程度副词，是对一个形容词或者副词在程度上加以限定或修饰的副词。 一般位置在被修饰的形容词或者副词之前。程度副词的特点就是程度副词用于表示程度
常见的有：fairly, pretty,rather, quite, very, much, too, greatly, almost, nearly, half, highly, awfully,deeply, partly, perfectly, really等。
所有的英语程度副词：much, little, very, rather, so, too, quite,perfectly, enough, extremely, entirely, almost, slightly, fairly, alot/bit/little, far, by far, even, nearly, pretty, as, this/that(=so), fully, absolutely,barely, completely, hardly, just, only, really, scarcely
例句：
His pronunciation is very(quite，rather，pretty，fairly)good．
他的发音非常好。
He has been extremely(awfully，terribly) busy these days．
他最近特别的忙。
He works terribly(awfully，quite，very)hard．
他很努力的工作
