一、often
读音：英 [ˈɒfn] 美 [ˈɔ:fn]
adv.经常;常常;时常;再三
比较级： more often
最高级： most often
例句：
1、They often spent Christmas at Prescott Hill
他们经常在普雷斯科特山过圣诞节。
2、I have often thought about this problem
我常考虑这个问题。
二、regularly
读音：英 [ˈregjələli] 美 [ˈregjələrli]
adv.定期地;有规律地，按时，照例，按部就班地;整齐地，有条不紊地;经常，不断地
例句：
1、I regularly have a drink to wind down.
我经常喝点酒放松一下。
2、We corresponded regularly.
我们定期通信。
三、frequently
读音：英 [ˈfri:kwəntli] 美 [ˈfrikwəntlɪ]
adv.往往;动辄;频繁地，屡次地;动
例句：
1、This kind of problem frequently crops up.
这类问题是经常发生的。
2、It frequently appears that Bell mistrusts all journalists.
似乎贝尔常常对所有新闻记者都持怀疑态度。
扩展资料：
反义词
一、never
读音：英 [ˈnevə(r)] 美 [ˈnɛvɚ]
adv.从不，从来没有;一点也不，决不;<口>不会…吧，没有;不曾
例句：
1、I have never lost the weight I put on in my teens
我十几岁时增加的体重一直没有减下去。
2、I would never do anything to hurt him
我决不会做任何伤害他的事情。
二、rarely
读音：英 [ˈreəli] 美 [ˈrerli]
adv.很少地;罕有地;极精彩地;珍奇地，绝佳地
比较级： more rarely 最高级： most rarely
例句：
1、They battled against other Indian tribes, but rarely fought with the whites
他们同其他印第安部落作战，但很少与白人并肩对敌。
2、I very rarely wear a raincoat because I spend most of my time in a car
我难得穿一次雨衣，因为大部分时间我都是呆在车里。
解释：
often 英[ˈɒfn] 美[ˈɔ:fn]
adv. 经常; 常常; 时常; 再三;
[例句]They often spent Christmas at Prescott Hill
他们经常在普雷斯科特山过圣诞节。
How often do you brush your teeth?
你多久刷一次牙？
She's going to come back every so often
她会偶尔回来的。
Every so often he would turn and look at her.
他会时不时回头看她一眼。
Although sometimes I feel like bothering, as often as not I don't
虽然我有时会觉得这是在找麻烦，但是通常并不会这样。
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