葉落罒無痕
如果你问的是用于提问的“多久一次”,那就是how often例如,How often do you read?如果是陈述句的话,比如你说,一周三次之类的,即three times a week
立志做渔婆
how 对时间(how long),方式 when 对时间what 对物体之类的主语或者宾语提问which 是从一堆人,物中间选择一个时提问who 对人提问whom 提问的时候前面加一个介词,也是对人提问,但是仅限作宾语的人
shally9073
how 对方式How do you get to school? when 对时间 When will you go?what 对物体之类的主语或者宾语提问What is your favorite color?which是对人或物提问Which one do you like?who 对人提问Who is the best student of the three?whom 提问的时候前面加一个介词,也是对人提问,但是仅限作宾语的人 how much对价格提问how much does it cost?how many对数量提问how many books do you have?why 对原因提问why did you go last night?