| 频率副词 | 频率 | 中文 | 例句（情系后，实义前） |
|---|---|---|---|
| always | 100% | 总是 | Sarah always gets up early. |
| usually | 80% | 通常 | usually have coffee in the morning. |
| often | 60% | 经常、常常 | He often plays football on weekends. |
| sometimes | 30% | 有时候(句首、尾表强调) | I sometimes watch TV before going to bed. |
| seldom / rarely | 5% | 很少、罕见 | It is rarely snowy in summer. |
| never | 0 | 从来没有 | I never drink alcohol. |
频率副词在句子中的位置可根据语法规则和句子结构来变化。
通常情况下，频率副词位于情态动词或系动词之后，实义动词之前（实义前情系后）
- He can never sleep. 他永远也睡不着。
- She is seldom ill. 她很少生病。
频率副词直接放在动词之前
- He always loves her. 他总是爱她。
- He often eats meat. 他经常吃肉。
当频率副词放在句首时，通常需要使用倒装语序
- I can never remember. 我永远也记不住。
- I never can remember. 我就是记不住。