He showed me the building where his father worked. 3. Why 在从句中作原因状语
I don’t know the reason why he is always late for school. This is the reason why we must go earlier.
关系代词 that
在句子中的作用
指代作用
主语、宾语或表语 指人或指物
who
主语、宾语（口语或 指人（可与 非正式文体）或表语 that 互换）
whom
whose which
宾语（动宾或介宾） 指人
定语
主语或宾 语
指人或指物
指物（有时可 与that 互换）
关系副词
在句子中的 作用
When
时间状语
(on / in / during)
略, 如介词提前则不能省) These are the trees which were planted last year. The cakes which my mum cooked were tasty. Is this the library (which) you borrow books from?
The Attributive Clause （定语从句）
1. 定义：在复句中修饰某一名词或代词的从句叫做定语从句。 2. 先行词：被定语从句所修饰的词 (名词或代词) 叫先行词。
定语从句放在先行词的后边。 3. 定语从句由于关系代词和关系副词引导，关系代词或
关系副词放在先行词和定语从句之间，起联系作用，同时 又作从句中的一个成分。
Is this the library from which you borrow books?
关系副词:Байду номын сангаас
1. when 在从句中作时间状语
I’ll never forget the day when we met for the first time.
The story happened on the day when he was born. 2. Where 在从句中作地点状语 This is the place where I lived 5 years ago.
3〉当有两个以上的先行词，且先行词中有人也有物 时，只用that， 不用which。 The old man talked about the persons and things __th_a_t__he could remember.
The writer and his novel __th_a_t_ you talked about just now are really well known.
The man to whom I talked is Mr. Li. 3. Who / whom 作表语
John is no longer the boy who he used to be.
4. whose 作定语 I know the girl whose mother is a famous doctor. 5. that 指人或物,作主语、宾语或表语 (作宾语可省略）
2.You can borrow any book __t_h_a_t___ you want to read.
3.I’m sure she has something __th_a_t___ you can borrow. 4. I’ve read all the books_t_h_a_t ___ I borrowed from Betty.
Where (in / at which)
地点状语
指代 （代替功能） 时间名词
地点名词
why (for which)
原因状语
指代原 因
关系代词:
1. who指人, 作主语、宾语 和表语 (作宾语可省略）
You can’t wake up a person who is pretending to be asleep. I like musicians who play different kinds of music. The man who you met just now is my uncle. 2. whom指人,作宾语 (作宾语可省略,如介词提前 则不能省) The man (whom/who) I talked to is Mr. Li.
The man that (who / whom )you met just now is my uncle.
A plane is a machine that / which can fly. China is no longer the old China that it used to be. 6. which 指物，作主语或宾语 (作宾语可省
2〉当先行词为不定代词时，如：anything， all，no, some, every, everything， nothing， none，much， little等词时，只用that，不用which
1. She took away everything ____t_h_a_t__belongs to her.
4) .当主句以who 或which 开头时, 只用that, 不用which：
Who is the girl _t_h_a_t_spoke to you just now? Which is the car ___th_a_t__was made in China?
在定语从句中，只用 that 不用 which 的情况 1〉当先行词前有序数词，形容词最高级，或限定 词：the only，the same，the last, the very 等修 饰时，只用that，不用 which
1.This is my first trip _t_h_a_t _I have made in my life. 2.The most beautiful place __th_a_t__he has visited is Guilin. 3.This is the only gift _t_h_a_t_I have got from him.
4. It is the very pen _t_h_a_t_ I am looking for.
5. The last place _t_h_a_t_they visited in China was Mount Hua.
6. This is the very book __t_h_a_t_ belongs to him.