used to do改为否定句Jack used to live in a small village with his grandpa.改为否定句印象里不是应该在used和to之间加not吗?为什么答案是didn't use to

used to do改为否定句Jack used to live in a small village with his grandpa.改为否定句印象里不是应该在used和to之间加not吗?为什么答案是didn't use to You'd better ask Jack to go改为否定句 jack likes to set the dinner table改为否定句 Tom used to be really quiet[改为否定句 she used to watch TV last year.改为否定句 she used to be a history teacher 改为否定句 She used to be a history teacher改为否定句 My mother used to play tennis.(改为否定句） the+boy+used+to+eat+candy怎么改为否定句 My mother used to play tennis.(改为否定句 used to do的否定句和疑问句 2.Jack wrote some postcards and sent to friends(改为否定句)2.Jack wrote some postcards and sent to friends（把肯定句改为否定句） He used to wear glasses.(改为否定句) He () ()/() to weHe used to wear glasses.(改为否定句)He () ()/() to wear glasses. jack did his homework last night改为否定句jack ()()his homework last nightwhat else do you need 改为同义句what ()()do you need? I'd like Jack to clean the room.(改为否定句) I'd like jack ___ ___clean the room.I'd like Jack to clean the room.(改为否定句)I'd like jack ___ ___clean the room. She has to do her homework first.[改为否定句] Lucy wants to do more exercise.(改为否定句) do you like to play tennis?改为否定句