The man who helped you is Mr White. This is the person ( who) you want to see.
The person (whom) Tom is talking to is my father.
A dictionary is a useful book which tells us the meaning of words.
The film which we just talked about is very interesting.
Tom is late again, which makes his teacher very angry.
They stayed with me for two weeks , during which time they drank all the beer I had.
Eric received training in computer for one year, after which he found a job in a big company. The man that helped you is Mr White.
This is the person( that) you want to see.
A dictionary is a useful book that t ells us the meaning of words.
The film that we just talked about is very interesting.
We are talking about the way in which he speaks English.
We are talking about the way that he speaks English.
We are talking about the way he speaks English.
I’d like a room whose window looks out over the sea.
I’d like a room the window of which looks out over the sea.
He has a friend whose father is a doctor.
He has a friend the father of whom is a doctor.
We are facing the same problems as we did years ago.
Some people have no doubt that their cat understands as/so many words as a dog does.
We hope to get such a tool as he is using.
He’s such a good student as everyone likes .
He’s such a good student that everyone likes him.
He married the girl，as (which) was natural.
As was natural, he married the girl.
Tom is late again, which makes his teacher very angry.
The earth travels around the sun, as is well known to us all.
Would you suggest a time when we can have a talk?
They still remember the happy days (which/that) they spent in Beidaihe.
The house where they live is not very large.
We′ll visit the factory which/that makes radios.
This is the reason why he did not came to the meeting.
We are not satisfied with the reason that/which he gave us.
┏at which he works.
┣which he works at.
That is the college┣where he works.
┣that he works at.
┗he works at.
┏on which he was born
┣which he was born on
The day ┣when he was born was 2nd Mar.
┣that he was born on
┗he was born on
This is the reason why/for which he did not came to the meeting.
Anyone who breaks the law is punished.
Those who break the law are punished.
He who breaks the law is punished.
I am not one who ______afraid of difficulty．
Don‘t choose me, who _______not fit for this job．
Who is the girl with whom you just shook hands
He built a telescope through which he could study the skies.
The train on which I went to Beijing is an express.
原则：1个时态=1个句子
2个时态=1个主句+1个从句
3个时态=1个主句+2个从句
n个时态=1个主句+n-1个从句
People may have chosen to keep horses that had a gentle personality so they could be ridden more easily.
One of the reasons that made it cool for him not to care was the power of his peer(同龄人) group. Music is an important way we express human suffering, celebration, the meaning and value of peace and love.
The first interactions human had with horses were far different from those today.
I saw a woman running toward me in the dark. Before I could recognize who she was, she had run back in the direction _ she had come.
A. of which
B. by which
C. in which
D. from which
1.that可以代替人或物
2.(人+物)+that
3.(序数词/最高级)+先行词+that
4. everything/anything/nothing/
something/all/much/little + that
(no/little/few/any)+先行词+that
whose ...= ... of which/whom of which/whom ...
断——断句
找——被修饰的词（即先行词）
查——查从句中主语、宾语是否齐全
缺主、宾——填代词
主宾齐全——填whose及副词
where 修饰“抽象地点”(定从主宾不缺
常见词：situation, stage, point