1:There used to be a bookshelf here .( There be句型) 2:It used to be said that… ( 固定句型,过去常说) 3:It used to doing something ( 过去习惯做某事) 4:Used you to go to the park ( used一般疑问句直接提前used) 5:Where used you to do ( used特殊疑问句直接提前used)
I used to get up early. What did I use to do?五件事。。。。。。。。。。We used to do homework together after school. She used to copy my homework before class. He used to make a fool of his step-father...