often，usually，always，seldom，

频率副词有.在频率副词中，often，always，usually表示肯定意义，而never，seldom是表示否定意义的。这些频率副词在句子中一般作为状语修饰动作，它们放在实义动词之前，助动词/情态动词/联系动词的后面，表示动作发生的频率。

频率副词的使用：

1. often 常常；经常；时常；再三

例句：How often do you brush your teeth?...你多久刷一次牙?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。Unemployed Queenslanders were victims of personal crime twice as often as employed people.在昆士兰，失业人群沦为个人犯罪受害者的可能性比就业人群高一倍。

2. usually 经常

例子：police officers in the UK do not usually carry arms .英国警察通常不携带武器。She's not usually lacking in confidence.她平时并不缺乏自信心。I usually go to the gym during my lunch hour.我通常在午休时间去健身房。Valium is usually prescribed to treat anxiety.安定剂通常用于治疗焦躁。She usually sings in the shower.她常常边冲澡边唱歌。

3. always 总是

例子：While climbing up the stairs the old man always loses his breath.那老人上楼时总是气喘吁吁的.They're always farming out their children on their relatives.他们总是把孩子寄养在亲戚家.In some stories, genies are always found inside a lamp or bottle.在一些故事里, 灯里或瓶子中总是装有妖怪.Teachers always judge their students on the final examination.老师常根据期末考试来评价他们的学生.She always goes out of her way to please her guests.她总是不怕麻烦地使客人称心如意.

4. seldom 很少，罕见；难得；不大

例子：It is seldom that it rains in such a time in winter.在冬天这个时候很少下雨.A pheasant is a delicacy we seldom can enjoy.野鸡是我们很少能品尝到的美味.The compensations for the injuries seldom yield complete satisfaction.伤害赔偿很少使受害人称心如意.Lazy people seldom succeed.

5. never 从不，从来没有；一点也不，决不

例子：It is a fallacy to say that the camera never lies.说照相机绝不骗人，这是谬见。We were fated never to meet again.我们注定了永远不能再相见。I'll never forgive her for what she did.我绝不会原谅她做的事。He had made it clear to his wife that he would never forsake her.

他明确地向妻子说，永远不离开她。

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