带“how”词组知多少

摘要

＜正＞1. how often意为"多久",表示多长时间做一次某事,对在句中做时间状语的表示频率的词进行提问。常见的频率副词有:always, usually, often, sometimes, every day,once a week等。如:—How often did your father come to see you?你的父亲多久来看你一次?—Once a month.一月一次。—How often do you watch TV?你多久看一次电视?—I watch TV every day.我每天都看电视。