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Dr.Smith, in whose hospital my son was born last year, is a world famous scientist.
如何判断介词
1）看定语从句中，动词和介词的搭配。
Gun control is a subject Americans have argued for a long time .
3. “介词+关系代词”前还可有some, any, none, all, both, neither, many, most, each , few等代词或者数 词。
There are forty students in our class in all, most of whom are from big cities.
正：This is the room in which he used to live. 误：This is the room in that he used to live.
Here comes the girl of whose singing performances we speak highly.
4. which: 指物；在定语从句中作主语，宾语，表语，定语。
The lamp which was on the desk was bought by my father.（主语） The book (which) I bought yesterday is very interesting.（宾语） He was proud, which his brother never was. （表语） Tom spent four years in college, during which time he learned French.（定语）
1.若介词放在关系代词前，关系代词指人时只可用whom， 不可用who, that；
关系代词指物时只可用which，不可用that。
关系代词是所有格时用whose。
正：The woman with whom you talked just now is my teacher.
误：The woman with who/that you talked just now is my teacher.
【比较1】 I live in the same house that he used to live in. （同一间房子） I'm wearing the same shirt as you wore yesterday. （相像的， 不是同一件T恤）
【比较2】 Here is so big a stone as no one can lift. （定语从句）
常用的关系副词:（充当状语） when、why、 where
二. 关系代词引导定语从句
1. who: 指人， 在从句中作主语。 I like the students who work hard.
Yesterday I helped an old man who lost his way.
2. whom: 指人，在从句中作宾语，常可省略。 He's a man (whom) we should learn from. The man (whom) you met just now is called Jim.
Swim to the ocean shore fish in the sea, She is the story the story is she, She sings to the moon and the stars in the sky, Shining from high above you shouldn’t ask why.
She looks like Marilyn, walks like Suzanne, She talks like Monica and Marianne, She wins in everything that she might do, And she will respect you forever just you.
6. as 的用法 ①用于the same …as ; the same as； such …as …结构中。
I have the same book as you (have). 我有一本和 你的一样的书。
Don‘t do such things as you are not sure about. 不要做你不确定的事。
2. 含有介词的短语动词一般不拆开,介词仍放在短语动词的 后面，如：look at, look for, look after, take care of 等。
This is the girl whom they are looking after. This is the watch which / that I am looking for.
A. of which
B. with which
C. about which D. into which
argue about sth with sb
答案：C
2) 看定语从句中，形容词和介词的搭配
Copper is one of the metals
A.to which B.with which
C.where
As we can see, he is honest. (宾语)
He was a foreigner, as I knew from his accent. (宾 语, 先行词是前面整个句子)
The number of senior high school students is increasing, as is mentioned above.
She is the one that you never forget, She is the heaven-sent angel you met, Oh, she must be the reason why God made a girl, She is so pretty all over the world.
5. that: 可指人或物；在定语从句中作主语，宾语，表语。 (指人时，相当于who或 whom；指物时，相当于which)
A letter that/which is written in pencil is difficult to read. (主语) You can take anything (that) you like. （宾语） She's no longer the girl (that) she used to be before.（表语）
D.which
we are most familiar.
sb be familiar with sth= sth be familiar to sb 答案: B
3）根据先行词判断，所用的介词和先行词搭配。
This is our classroom, in front of which there is a teacher's desk.
We will put off the picnic until next week, when the weather would be better.
三. “介词+关系代词”引导定语从句
This is the book (that/which) you asked for. =This is the book for which you asked.
Do you know the person (whom/who/that) I shook hands with? =Do you know the person with whom I shook hands？
She is the one that you’ll never forget 她就是那个你忘不了的人啊
She is the heaven sent angel (that) you met. 她是来自天堂的天使
She must be the reason why God made a girl. 她就是上帝制造女孩的原因
She puts the rhythm, the beat in the drum, She comes in the morning and the evening she’s gone, Every little hour every second you live, Trust in eternity that’s what she gives.
这里有一块大石头，谁也抬不动。 Here is so big a stone that no one can lift it.（结果状语从句）
这块石头太大，以至于没人能把它举起来。
②单独引导一个定语从句，译为"正如"。
As we all know, smoking is harmful to one's health . (as 作宾语) =As is known to all, smoking is harmful to one's health . （as 作主语） =It's known to all that smoking is harmful to one's health .
定语从句
大裤子
一. 定义及主要术语
1. 定语从句
修饰某一名词或代词的从句叫定语从句。定语 从句一般紧接在先行词后面。
2. 先行词：
被定语从句修饰的成份。先行词可以为一个 词，短语，或整个主句
3. 关系词：
引导定语从句的词。 I know the man who lives next door.
3. whose: 可指人也可指物，在从句中作定语。
