您要查找的是不是：
- How often do you have a bad back? 你多长时间腰痛一次?
- How often do you have sex? 你多久做一次爱?
- How often do you have your car greased? 你多久才给小轿车上一次油？
- How often do you have the flights to Bonn? 去波恩的飞机几天一趟?
- How often do you have your bowels opened? 你多长时间排一次大便?
- How often do you hear from your sister? 你多长时间接到你姐姐一次信?
- How often do you go to the library? 你多长时间去图书馆一次？
- How often do you hear from your brother? 你多久接到你兄弟一次信？
- How often do you wash your hair? 你多长时间洗一次头？
- How often do you hear from you sister? 你多长时间收到你姐姐一封信?
- How often do you shampoo your hair? 你多久用洗发剂洗一次头?
- How often do you visit your grandparents? 你多久看望爷爷奶奶一次?
- QUE: Did you have sex every time she came? 问：她每次来你们都发生两性关系吗?
- How often do you go to the dentist? 你多久看一次牙医?
- How often do you go to a hairdresser? 你多长时间去一次美容院?
- How often do you go to the theatre? 你多长时间看一次戏?
- How often do you use(= travel by)the bus? 你多长时间坐一次公共汽车?
- A: How often do you water the flowers? 你多久给花浇一次水?
- How often do you chat online? -Once a week? 你多经常上网聊天?-每周一次。
- How often do you clean your dining hall? 你们隔多少时间打扫一次餐厅?
