来源： 时间：2022-12-05 16:39:57
eg: She is a beautiful girl. (形容词)
I met someone funny on my way to Beijing. (形容词)(修饰不定代词的定语后置)
He is an English teacher. (名词)
(名词作定语时一般用单数，例外的有sports, 如 a sports star)
I have a lot of work to do. (不定式)
The book written by a schoolboy is very popular now. (过去分词短语)
We can see the rising sun. (现在分词) = the sun is rising.
He is in the reading room. (动名词) = the room for reading
The boy who broke the window is Tom’s brother. (从句)
注意：1.形容词作定语一般放在所修饰的词前面;但当形容词修饰的是something, anything, everything, nothing, someone, everyone, everybody, somewhere等不定代词时，要放在这些词的后面。
present (在场的), absent (缺席的)作定语时需要后置。 students present / absent
He is a retired worker. 他是位退休的工人
i. 分词词组; There was a girl sitting there. 有个女孩坐在那里
ii. 个别分词如given, left;
This is the question given. 这是所给的问题
iii. 修饰不定代词 something等
There is nothing interesting. 没有有趣的东西
Most of the people invited to the party were famous scientists.
= Most of the people who were invited to the party were from South Africa
关系代词有：who, whom, whose, that, which等。
关系副词有：when, where, why等。
I like the books that are written by Mr. Green.
Anyone who breaks the law will surely be punished.
He is the man who / whom I talked to you about.
= He is the man about whom I talked to you.
a. 当先行词是one, ones, anyone时，引导定语从句的关系词一般只用who, 不用that如果先行词是someone, 也可用that
He is not one who is easily frightened.
I think Joe is the one who borrowed my peo.
The ones who tell lies won’t gain others’ trust.
Anyone who saw the accident should phone the police.
Someone who / that claims to be your uncle wants to see you.
Those who don’t wish to go need not go.
c. There be 句型中，修饰人的定语从句的关系代词一般只用who来引导
There is a certain old man in the village who none of us likes.
d. 若一个句子中有两个定语从句，第一个已经用that, 则第二个一般用who
The man that is talking with our teacher is the professor who gave us a report yesterday.
I came across my first teacher in the store yesterday who was still beautiful.
f 非限定性定语从句只用who来引导, 不用that
He has a son, who is a doctor.
Who is the girl that said hello to you just now?
They ofter talk about the person and things that they remember.
He’s changed. He is not the man that he was.
This is the most beautiful lady that I have ever met.
e. 当先行词是other时，定语从句只用that 引导。
You can ask the old man or any other that was there at the time.