定语从句的用法。
撰稿：郭素清。
审稿：白雪雁。
概念引入】欣赏含有定语从句的名言：
laughter is the sunthat drives winter from the human face.笑是太阳，它从人们的脸上赶走冬天。
don’t trust the first signthat you see.
不要相信你看见的第一个迹象。
all is not goldthat glitters.发光的未必都是金子。
nothing is impossible to the manwho has will.世上无难事，只怕有心人。
god helps thosewho help themselves.
自助者天助。
用法讲解】一、定语从句的功用和结构。
在复合句中，修饰某一名词或代词的从句叫做定语从句。被定语从句修饰的词叫做先行词，定语从句必须放在先行词之后。引导定语从句的关联词有关系代词和关系副词。
this is the presentthathe g**e me for my birthday.这是他给我的生日礼物。
do you know everybodywhocame to the party?你认识来宴会的每一位吗？
this is the placewherechairman mao once lived.这是***曾经居住的地方。
二、各个关系代词和关系副词的具体用法。
1. who指人，在定语从句中作主语或宾语。【高清课堂：relative clauses with“who”】
i prefer singers who can write their own lyrics.
我更喜欢能写自己歌词的歌唱家。
these are musicians who make us happy.
这些是能让我们高兴的**家。
people who eat a balanced diet are healthier.
平衡饮食的人是健康的。
2. whom指人，在定语从句中作宾语。
do you know the young man (whom) we met at the gate？
你认识我们在门口遇到的那个年轻人吗？
mr. lee (whom) you want to see has come.
你想见的李先生已经来了。
3. whose指人，在定语从句中作定语。
the girl whose mother is ill is staying at home today.
她妈妈病了的那个女孩今天呆在家。
i know the boy whose father is a professor.
我认识他的父亲是教授的那个男孩。
4. which指物，在定语从中作主语或宾语。
a dictionary is a book which gives the meaning of words.
字典是给单词释义的一本书。
here is the book (which) the teacher mentioned yesterday.
这是老师昨天提到的那本书。
5. that多指物，有时也指人，在定语从句中作主语或宾语。【高清课堂：relative clauses with"that"】
i prefer music that has great lyrics.我喜欢具有优美歌词的**。
carmen likes music that’s loud. carmen喜欢大声的**。
i like music that i can dance to.我喜欢能伴舞的**。
6. when指时间，在定语从句中作状语。
i’ll never forget the time when we worked on the farm.
我从来不会忘记我们工作在农场的那个时光。
he arrived in beijing on the day when i left.
在我离开的那天他到的北京。
7. where指地点，在定语从句中作状语。
this is the house where we lived last year.
这是我们去年居住的那个房子。
the factory where his father works is in the east of the city.
他的父亲工作的工厂是在城市的东边。
三、关系代词和关系副词的功用。
关系代词和关系副词用来引导定语从句，在先行词和定语从句之间起纽带作用，使二者联系起来。关系代词和关系副词又在定语从句中充当一个成分，关系代词可作主语、宾语或定语，关系副词可作状语。
1.作主语：关系代词在定语从句中作主语时，从句的谓语动词的人称和数必须和先行词一致。
i don’t like peoplewhotalk much but do little.
我不喜欢说话多做事少的人。
the carswhichare produced in hubei province sell very well.
在湖北省生产的汽车销量好。
2.作宾语。
she is the personthati met at the school gate yesterday.
她是我昨天在校门口遇到的那个人。
the bookthatmy grandmother g**e me is called the great escape.
我奶奶给我的那本书叫做《胜利大逃亡》。
3.作定语：关系代词whose在定语从句中作定语。
what’s the name of the young manwhosesister is a doctor?
他的妹妹是医生的那个年轻男士叫什么名字？
the girlwhosefather is a teacher studies very hard.
她的父亲是一位老师的那个女孩学习非常努力。
4.作状语。
i’ll never forget the daywheni first came to beijing.
我从来不会忘记我第一次来北京的那天。
this is the housewherei was born.
这是我出生的那个房子。
四、具体使用时还要注意下列问题：
1.只能使用that,不用which的情况：
1）先行词被序数词或形容词最高级所修饰，或本身是序数词、形容词最高级时，只能用that，而不用which。
he was the first person that passed the exam.他是第一个通过考试的人。
2）被修饰的先行词为all，any，much，many，everything，anything，none，the one等不定代词时，只能用that，而不用which。
is there anything that you want to buy in the shop？在商店里你有什么东西要买吗？
3）先行词被the only，the very，the same，the last，little，few等词修饰时，只能用that，而不用which。
this is the same bike that i lost.这就是我丢的那辆自行车。
4）先行词里同时含有人或物时，只能用that，而不用 can remember well the persons and some pictures that i saw in the room.我能清楚记得我在那个房间所见到的人和一些**。
5）以who或which引导的特殊疑问句，为避免重复，只能用that.
who is the girl that is crying？
正在哭泣的那个女孩是谁？
6）主句是there be结构，修饰主语的定语从句用that，而不用which.
there is a book on the desk that belongs to tom.桌子上那本书是汤姆的。
2.只能用which，不用that的情况：
1）先行词为that，those时，用which，而不用that.
what’s that which is under the desk？
在桌子底下的那些东西是什么？
2）关系代词前有介词时，一般用which，而不用that.
this is the room in which he lives.这是他居住的房间。
3）引导非限制性定语从句，用which，而不用that.
tom came back，which made us happy.汤姆回来了，这使我们很高兴。
关系代词。whom，which在定语从句中作介词宾语时，可以和介词一起放在先行词与定语从句之间，有时为了关系紧凑也可以将。
whom或。
which放先行词后，而将介词置于定语从句的后面。
that was the room in which we had lived for ten years.
that was the room which we had lived in for ten years.
那是我们居住了十年的房子。
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