How soon, How ofen, How long的用法和区别 1、how soon,一般用于将来时态，意思为“多久之后”，侧重某人某事能 多快时间完成. 后面回答用: in+” 如 “ in two days” “in five years” 例如： A：How soon will he be back? 他要多久才回来? B：In an hour. 1 小时以后。 2、how long,表示多长时间，主要用来对一段时间(如three days, four weeks 等)提问 例句：A：How long did he stay here? 他在这儿呆了多久? B：About two hours. 大约两小时。 How long 还表示“东西有多长” 如：A: How long is the river? 这条河有多长？ B: About 50 km. 大约50千米。 3、How often，它是一个对频率提出问题的疑问词,表示 “多少时间一次或每隔多久” 比如：once a week， three times a week（month 、year……） 例如：A：How often do you play table tennis? 你们多久打一次球? B：Once a month. 每月一次。 知识点补充： How far 的意思是多远，一般引导提问路程、距离的特殊疑问句 例：How far is it from your home to school? 你家到学校有多远？ 练习题 对划线部分提问 1、It took me three hours to do my homework. __ __ __ __ __ __to do __ homework? 2、He will come here in ten minutes. ___ ___ will he ___ ____? 3、Mary visits her parents once a week. ____ ____ ____ _____ ____ her parents? 4、It is five miles from the bookshop to the bus station. ____ ____ ____ _____ from bookshop to the bus station? 5、There are two apples in my bag. ___ ____ apples ___ ___ in ___ bag? 6、The line is about six meters . ___ ___ is the line? 7、“______will he leave here?” “He will leave here in a month” A. How often B. How long C. How soon D. How many times 8. “____does he watch TV” “Once a week.” A. How long B. How soon C. How often D. How many 9． I don’t know_______ he will get here. A. how long B. how soon C. how often D. how many 10. “_____does he take this medicine?” “Twice a day.” A. How soon B. How long C. How much D. How often 11. “_______have you been at this factory?” “I have been here since 1993.” A. When B. How long C. How often D. What time a 12. “________can you finish this work?” A. How often B. How soon C. How long D. How far 13. “__________ will he stay here?” A. How many times B. How often C. what time D. How long 14. _______does your sister write to your parents? A. How many B. How often c. How long D. How far 本文来源：https://www.wddqw.com/doc/a905898205a1b0717fd5360cba1aa81145318f37.html