你多久去看一次电影的英文是：How often do you go to the movies?
how often指“每隔多久，多久一次...”，主要用来对频度副词或状语（如: once a daythree times aweek 等）提问。
用来提问某动作或者状态发生的频率，指的是“一段时间内发生了几次活动”。
关于How often的双语例句：
1、How often do you have your hair cut?
你多长时间剪一次头发？
2、he recounts how they often talked of politics.
他讲述他们如何常常谈论政治。
3、How often you will visit the online shopping website in last half year?
于过去半年中，你浏览购物网的次数有多少?
4、There? How much is it? How often do you eat out? I apologize.
多少钱？你隔多久在外面吃一次饭？我很抱歉。
5、Regardless of how often I correct him, he always makes the same mistake.
不管我怎样经常告诫他，他总是犯同样的错误。
小可爱vivi
