there be 和used to there uesd to be a buiding here. 变否定,一般疑问句及回答 There didn't use to be a building here. Did there use to be a building here? Yes,there did. No,there didn't. 还是 There uesdn't to be a buiding here. There isn't uesd to be a buiding here. Was there ues to be a buiding here? Yes,there was. No,there wasn't.