副词

副词可以修饰形容词，动词，副词或整个句子。如：The book is very good.

He runs fast.

She came here quite early.

Certainly I will go with you.副词变化形式：• 直接在形容词后加-ly：

careful-carefully, slow-slowly• 以辅音字母加y结尾的形容词，把y变i, 加-ly：

happy-happily, lucky-luckily• 有些词形容词和副词的形式相同，不需要做任何变化：

fast, hard, late• 有些词加上-ly后意思与原词相差很远：

neary-nearly, high-highly, late-lately