英语中的副词是一类用来修饰动词、形容词、其他副词或整个句子的词汇，它们可以表示时间、地点、方式、程度等概念。以下是一些常见的英语副词分类及其示例：

时间副词

现在时态和一般将来时的副词：now, always, never, soon, today, tomorrow, eventually, finally, currently, presently, at present

时间频率副词：often, usually, sometimes, rarely, never, seldom, next, last, already, generally

过去时态的副词：then, yesterday, ago

地点副词

表示地点的副词：here, there, everywhere, anywhere, somewhere, in, out, inside, outside, above, below, down, back, forward, home, along, round, around, near, off, past, up, away

方式副词

表示动作发生的方式或状态的副词：carefully, properly, quickly, neatly, awkwardly, largely, softly, loudly, well, badly

程度副词

表示程度的副词：very, too, quite, rather, extremely, more, so, pretty

频率副词

表示动作发生的频率的副词：always, often, usually, sometimes, rarely, never, seldom

原因副词

表示原因的副词：therefore, because, since, as

比较副词

表示比较的副词：more, less, too, rather, too much, too little, as well, as bad as

强调副词

用于强调句子中的某个成分的副词：indeed, indeed, certainly, perhaps, possibly, perhaps, certainly, undoubtedly, obviously, clearly

这些分类并不是互斥的，一个副词可能同时属于多个类别。例如，"quickly" 既是方式副词，也是频率副词。了解这些副词的分类有助于更好地理解和使用它们。