•限制性定语从句常和先行词紧密相连；非限制性定语从句与先行词之间常用逗号分开。

•　　　　 非限制性定语从句不能用that来引导。

•　　　　 非限制性定语从句常常用来修饰整个句子。

•The team is headed by a 44-year-old Mongolian, whose wife is a Tibetan.

•　 Yesterday Mr Brown paid a visit to Hangzhou, which is famous for its West Lake.

•　 They have invited me to visit their country, which is very kind of them.

限制性定语从句是先行词不可缺少的修饰成分，否则主句的意思不完整或不成立。非限制性定语从句只对所修饰的词作进一步的说明，去掉之后主句的意思照样完整。

•1. A man who does not try to learn from others can’t achieve much.

•　　 2. There’re many plays (that) I’d like to see.

•　　 3. This note was left by Xiao Wu, who was here a moment ago.

•关系副词都等于一个适当的介词+which，在从句中作状语

•When=in/at/on/…+which;

•Where=in/at/on/…+which;

•Why=for /…+which

•1、当先行词被形容词的最高级所修饰

•This is the best film that I have ever seen.

•2、当先行词被序数词修饰

•The first car that arrived at the destination was driven by John.

•3、当先行词被the only, the very等修饰

•This is the only ticket that I got yesterday.

•This is the very book that I’m looking for

•4、当先行词为不定代词时或被不定代词修饰时

•Is there anything that I can do for you?

•All that you have to do is to press the button.

•There is no time that we can waste.

•5、当先行词既指人又指物时

•The car and its driver that knocked down the old lady have been taken to the police station

•B.指物时，作介词的宾语，关系代词只能用which

•This is the question about which we’ve had so much discussion.

•　　 2. He is the model worker whom/who we should learn from.

•　　 3. A dictionary is a book which often helps us to know the meanings of the words.

•　　 4. This is the film which I like best.

•　　 5. The boy whose father is a professor is one of my best friends.

•　　 6. The house whose roof was blown away by the storm will be rebuilt soon.

•1、引导作用

•2、替代作用

•3、在定语从句中担当某个成分的作用

•Eg: 1.Those who want to go please sign your　　　　　 names here.

•　　　 2.This is the house where he was born.

•　　　 3. Bill, who was here yesterday, asked me a lot of questions.

请根据下面的表格，写一篇关于通信业今昔对比的短文。字数100词左右。

To everyone in the world, money was a sensitive(敏感的) topic.　　　　　　　　　　 1. __________

No one can live without money in modern society. People　　　　 　　　　　　　　　　 2. __________

have different opinions on them. Some people think one should　　　　　　　　　　　 3. __________

live to make money, and others make money to live.　　　　　　　　　　　　　　　　　　　 4. __________

In my opinion, the latter will be more reasonable.　　　　　　　　　　　　　　　　　　　　　　　　 5. __________

We should not be the slave of money. Although money　　　　　　　　　　　　　　　　　　　　　 6. ­__________

means a lot in our life, but it does not mean everything.　　　　　　　　　　　　　　　　 7. __________

We cannot exchange it with friendship or love. Money indeed can　　　　　　　　　 8. __________

make a person enjoy his life for a while but not all a life.　　　　　　　　　　　　　　　 9. __________

In a word, money is something but not anything.　　　　　　　　　　　　　　　　　　　　　 10. _________

35.He made a sign _________ me and asked me to come behind the sign _________ the parking.

A.for;for　　　 B.to;to　　 C.to;for　　 D.for;of