How often do you call your wife?(你多久給你妻子打一次電話？)

How often do you have a bath?(你多久洗一次澡？)

How often do you have a sandwich?(你多久吃一次三明治？)

How often do you buy dolls?(你多久買一次娃娃？)

How often do you do the cooking?(你多久下廚一次？)

How often do you go riding?(你多長時間騎一次馬？)

How often should I take this pill?(這藥片多久吃一次？)

How often do you go swimming?(你多久去游泳一次？)

How often do you go to the theatre?(你多長時間看一次戲？)

How often do you show this trait?(你多久會展現出這種特質一次？)