how many times和how often的区别：how often意思是“多久一次，多常”，用来对动作在时间上所发生的频率提问，其提问部分或答语部分往往是always，usually，often等。how many times意思是“多少次”，用来询问动作发生的次数。
how many times和how often的区别
1、含义不同
How many times：多少次;几次;提问次数。
How often：多长时间一次。
2、询问对象不同
How many times：询问次数
How many times has your mother told you never to talk to strangers?
你母亲告诉你多少次了，绝不能和陌生人谈话？
How often：询问频率
How often do you brush your teeth?
你多久刷一次牙？
3、侧重点不同
How many times：用来询问动作发生的次数。其提问部分或答语部分往往是表示次数的once, twicey以及three times, ten times等“基数词+times等结构。
How often：用来对动作在时间上所发生的频率提问，其提问部分或答语部分往往是频度副词或every day, every week等。
how many times和how often造句
how many times
1、How many times Ive told you!
我跟你说过不知多少次了。
2、How many times do I have to spell it out?
我要仔仔细细讲多少遍？
3、I dont know how many times he comes a day.
他一天不定来多少次。
how often
1、No matter how often they turn up, their welcome never wears out.
不管他们多久露面一次，都永远那么受欢迎。
2、I don't know how often I heard the same awful jokes.
这种千篇一律的烂笑话我不知道听过多少回了。
3、No matter how often they were urged, they could not bring themselves to join in.
就算别人说破了嘴皮，他们就是不加入。