短语词组短語used d to be 過去是and used to be 改變了一切used to be common 過去很普遍used to be sb 過去什麽職業Used to be quiet 過去常常安靜Customer Used To Be 爲會Used to be ignored 習慣被忽略used to be alone 曾經孤單;縂是孤身一人that used to be 原來是;曾經是 返回 used to be