sb used to do sth.它的否定形式是什么?

sb used to do sth.它的否定形式是什么? used sb.to do sth.的回答 used sb to do sth 怎么回答 Ought sb. to do sth.?的肯否回答 Used sb. to do sth.?的肯否定回答. used sb to do sth?的肯定回答和否定回答 used to do sth. used to do sth used sb to do sth?的肯定回答和否定回答是什么?例如,used lily to walk to school?Yes,she used.No,she usedn't对吗 used to do sth 的否定式 help sb.(to)do sth.的例句 want sb to do sth的意思 want sb to do sth的意思 do sb.to do sth. make me do sth let sb do sth will do sth have to do sth in order to used to rather than 随便挑5个造五个句子 分别用上 五个不同的时态 急 谢谢、、、、、、、、、、、、、、、、、、、 make me do sth let sb do sth will do sth have to do sth in order to used to rather than 随便挑5个造五个句子 分别用上 五个不同的时态 急 hope sb.to do sth.和hope sb.do sth.的区别.有hope sb.to do sth. make sb do sth,invite sb to do sth,ask sb to do sth,let sb do sth这些短语的意思?区别? remind sb to do sth 的sth可不可以舍去