定语从句-什么是定语及定语的成分

什么是定语：定语为修饰名词的成分
只要是“...的”+“名词”。“...的”就是修饰名词的定语成分。
可以充当定语的成分（修饰名词）：
1.形容词
The innocent nightingale died.
The nightingale (brave and innocent) died.
2.名词
The n's singing can make the rose room.
The singing of (the nightingale) can make the rose bloom.
3.介词短语
The n.. (out of the window) heard the sighs of the youngster.
4.非谓语动词
The singing n.. lost his life.
5.从句
6.形容词性物主代词(my,your,his)