形容词是修饰或描述名词或代词的一个单词或一组词。形容词通常出现在所修饰的名词之前,但也可以用在名词之后。副词是修饰形容词、动词或其他副词的一个单词或一组词,它们添加了关于时间、地点、方式、原因、范围和程度的描述。掌握几个形容词变副词的变化规则,就能让自己的词汇量倍增,常见的变化规则有:一、大部分副词是由形容词加后缀“ly”变来的形容词: It’s a slow dance.这是一支慢舞。His death was sudden.他的死是突然的。His acting is bad.他的演技很差。副词:He danced slowly.他慢慢地跳舞。He died suddenly.他突然死了。He acted badly.他表现不好。二、以“y”结尾的形容词,把“y”变成“ily”形容词: His happy smile welcomed.他高兴的微笑受到欢迎。It was an easy exercise.这是一个简单的练习。He was ready to accept the challenge.他准备接受挑战。副词:He smiled happily.他高兴地笑了。He completed the exercise easily.他轻而易举地完成了练习。He readily accepted the challenge.他欣然接受了挑战。三、以“able, ible, le”结尾的形容词,去掉“e”加“y”形容词: His gentle touch woke her.他温柔的抚摸唤醒了她。He sat on the comfortable chair.他坐在舒适的椅子上。副词:He touched her gently.他轻轻地抚摸她。He sat comfortably.他舒服地坐着。四、以“l”结尾的形容词,双写“l”加“y”,也即直接加“ly”形容词:Your house is beautiful.你的房子很漂亮。She is a careful driver.她开车很小心。副词:Your house is decorated beautifully.你的房子装饰得很漂亮。She listened carefully.她仔细地听着。五、以“ic”结尾的形容词,副词应该以“ally”结尾形容词:He died in a tragic accident.他死于一场悲惨的事故。The room had basic amenities.这个房间有基本的便利设施。副词:He died tragically.他悲惨地死了。She is basically being nice.她基本上是和蔼可亲的。Public 是个例外,它对应的副词是 publicly.六、形容词和副词同形形容词: He has a fast car.他有一辆快车。The test was too hard.考试太难了。He gave a wrong answer.他回答错了。副词:Don’t drive too fast.别开得太快。He didn’t work hard.他工作不努力。He behaved wrong.他的行为是错误的。七、good 对应的副词是 well八、以”ly“结尾的形容词不能通过加”ly“而构成副词。用这些词作副词必须用不同的形式。