关系副词引导的定语从句电子教案

关系副词引导的定语从句
一.关系副词where引导的定语从句。

where引导的定语从句其先行词往往是表示地点的名词。

1.China is the only country where wild pandas can be found.
2.This is the house where I lived two years ago.
知识拓展：
如果定语从句分别修饰point, situation, stage, condition和case, position 等表示抽象意义的词，常用where / prep + which引导，意思是“到了某种地步，在某种境况中”。

I’ve come to the point where I can’t stand him.
I have reached a point in my life where I am supposed to make decisions of my own.
练一练
1. It’s helpful to put children in a situation _______ they can see themselves differently.
2. Life is like a long race _____we compete with others to go beyond ourselves.
3. They will fly to Washington, ___ they plan to stay for two or three days.
二．关系副词when引导的定语从句
when引导的定语从句其先行词往往是表示时间的名词。

The time when I first met Nelson Mandela was a very difficult period of my life.
Ｉcan’t forget the year when I studied English in Beijing University.
练一练：
1. Because of the financial crisis, days are gone _____ local 5-star hotels charged 6,000 yuan for one night.
2. We went through a period ___ communications were very difficult in the rural areas.
3. Occasions are quite rare _____ I have the time to spend a day with my kids.
三．关系副词why 引导的定语从句。

why引导的定语从句其先行词是reason。

The reason why he didn’t come to the party is that he didn’t want to see Jane.
Can you tell me the reason why you are late?
练一练
1) The reason ________he didn’t come was that he was ill.
2) The reason __________ he explained is not true.
3) The reason ___ he was absent was ___ he had a bad cold.
四．“介词+ 关系代词”引导的定语从句:介词后的关系代词只能是which （指物）whom（指人）
介词选择的原则：
一）介词根据从句谓语动词的搭配习惯而确定
on which I spent 5 yuan .
for which I paid 5 yuan .
This is the book from which I learnt a lot.
about which Tom often talks
二）. 介词根据先行词的搭配习惯而确定
I remember the day on which I joined the Party.
the days during which I lived here.
the month in which I stayed there.
三）. 介词根据从句所表达的意义而确定
My computer, without which I can’t play computer games, crashed yesterday.
Learning a country’s culture is like opening a window, through which you can know about that country better.
练一练
1. Gun control is a subject _____ Americans have argued for a long time.
2. The house I grew up ____ has been taken down and replaced by an office building.
3. Tom received training in a computer for one year , _______ he found a job in a big company.
4. We saw several natives advancing towards our party, and one of them came up to us, ____ we gave some bells and glasses.
5. He paid the boy $10 for washing ten w indows, most of ____ hadn’t been cleaned for ten years.
五．定语从句与其他从句的比较
1. 非限制性定语从句和单句/并列句的比较
He has two sons. Both of_____ are teachers. （句）
He has two sons, and both of ______are teachers. （句）
He has two sons; both of _____are teachers. （句）
He has two sons, both of _______are teachers. （句）
练一练：
1.Do you think such a place ____ you speak of is worth visiting?
2.
3.He promised to come to see me on purpose on Sunday, _____ I doubt very much.
4.There is a lake near our schoolyard, _____ depth is out of your expectation.
5.——Do you have anything in mind _____ you’d like for supper?
——Well, anything is Ok for me.
6.The house in _______ he used to live has turned into a library.
7.Students in our school, most of _____ are from the south of China, enjoy rice very much.
8.Can you think of a situation ______ this idiom is used?
9.____ is often the case, teachers in our school usually return to school on Sunday evenings.
10.Which is the road _____ leads to the village ______ you were born?
11.The newcomer is from Jiangxi, _____ I can tell from his accent.
11. Alec asked the policeman _____ he worked to contact (联系) him whenever there was an accident.(上海)
12. We are living in an age _____ many things are done on computers. (北京)
13. I can think of many cases _____ students obviously knew a lot of English words and expressions but couldn’t write a good essay. (上海)
14. The English play _____ my students acted at the New Year’s party was a success. (安徽)
15. The old scientist, for _____ life was hard in the past, still works very hard in his eighties.。