初三英语句型转换改为否定句

初三英语句型转换改为否定句
I an used to the lifestyle of a traveler. (改为否定句)
I _____ _____ _____ the lifestyle of a traveler.
仅有三个空哦!在线等,最多等到星期天晚上!
有答案在追加!谢谢各位了!
打错了，原句为I am used to the lifestyle of a traveler.