介词短语做定语和状语的区别(分析一些for的句子)

其实介词作定语和作状语是介词短语的两个功能，对于介词短语来说没什么区别，只是它所修饰的东西是不一样的。做定语时修饰名词，代词，而作状语时主要修饰动词。应该根据所修饰的词来判断介词是状语还是定语。比如说你的例句中，第一句就是about引导的介词短语修饰an artical，所以这个介词短语这就是定语，而第二句中for引导的介词短语修饰has lived这个动词，所以这个介词短语就是状语。

介词短语作状语
A）介词短语作状语，用来修饰动词。
例如：
We live quite near my office.（地点）
Who knows what will happen in the future? （时间）
The sewing machine is worked by foot.（方式）
We're waiting for them to arrive for lunch.（目的）
He worked himself to death.（结果）
He is so useful to me that I can't do without him.（条件）
With all your faults, I still like you.（让步）
He lay on his bed with the sunlight falling on his face.（伴随状语）
I don't believe in dream.（范畴）
What country do you come from?（来源）
Everything depends on whether he is punctual.（根据）
The men who govern the country are chosen by the people.（行为者）
B)介词短语作状语，用来修饰形容词
例如：
He was not conscious of my presence in the room.
I am not interested in doing business with that firm.
They are proud of their clever children.
C）介词短语作状语，修饰副词（比较少用）
例如：
John is now somewhere on the high seas, and we wish him a pleasant holiday.
Do you live here in Middle Town, Mr John?
D）介词短语作状语，修饰整个句子
例如：
On the whole, Jack has been a good friend.