关系副词引导的定语从句

.关系副词引导的定语从句关系副词的用法关系副词指代在从句中的作用when (=at/in/on /during which)时间状语where (=in/at /on/under which)地点状语why (=for which)原因状语一.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 situationthey 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. cant 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 reason2) the reasonhe didn t come was that he was ill.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 bookfrom which i learnt a lot.about which tom oftentalks二） . 介词根据先行词的搭配习惯而确定i rememberthe 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 countrycuslture is like opening a window, through whichyou 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. he promised to come to see me on purpose on sunday, i doubt very much.3. there is a lake near our schoolyard, depth is out of your expectation.4. do you have anything in mind you d like for supper? well, anything is ok for me.5. the house in he used to live has turned into a library.6. students in our school, most of are from the south of china, enjoy rice very much.7. can you think of a situation this idiom is used?8. is often the case, teachers in our school usually return to school on sunday evenings.9. which is the road leads to the village you were born?10. 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