高一英语必修二--Unit1语法课件ppt.ppt
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1、变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分1. The man lives next door is a writer.2.The woman I visited last week is a famous writer.3. Beijing is the city has got the chance to host the 2008 Olympic Games.4. A dictionary is a book you can use to learn more words.5. The litt
2、le boy eyes are blue is holding a dog.6. The house roof was blown away by the storm will be rebuilt soon. who / thatwho / whom / that/-which / that which / that/-whosewhosewhenI began to work in Beijing in the year _New China was founded.Do you know the reason _ he didnt come? why9. I cant remember
3、the place _I put my book.where变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分一、定语从句的定义:一、定语从句的定义: 用来修饰用来修饰名词名词或或代词代词的从句叫定语从的从句叫定语从句。被定语从句所修饰的名词或代词叫句。被定语从句所修饰的名词或代词叫先行先行词词(antecedent)。定语从句一般是由)。定语从句一般是由关系关系代词代词或或关系副词关系副词来引导的。相当于名词和形来引导的。相当于名词和形容词的作用。容词的作用。eg: 1. Do you know the m
4、an who came to see Xiao Yang this morning? 2.The day is not far off when we will make a trip to Britain.定语从句归纳总结定语从句归纳总结变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分二、关系代词和关系副词的作用:二、关系代词和关系副词的作用:1、引导作用、引导作用2、替代作用、替代作用3、在定语从句中担当某个成分的作用、在定语从句中担当某个成分的作用eg: 1.Those who want to go
5、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.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分关系代词的用法关系代词的用法关系代词在从句中可以:关系代词在从句中可以:whomwhowhichthatwhose何时可以省略?何时可以省略?做宾语时可以省略做宾语时可以省略变电站电气主接线是指变电站的变压
6、器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分指代指代所做成分所做成分是否可省略是否可省略whentimeadverbial(状语)状语)nowhereplaceadverbialnowhyreasonadverbialno关系副词关系副词变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 that和和which在指物的情况下在指物的情况下一般都可以一般都可以互换互换, 但在下列情况下但在下列情况下, 一般用一般用that而不用而不用which。I a
7、m sure she has something (that) you can borrow.Ive read all the books that are not mine. This is the first book (that) he has read.This is the very book that belongs to him.1) 当先行词是当先行词是all, everything, nothing, something, anything, little, much 等不定代词或被等不定代词或被all, every, no, some, any, little, much,
8、 few, only等修饰时等修饰时.2)先行词被序数词或形容词最高级修饰时。先行词被序数词或形容词最高级修饰时。3)先行词被先行词被the only, the very, the same, the last修饰时修饰时变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 (5) 先行词是先行词是who或或who引导的主句。引导的主句。 Who is the girl that drove the car? Who that broke the window will be punished. (6) 主句以
9、主句以There be 引导时引导时 There are 200 people that didnt know the thing. (7) 当先行词在定语从句中作当先行词在定语从句中作be表语時,关系表语時,关系代词用代词用that. She isnt the girl that she was 10 years ago. (8)当先行词是当先行词是which时,关系代词用时,关系代词用that. Which is the book that you bought last week?(4)当先行词既有人又有物时当先行词既有人又有物时, 用关系代词用关系代词thatWe were deepl
10、y impressed by the teachersand the schools that we had visited there.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分关系代词指物时只用关系代词指物时只用whichwhich不用不用thatthat的情况的情况(1)在介词之后This is the question about which weve had so much discussion.(2)当主句中的主语被that修饰时。eg. That dog which I found in
11、 the street belongs to Mary.(3) 在非限定性定语从句中必须用which不能用that。They have invited me to visit their country, which is very kind of them.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 that和和who在指在指 人的情况下人的情况下一般都可以互一般都可以互换换, 但在下列情况下但在下列情况下, 一般用一般用who而不用而不用that。1.先行词为先行词为those, one, one
12、s, peoples时时 Those who are from Qingdao come this way.2.当先行词是用当先行词是用-body或或-one构成的不定代构成的不定代词时词时Is there anybody else who should be invited 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分关系副词关系副词when, where, why的用法的用法 关系副词都等于一个适当的介词关系副词都等于一个适当的介词which,在从句中作在从句中作状语状语When=in/at/on/
13、during+which;Where=in/at/on/+which;Why=for +which 1.Do you still remember the day when(on which) we went to visit the museum together? 2.This is the factory where(in which)my father once worked. 3.This is the reason why(for which) he was late.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线
14、组成中一个重要组成部分A. I know a place where we can have a picnic.I know a place which / that is famous for its beautiful natural scenery. Compare :关系代词和关系副词在定语从句关系代词和关系副词在定语从句中的不同成分(中的不同成分(注意事项注意事项)变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分B. I will never forget the days when we spe
15、nt our holidays together. I will never forget the days that / which we spenttogether. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分C. This is the reason why he was dismissed.This is the reason that / which he explained to me forhis not attending the meeting.变电站电气主接线是指变电站的变压器、输
16、电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分注意注意:关系代词放在介词后面,只能用关系代词放在介词后面,只能用which或或whoma.This is the boy with whom he worked.b.This is the boy whomhe worked with.c. This is the boy who he worked with.d. This is the boy he worked with.e. The house where we live is not large.f. The house in whic
17、h we live is not large.g. The house which we live in is not large.h. The house we live in is not large. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 as 从句的先行词是从句的先行词是the same, such, 或被他或被他们所修饰;在从句中做主语或宾语;多用于表们所修饰;在从句中做主语或宾语;多用于表示肯定意义的从句中,不用于表否定意义的从示肯定意义的从句中,不用于表否定意义的从句中。句中。e.
18、g. Many of the sports are the same as they were when they started.The result was not such as he expected.It was raining hard, which / as was unexpected.常用于常用于as is known to all, as you know, as is expected,the sameas, suchas, asas, soas 句型中,句型中,as不可省略不可省略变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电
19、站的主接线是电力系统接线组成中一个重要组成部分 1.Such people as you describe are rare nowadays. 2.Lets discuss only such questions as concern every one of us. 3.Would you please buy me the same novel as you bought for brother yesterday, Mum? 4. As we all know, John is an honest man.比较:比较: She wore the same dress that she
20、wore at Marrys wedding. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 Which 和和as 在引导非限定性定语从在引导非限定性定语从句时可以指代一件事,句时可以指代一件事, 如:如: The gentleman admired Mrs. Brown, which surprised me. As we had expected, his performance was excellent. 在这时在这时as可以在句首,可以在句首, which 不可以;不可以; as 有正如的意思
21、,有正如的意思, 而而which 没有。没有。 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 八、八、限制性定语从句和非限制性定语从句限制性定语从句和非限制性定语从句 1限制性定语从句是限制性定语从句是先行词在意义上不可缺少的先行词在意义上不可缺少的定语,定语,如果去掉,主句的意思就不完整或失去意义。如果去掉,主句的意思就不完整或失去意义。这种从句和主句的关系十分密切,写时不用逗号分这种从句和主句的关系十分密切,写时不用逗号分开。开。限制性定语从句中作宾语的关系代词常可省略。限制性定语从句中作宾语的关系
22、代词常可省略。如:如:a) What is the name of the tall woman who is standing there? 站在那边的那个女人叫什么名字站在那边的那个女人叫什么名字?b) Toronto is a city (that) I ve always wanted to visit.多伦多是我常想去参观的一个城市。多伦多是我常想去参观的一个城市。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接,从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分2非限制性定语从句和主句关系不十分密切,只非限制性定语从句和主句关系不十分密切,只是是
23、对先行词作些附加的说明对先行词作些附加的说明, 如果去掉如果去掉, 主句的意主句的意思仍然清楚。这种从句和主句之间往往用逗号分思仍然清楚。这种从句和主句之间往往用逗号分开,一般开,一般不用不用that引导。非限制性定语从句中,引导。非限制性定语从句中,关关系词不可省略系词不可省略。如:。如:a) Rome, which is the capital of Italy, has a very long history. 意大利的首都罗马历史非常悠久。意大利的首都罗马历史非常悠久。b) Yesterday I met Professor King, who came from the Univer
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