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how often how long how far how many how much 的区别

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how often how long how far how many how much 的区别
how often how long how far how many how much 的区别
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.