一，基本用法：形容词放在名词前修饰名词，副词放在动词后修饰动词
Mr. Black is a shy person. He seldom speaks at the meeting.
It`s raining hard. We have to stay at home instead of going climbing.
二，形容词转化成副词的规则
1，直接加上-ly. quick—quickly, brave—bravely, clear—clearly
2，变y为i再加-ly. happy—happily, heavy—heavily
3，有些两词一样 early, late, high
三，形容词和副词的比较级和最高级的构成规则
I，规则变化
1，直接加-er, -est
2，以不发音e结尾的加-r, -st
