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How long have you been to department

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How long have you been to department
你多久去一次商场?还是应该how often呢
How long have you been to department
用how often.how often 表示频率,是多久一次
hong long ,表示长度,或者是时间的长久.比如说,你来这儿多长时间了.How long have you been here?
但是,一定要注意时态.how often 因为问的是频率,所以是一个经常性的活动,一般用一般时态.而how long 则表示动作已经完成,并对现在造成一定影响,所以,一般用完成时态.
而原句How long have you been to department store?可以改为How often do you go to the department store?或者是 How long have you been in departmentt store?
How long have you been to department "How long have you been How long have you been to ShangHai?For a year. how long have you been in与how long have been to的区别,还有how lon How long have you been skating? how long have you been playing basketball ? How long have you been swimming? How long have you been ____? 1.How long have you been here? how long have you been ---work? “How long have you been watching how long have you been 用法