定语从句语法总结.doc

定语从句语法总结
在复合句中修饰名词或代词的从句叫定语从句
. I like music that I can dance to.
Music 是先行词，that是关系代词
He is the man who I met yesterday.
Man是先行词，who是关系代词
1. who / that 在定语从句中做主语时，
谓语动词的单复数应与先行词保持一致
I prefer shoes that are cool.
I like a pizza that is really delicious.
I love singers who are beautiful.
I have a friend who plays sports.
2. ( who 和that 引导定语从句作主语 不可省略）
The old man is a professor. He teaches chemistry in a college.
The old man is a professor who teaches chemistry in a college.
The old man is a professor that teaches chemistry In a college.
3. (which 和that 引导定语从句作宾语 可省略）
I enjoyed reading the book. You gave me the book.
I enjoyed reading the book you gave me .
4. (whose 在定语从句中作定语用）
What’s the name of the man? His sister is a doctor.
What’s the name of the man whose sister is a doctor?
Have you seen the cup? Its color is red.
Have you seen the cup whose color is red?
5. when 在定语从句中作时间状语
I‘ll never forget the day . I first came to Beijing.
I‘ll never forget the day when I first came to Beijing
6. where 在定语从句中作地点状语
This is the cinema. I watched Harry Potter last month in it.
This is the cinema where I watched Harry Potter last month.
注意：（1）当定语从句中含有介词，介词放在句末时，who， that， which可省略，但介词在关系代词前时，只能用“介词+which/whom”结构。例如：
　　This is the house in which we lived last year.
这是我们去年居住的房子。
　　Please tell me from whom you borrowed the Eng