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often是 频率副词，和sometimes，always，never，frequently等一样表示习惯性。 1、often后接动词原形用于 一般现在时： 例：I often go to the library on Sundays. 我经常星期天去图书馆。 2、often后接 … · how often 指 “每隔多久,多久一次做。。。”， 主要用来对 频度副词或状语 (如：once a day, three times a week 等)提问。 如：A：How often does he come here? 他 (每隔)多久来一 … 经常英文：often 、frequently、regularly 1、often 读音：英 [ˈɒfn] 美 [ˈɔ:fn] adv.经常;常常;时常;再三 比较级： more often 最高级： most often 例句：People often have incorrect information about food. 人 …
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