如何区分how often,how soon,how long这三个短语?

如何区分how long,how often 和how soon 如何区分how often,how soon,how long这三个短语? how often 和how many time 怎么区分? how often和how how so ( )do you need?Not so much. A.How much B.How many C.How long D.How often. HOW far,How heavy,How much,How long,How often how soon,how far ,how long区分 how was和how about 和how do you like如何区分 如何区分how soon how ofen how long我老分不清怎么用这三个词, 英语翻译这里how often how often的用法 how often词性 How often 翻译出来 how often怎么读 how often表示什么? how often怎么用 how long how soon how often how far 的区别.