how often的用法是什么?

如题所述

How often: 是对频率的提问
例如:how often does he purchase ?
他多久采购一次?
how many times :就是对次数进行提问:
如:how many times did he purchase in this year?
今年他采购了几次?

How many times就次数提问
how often 就频率提问
how often意为“多久……次、是否经常”,用来提问在某一特定的时间进行某个动作的次数,答语通常是always,usually,often,sometimes,once/twice a day/month等。

—How often do you get to school very early? 你多久早到校一次?
—Usually. 通常。

—How often do you see a film? 你多久看一次电影?
—Once a month. 每月一次。
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其他知识点
how long, how often, how soon三者都可以译成“多久”。how long用来提问“多长时间”,对“一段时间的长短”提问时用,与延续性动词连用;how often用来提问某动作或状态发生的频率,对“一段时间内发生了几次活动”(always,usually, often, never或twice a day等表示频度的词或短语)提问时用;how soon用来提问某人要“多快”能做好某事,或某事要“多快”能完成,对“过多少时间(就能……)”(in短语)提问时用,常用于将来时。而how far意思是“多远”,对距离提问时用。例如:

How long did you stay there? 你在那儿呆多久?

How often do his parents let him watch TV? 他父母多久让他看一次电视?

How soon will her husband come? 她丈夫多久会回来?
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