I like music that I can dance to.
I know the student who is lazy.
He gave me a book which is interesting.
- 指人 (who/whom)
The man that/who is standing by the door is our teacher.
- 指物 (which)
I like the music that/which I can dance to.
The teacher who teaches English is from the USA.
The boy who/whom I met on the way is my friend.
The book which is on the desk is mine.
The story which he told us is interesting.
Wuhan is the place where I can live.
This is the reason why he refused our offer.
This is the village
wherewhich I visited last year.
I visited the village.
I will never forget the days
whatwhich I spent in the countryside.
whose + n. = the + n. + of which = of which +n.
Tom knows the teachers who are playing basketball.
He is the only one of the doctors who has two cars.
This is the room in which my grandfather live.
You are the only person that understands me.
The next train that arrives is from Beijing.
Tom is the second boy that fall into the pit.
如果先行词前是all, many, much, (a)little, (a)few, some…等不定代词，引导词只能是that
That is all that she remembered.
He didn’t know a few that …
如果先行词后有" , “则引导词不能用that（此类定语从句也称为非限定性定语从句）
I deeply love my mother, who is 60 years old.
“A and B"类句型，如表示"一人一物”，则引导词用that
I can still remember the person and some pictures that I see in the room.
Anyone who works on math problems must be careful.
Success will belong to those who never say impossible.
Who is the girl that is painting on the blackboard?
Which is the book that I red last night?
Our school is not the one that it used to be.
What’s that which you put on your desk?
There’s a skirt that belong to Lucy in the bag.