(a)always,continually,frequently,occasionally,often,once,twice,periodically,repeatedly,sometimes,usually等(b)ever,hardly ever,never,rarely,scarcely ever,seldom等A 以上两组副词通常用在下列位置:
1 动词be的一般现在时后面:
He is always in time for meals.
他总是赶得上吃饭。
2 放在其他动词的一般现在时前面:
They sometimes stay up all night.
他们有时整夜不睡。
3 动词如是复合时态并由一个以上动词构成时,这类副词放在第一个助动词后面;如果动词是疑问式,则放在助动词+主语之后:
He can never understand.
他永远也不会明白的。
You have often been told not to do that.
多次告诫过你别干那事。
Have you ever ridden a camel?
你骑过骆驼吗?
特殊情况
(a)这类副词放在used to和have to的前面:
You hardly ever have to remind him;he always remembers.
你根本不用提醒他;他总是记得的。
(b)如在补充陈述或答话中单独使用助动词,频度副词常放在这类动词之前:
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2016-02-29
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