定语从句
含义：：对一个名词进行描述限定的句子，叫做定语从句。
先行词关系词
物that/which
人that/who/whom
人的/物的whose=of which/of whom
时间when=介词+which
地点where=介词+which
原因why=for which
1.I have a class_______ begins at 8 o’clock.
2.The lawyer_______ my brother called didn’t answer the phone.
3.My daughter asked me a question_______ I could n’t answer.
4.The people_______ sat in the stadium cheered for the home team.
5.Leo is the student_______ bike was stolen.
6.Australia is one of the few countries_______ people drive on the left.
7.Sunday is the day_______ people usually don’t go to work.
8.Is there any particular reason_______ you can’t come?
技巧：关系词的选择要看先行词，并确定先行词在从句中充当的成分。
The teacher_____________________________________________
去年教过我英语的老师
The book_____________________________________________
我昨天买的那本书
The game_____________________________________________
男孩子们每天玩的那个游戏
The passenger_____________________________________________
从伦敦飞到北京的那个乘客
I lost the book_____________________________________________
我弄丢了上周从图书馆借的书
The woman____________________________ was feeding pigeons.
我在公园看见那位女士正在喂鸽子
We like professor Lee____________________________
我们喜欢李教授，他的讲座非常精彩
The bus____________________________ is usually very crowded.
我们团上学做的那辆公交车总是很拥挤
I cannot remember the day_____________________________________________ 我记不起上一次我们是什么时候碰面的
书写定语从句的技巧：先写出一个陈述句，后面再加一个关系词
限定性与非限定性定语从句
I met your friend_______ who is staying in Paris.
I met your mother_______ who is staying in Paris.
This is the wall_______ which is built last week.
This is the Great Wall_______ which is world-famous.
He came from Beijing_______ is the capital of china.
He came from a city_______ is in the north of China.
This is the businessman_______ we cooperate with.
This is Bill Gates_______ many people know as the riches man.
确定使用限制性定语从句还是非限制性定语从句在于看所修饰的名词范围是否明确？！如果明确，就不需要修饰限定；如果不明确，就需要修饰限定。
注意：非限制性定语从句中的关系词不能省，指物时只用which不用that，指人只用whom
特殊非限制性定语从句
The baby is so cute,which we can see.
The company will get back to you in three dys,which is one of the typical rules.
Within two weeks,he was talking for the first time with the board of Hartford Financial Service Group,which named him CEO and chirman on September,2009.
介词提前的定语从句
This is the job which/that/X I have dreamed of for years.
This is the job of which I have dreamed of for years.
Humans have the ablity to modify the environment in which the live.
This is the theory on which it is based may be right.
注意：介词提前的定语从句中的关系词不能省，指物时只用which不用that，指人只用whom
特殊关系词的定语从句as
The baby is so cute,as we can see.
As we can see, the baby is so cute.
The baby,as we can see, is so cute.
China,as we all know, is a developing country.
“China is a developing country.” As the president said,is true.
As的位置：as的位置可以位于句首居中（通常位于主谓之间）和句尾，而which只能位于句子中间。
分裂结构的定语从句
There exists no language or dialet in the world that cannot convey complex ideas.(插入介词短语)
It can be predicted,however,that from time to time,questions will arise which will require specific scientific answers.(后移式)
1.含义
2.位置
3.写法
4.分类
5.补充：介词提前/特殊关系词/分裂结构。