how often后跟一般疑问句，常接助动词。

how often：conj.多长时间一次；多久；

often：

adv.时常;常常;往往;大多；

比较级： more often 最高级： most often

扩展资料

How often do you go swimming?

你多久去游泳一次？

How often do you exercise?

你多长时间锻炼一次？

How often do you go riding?

你多长时间骑一次马？

He was shocked at how often she used the F-word.

她常常使用粗俗的骂人话，这使他感到震惊。