形容词可以修饰名词（作定语）,例如：
a beautiful bird
a nice day
a green coat
a new car
这里面的beautiful,nice,green,new都是形容词,作的都是定语.
形容词不可以修饰形容词.
但程度副词可以修饰形容词或副词.例如：
It's very cold today.
This problem is extremely difficult to problem.
Your work is quite perfect.
Mr Li does his work rather carefully.
damed quickly中的damed应该是一个动词.不过,详细看一下,则不是dammed.