Jim is sometimes not very punctual. 吉姆有时不太准时。(from www.nmet168.com)

He is sometimes not satisfied with my work. 他有时对我的工作不满意。

Debbie is sometimes not responsible for what she does. 戴比有时对她所做的事不负责任。

六、如何对频度副词提问

对频度副词提问，英语通常用how often。How often的本意是“多经常”，通常译为“多久”“隔多久”。如：

How often do you wash your hair? 你多长时间洗一次头发?

How often do you go to church? 你隔多久去做一次礼拜?

How often do you have a bad back? 你多长时间腰痛一次?

How often do the buses run? 公共汽车隔多长时间一班?

How often do you hear from your sister? 你多长时间接到你姐姐一次信?