1、Section Grammar定语从句()新知导引观察下面的句子，研究句中黑体字在句中的功能：1The time when I first met Nelson Mandela was a very difficult period of my life.when 为关系副词，引导定语从句修饰先行词_，且在从句中作_状语。2He wanted to know the reason why I was late.why 为关系副词，引导定语从句修饰先行词 _，且在从句中作_状语。the time时间the reason原因语法精释一、关系副词引导的定语从句关系副词先行词功能when表示时间的名词
2、 时间状语where表示地点的名词 地点状语whyreason原因状语 1.关系副词 when 引导定语从句时，先行词应是表示时间的名词，关系词在从句中作时间状语。*I still remember the time when I first traveled by plane.我仍然记得第一次坐飞机旅行的时候。*We will never forget the year when the 29th Olympic Games were held in Beijing.我们将永远不会忘记第 29 届奥运会在北京举办的那一年。2关系副词 where 引导定语从句时，先行词应是表示地点或抽象地点的
3、名词，关系词在从句中作地点状语。*Id like to live in the house where there is plenty of sunshine.我喜欢住在那个阳光充足的房子里。*Finally,we got to a factory,where many mobile phones of high quality were produced.最后，我们来到一家工厂，在那里许多高质量的手机被生产出来。3关系副词 why 引导定语从句时，先行词常常为 reason，关系词在从句中作原因状语。*Can you explain the reason(for which)why you
4、dont help him?你能解释一下不帮助他的原因吗？*Can you tell me the reason why you didnt come to his birthday party?你能告诉我你没参加他的生日宴会的原因吗？二、注意事项：1表示时间、地点及原因的名词作先行词时，定语从句可用关系代词引导，也可用关系副词引导。若先行词在定语从句中作状语时，应用关系副词；若先行词在定语从句中作主语或宾语时，则应用关系代词。*Do you remember the days when we chatted with each other all night?你还记得我们整夜聊天的那些日子吗
5、？(when 在从句中作状语)*Do you remember the days that/which we spent together on the farm?你还记得我们在农场一起度过的那些日子吗？(that 或 which 作spent 的宾语)*I dont know the reason why he didnt turn to his good friend for help yesterday.我不知道昨天他为什么没向他的好朋友求助。(why 作原因状语)*I wont listen to the reason that/which you have given us.我坚决不
6、听你提供给我们的那个理由。(定语从句中缺少宾语，所以用 which/that，不用 why)2表示抽象地点的名词 point,scene，situation,condition,case,stage其后面的定语从句常用 where 引导。*I will show you the point where you fail.我将指出你的失败所在。*There are some cases where this rule does not hold good.在某些情况下，这条规则不适用。*He had to face the conditions where pressure was heavy.
7、他必须面对压力很大的情况。即学即练 选词填空(that，which，when，where，why)(1)I will never forget the days _ we spent together.(2)I will never froget the days _ we stayed together.(3)The reason _ he explained at the meeting was not sound.(4)The reason _ he was late was that he missed his train.(5)Keep the book in a place _ y
8、ou can find it easily.(6)This is the house _ was built by my grandfather forty years ago.that/whichwhen that/which why where which/that.用适当的关系词填空1Great changes have taken place in the factory _ we are working.2The town _ we visited last month is the one _ the famous painter was born.3Tony will never
9、 forget those days _ he lived in China with his mother,which has a great effect on his life.4The reason _ he was late was that something was wrong with his bike on the way.where that/whichwhere whenwhy 5Is this the reason _ he explained at the meeting for his carelessness in his work?6He wrote a let
10、ter _ he explained what had happened in the accident.7We are trying to reach a point _ both sides will sit down and talk.8She was likely to tell the whole truth,in cases _ other people would have kept silent.that/whichwhere where where.句型转换1The house has been pulled down He lived in the house 10 yea
11、rs ago.The house _ he lived 10 years ago has been pulled down.2The school lies in the east of the town.He once studied in the school.The school _ he once studied lies in the east of the town.3Do you remember the days?On those days we played together.Do you remember the days _ we played together?wher
12、e where when 4We went through a period.During that time communications were very difficult in the rural areas.We went through a period _ communications were very difficult in the rural areas.5After graduation he returned to the small town which he grew up in.After graduation he returned to the small
13、 town _ he grew up.when where.完成句子1他不能到那里去的原因是他卧病在床。The reason _ there was that he was ill in bed.2我们生活在许多事情可以在电脑上做的时代。We are living in an age _ on computer.3我永远也不会忘记和你一起工作的日子。Ill never forget the days _ together with you.4化学家经常做实验的那个实验室离这儿不远。The lab _ is not far from here.5我父亲过去工作的那家工厂在地震中倒塌了。The factory _ fell down in the earthquake.why he could not gowhen many things are donewhen I workedwhere the chemist often does experimentswhere my father used to work
