The Attributive Clause
Where, when, why,how，相当于介词+which
1限制性定语从句 restrictive attributive clause
The girl who wears a blue T-shirt is my little sister.
I like the sky that is blue.
2非限制性定语从句 non-restrictive attribute clause
Basketball,which is a very interesting game, is played all over the world.
She is from China,as I know from his accent.
As is known to all, the earth moves around the sun.
I will never forget the days when I stayed with you.
She is the girl who is our English teacher.
I visit the place where(in which) he used to live.(live, Vi)
He is the boy who I care so much.(care, Vt)
Hangzhou is a beautiful place where flowers are seen all the year round.
1. 当先行词为all, much, little,few,none,something,anything,everything,nothing等不定代词时，
All that can be done has been done.
2. 当先行词被all,every,no, some, any, litttle,much修饰时
I’ve eat all the apple that you gave me.
He is the first one (that )spends so much time on me.
It is the best book (that)I’ve ever read.
4. 先行词被the very, the last,the only修饰时
He is the very person that I want to meet.
The blue T-shirt is the only one I really like.
He talked about the people and places (that) he had visited.
Who is the boy that you want to stay with?
What is in the bag that you want to give me?
He is not the man that he used to be.
The earth is round, which/as we all know.
As we all know, the earth is round.
3. 在the same...as, such...as, as...as, so...as中，一般用as
This is the same book as I told you a few days ago.