过去的状语，真正关注的还是“存在”即 be，也只有be动词才能与句型there be 呼应，因此，我还是倾向于wasn't there 或后面为复数名词时的weren’t there

There used to be a lake near the farm的反义疑问句到底怎么做?
有人说只能是didn't there?有人说 usedn‘t there 和Usen't there也对,还有大学英语语法教程上说只能是 wasn't there?有没有外教或专家渠道来解释下?
我个人一直倾向于人为there used to be。中的used to。只是个表示过去的状语，真正关注的还是“存在”即 be，也只有be动词才能与句型there be 呼应，因此，我还是倾向于wasn't there 或后面为复数名词时的weren’t there