新人教（2020新）必修一 Unit 5 Discovering useful structures.ppt

1、Unit 5 Discovering Useful Structures Restrictive relative clauses(2) （一）定语从句的定义（一）定语从句的定义 在复合句中，在复合句中，修饰修饰_或或_的从句叫定语的从句叫定语 从句。被修饰的名词或代词叫从句。被修饰的名词或代词叫_，引导定，引导定 语从句的词叫语从句的词叫_。关系词分为关系。关系词分为关系_ 和关系和关系_两类两类 名词名词 代词代词 先行词先行词 关系词关系词 代词代词 副词副词 Task 1 Revision （二）归纳关系代词及其用法（二）归纳关系代词及其用法 关系代词 用法 who whom whos

2、e which that 指指人人，在定语从句中可以充当在定语从句中可以充当主语或宾语主语或宾语 指指人人，在定语从句中作在定语从句中作宾语宾语 既可以指既可以指人人，也可以指也可以指物物，表示表示“所属所属” 关系关系，在定语从句中作在定语从句中作定语定语 指指物物，在定语从句中作在定语从句中作主语或宾语主语或宾语 既可指既可指人人，也可指也可指物物，在定语从句中作在定语从句中作主语或主语或 宾语宾语，作宾语时可以省略作宾语时可以省略。 （三）归纳关系代词只使用（三）归纳关系代词只使用 that 的情况的情况 1.先行词是先行词是everything, nothing, anything,

3、something, much, little, none，all等等不定代词不定代词时时 2.先行词前有不定代词先行词前有不定代词any, some, much, few, little, every, all，the only, the very 等修饰时等修饰时 3.先行词被形容词先行词被形容词最高级最高级或或序数词序数词修饰修饰 4.先行词中既先行词中既有人又有物有人又有物时时 5. 主句以主句以who或或which开头的特殊疑问句。开头的特殊疑问句。 （一）找出定语从句、关系词及关系词在从句中的充当 的句子成分。 1. It was a time when people were d

4、ivided geographically. 2. Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. 3. There are many reasons why people learn a foreign language. 4. These were animal bones and shells on which symbols were carved b

5、y ancient Chinese people. 5. We have reached a point where a changed is neened. Task 2 关系副词及其用法关系副词及其用法 状语 状语 状语 状语 状语 （二）归纳关系副词及其用法（二）归纳关系副词及其用法 关系副词 用法 when where why 指指时间时间，在定语从句中可以充当在定语从句中可以充当状语状语 指指地点地点，在定语从句中作在定语从句中作状语状语 指指原因原因，在定语从句中作在定语从句中作状语状语 注意：一些表示抽象地点的名词注意：一些表示抽象地点的名词，如如 point， case，pos

6、ition，condition，situation等等 用用where 引导引导 （三）用正确的关系副词填空。（三）用正确的关系副词填空。 1. I cannot forget the day _I first saw you. 2. This is the house_ they lived a week ago. 3. The reason _I dont trust him is that he often tells lies. 4. Today, well discuss a number of cases _ beginners of English fail to use the

7、 language properly. when where why where （四）用含有关系副词引导的定语从句合并下 列句子 1Ill never forget the days.We studied together then. _ 2. Give me one good reason.I should help you for the reason. _ 3She is going to live in China.She has some close friends in China. _ She is going to live in China where she has so

8、me close friends. Ill never forget the days when we studied together. Give me one good reason why I should help you. Task 3 关系副词引导的定语从句注意事项 （一）观察例句，总结用法（一）观察例句，总结用法 1. Do you remember the days when we chatted with each other all night? 2. Do you remember the days that/which we spent studying togethe

9、r in the classroom? 3. I dont know the reason why he didnt turn to his good friend for help yesterday. 4. We wont accept the reason that/which you have given. 5. Can you recognize the house where you used to live with your parents? 6.Can you recognise the house that/which Tom sold three years ago? （

10、二）关系副词引导的定语从句注意事项（二）关系副词引导的定语从句注意事项 表示时间、地点及原因的名词作先行词时，表示时间、地点及原因的名词作先行词时， 先行词在定语从句中作先行词在定语从句中作状语状语时，应用关系时，应用关系副词副词； 若先行词在定语从句中作若先行词在定语从句中作主语或宾语主语或宾语时，则应时，则应 用关系用关系代词代词。 方法：分析方法：分析从句句子成分从句句子成分 （三）用适当的关系词填空（三）用适当的关系词填空 1.I still remember the day _I first came to Beijing. 2. This is the hospital _ we

11、visited yesterday. 3. This is the hospital _ we paid a visit yesterday. 4. That is the reason _ I did the job. when that/ which where why （一）观察例句，总结用法。（一）观察例句，总结用法。 1. It was a time at which (when) people were divided geographically. 2. There are many reasons for which (why) people learn a foreign l

12、anguage. 3. These were animal bones and shells on which (where) symbols were carved by ancient Chinese people. 4. Yesterday we visited the West Lake for which (where) Hangzhou is famous. Task 4 介词介词+关系代词关系代词= 关系副词关系副词 总结总结： 介词介词+which = when/where for +which = why (二二)选用介词的依据选用介词的依据 1. 根据定语从句中谓语动词的搭

13、配习惯谓语动词的搭配习惯(即固定短 语)。 (1)Yesterday we visited the West Lake for which Hangzhou is famous. (2) He is the student from whom we should learn. 2. 根据句子的意思句子的意思来选择。 (1) Do you remember the days on which we chatted with each other all night? (2) Can you recognize the house in which you used to live with yo

14、ur parents? on the day be famous for learn from in the house (三三) 介词介词+which/ whom 1. This is the camera with which he often takes photos. 2. The old woman with whom you talked just now is a famous artist. 总结：总结： 如果指如果指“人人”，用，用“介词介词whom” 如果指如果指“物物”，用，用“介词介词which” （四）练习：用适当的介词或关系代词填空。（四）练习：用适当的介词或关系代

15、词填空。 1. I will never forget the day _which I joined the army. 2. Do you like the singer about _ she often talks. 3. The moment _which I made the decision is exciting. 4. Have you found the book from _ we learnt a lot? 5. Do you know the reason _ which he lost the job? on whom at which for conclusion

16、 1.关系副词及其用法关系副词及其用法 2.关系副词引导的定语从句注意事项关系副词引导的定语从句注意事项 3.介词介词+关系代词关系代词= 关系副词关系副词 4.介词介词+which/ whom 追踪练习追踪练习 单句语法填空 1We visited the house _ the famous scientist once lived. 2The photo reminded me of the days _ I played hideandseek with my sisters. 3This is the primary school _ which both my brother an

17、d I stayed for six years. 4It was a period _ they met very frequently. 5We have come to a point _ everyone has different opinions and it is difficult to reach an agreement. where when in/at when where 6One of the reasons _ he was refused in the interview was that his spoken English was terrible. 7Ill never forget the time _ we spent together in the army camp. 8Ill never forget the day _ I joined the League. 9Miss Liu is an excellent teacher _ whom I have learned a lot. 10The Smiths have two children, both of _ work in New York. why that/which when from whom