how often how long how far how many how much 的区别
问题描述：
how often how long how far how many how much 的区别
答
how often”多长时间一次”对在某一特定的时间内进行的动作次数进行提问,其答语一般为“never sometimes usually”等频率副词.
例如：How often do you exercise?——every day.
how long“多长时间一次”是询问动作持续的时间,答语通常是表示时间的状语（two weeks等）前面一般跟介词for；有时也可以表示长度.
例如：How long do you watch TV every day?——for three hours.
how far “多远” 一般指的是一地到另一地的距离
例如：How far is it from your home to schooi?——three kilometers.
how many 和how much 均可表示“多少”how many 修饰可数名词的复数形式,而how much 修饰不可数名词,还可以用来询问价格.