九年级英语全册 Unit 4 What would you do快乐学案(无答案) 人教新目标版.pdf

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1、Unit 4 What would you doUnit 4 What would you do 快乐学案快乐学案. 概念：(1) 定语从句： 在主从复合句中用作定语的从句叫定语从句。 定语从句一般紧接在先行词(antecedent)后面。(2) 先行词：被定语从句修饰的成份。先行词可以为一个词，短语，或整个主句。(3)引导定语从句的词叫关系词，分为关系代词和关系副词。关系词的作用：1) 引导定语从句，连接主句和从句，相当于一个连词；2) 必在从句中作某个句子成份（可以做主语，宾语，表语，定语，状语）常用的关系代词: that（在从句中作主语，宾语，表语；可指人或物）, which（在从句中作

2、主语，宾语，表语或定语；只可指物）, who（主格，在从句中作主语，在口语或非正式用法中作宾语；只可指人），whom（宾格，在从句中作宾语；只可指人），whose（属格，在从句中作定语，可指人或物）, as (在从句中作主语，宾语，表语; 可指人或物, 通常指代事); but (文语, 置于否定词之后=that/whonot, 没有不, 在从句中作主语，宾语)常用的关系副词（在从句中只作状语）: when(时间状语), why（原因状语）, where（地点状语）, how（方式状语）(4) 句子成分：主语-谓语动词前;宾语-介宾或及物动词的宾语；表语-be 动词后或系动词后；状语-时间状语、

3、地点状语、原因状语，etc.例如:1.The student who answered the question was John. (Who 做关系代词引导定语从句,修饰先行词 student,who 在从句中用作主语.)2.I know the reason why he was so angry. (Why做关系副词, 修饰先行词 reason, why 在从句中作原因状语.)3.The boy (whom) you are talking to is my brother. (Whom做关系代词,修饰先行词 boy, whom 在从句中作宾语.)4. Id like a room wh

4、ose window looks out over the sea. (Whose 做关系代词, 修饰先行词 room, whose在从句中用作定语,可代之以 of which)定语从句三步：第一找出先行词；第二看先行词在定语从句中的语法功能（做主语、宾语或状语）；第三选择合适的关系词. 几个关系代词的基本用法：一、that: 可指人或物；在定语从句中作主语，宾语，表语。(指人时，相当于 who 或 whom；指物时，相当于 which)(一般不用于非限制性定语从句; 不可置于介词后作宾语) 如：1. A letter that/which is written in pencil is di

5、fficult to read. (主语)2. Do you know the gentleman that/who spoke just now?3. You can take anything ( that) you like. （宾语）4. What is the question (that/which) they are talking about?5. Here is the man ( who/whom/that ) you want to see.6. Shes no longer the girl ( that) she used to be before.（表语）7. Ou

6、r hometown is no longer the one (that) it used to be.= Our hometown is not the sameas it usedto be.= Our hometown is different from what it used to be.= Our hometown is not what it used tobe.二、which: 指物；在定语从句中作主语，宾语，表语，定语。如：1. The book which/that was on the desk was bought by my father.（主语）2. The bo

7、ok (which/that) I bought yesterday is very interesting.（宾语）3. The factory in which his father works is far from here.4. He was proud, which his brother never was. （表语）5. Tom spent four years in college, during which time he learned French.（定语）6. He may be late, in which case we ought to wait for him

8、.三、who, whom, whose:who: 主格, 在从句中作主语，在口语或非正式用法中作宾语; 只可指人whom: 宾格，在从句中作宾语; 只可指人whose: 属格，在从句中作定语，可指人也可指物。1.I like the students who/that work hard. （主语）2.All who heard the story were amazed. (代词如 he, they, any, those, all, one等后多用 who.)3.Chaplin, for whom life had once been very hard, was a success as

9、 an actor. （宾语）4.Hes a man from whom we should learn. = Hes a man (whom/who/that) we should learn from.比较：He is the student whom you think to be worthy of your praise.He is the student who you think is worth praising.5. A child whose parents are dead is called an orphan.（指人）Id like a room whose wind

10、ow faces south. （指物）=Id like a room of which the window faces south.=Id like a room the window of which faces south.There is a teapot shaped like a Chinese duck, out of whose mouth tea is supposed to come关系代词作介词宾语:关系代词在定语从句中用作介词宾语时, 介词可放于从句之首, 也可放于从句之末. 但以放于句首较为正式.（介词前置，必须注意不影响动词词组的含义。关系代词who 和 that

11、 用作介词宾语时, 介词必须放在句末.）如:1. This is the book for which you asked.=This is the book (that/which) you asked for.2.Do you know the person with whom I shook hands？= Do you know the person (whom/who/that)I shookhands with?3. The beginning of agriculture was a big step in human progress with which nothing co

12、uld compareuntil our information age.4.In the dark street, there wasnt a single person to whom she could turn for help.Is this the factory to which you paid a visit last week?Is this factory the one to which you paid a visit last week?5.This is the girl whom they are looking after. ( 介词 after 与 look

13、 构成固定词组，不可前置。再如：look at, look for, look after, take care of等)四、as 的用法:(as 引导定语从句, 在定语从句中作主语、宾语、表语)(1) 如为限制性的，多用于the same as ; the same as；such as ; as many/much as；so as等结构中。如：1. I have the same book as you (have). 我有一本和你的一样的书。Her attitude to him was quite the same as it had always been. (关系代词 as和指示

14、代词 same 连用, 在从句中用作表语, 先行词是 same.)2.-Why didnt you mention that in face of the police just now?- I thought it was such a minor detail as was hardly worth mentioning.We will only discuss such problems as have something to do with our own interests.Dont do such things as you are not sure about.There is

15、 no such place as you dream of in all this world.比较：I live in the same house that he used to live in.Im wearing the same shirt as you wore yesterday.比较：Here is so big a stone as no one can lift. （定语从句）Here is so big a stone that no one can lift it.（结果状语从句）(2) 如为非限制性的，多单独引导一个定语从句，这种定语从句可置于句首，句中或句尾，译为

16、 正如，这一点。（动词常为 know, see, expect, point out, etc.）1. As we all know, smoking is harmful to ones health . (as 作宾语)=As is known to all, smoking is harmful to ones health . （as 作主语）=Its known to all that smoking is harmful to ones health .或:Smoking is harmful to ones health , as we all know .（as 作宾语）或:

17、Smoking, as we all know, is harmful to one health.2.He was a foreigner, as I knew from his accent. (宾语, 先行词是前面整个句子)五、but 的用法:but 用作关系代词, 其意思相当于 who/thatnot, 没有不, 如：1.There is not one of us but wishes to help you.2.There is no tree but bears some fruit.3.There are very few but admire his talents. 关系副

18、词引导的定语从句:When 指时间， 在定语从句中作时间状语。 其先行词是表时间的名词 （如： time, day, week, tear, month, etc.）1. He came last night when I was out.2. We will put off the picnic until next week, when the weather would be better.注意： 先行词为时间名词， 可用 when 引导定语从句， when 在定语从句中作状语； 还可以用 which 或 that 引导，which 或 that 在从句中作主语或宾语。比较: 1.I s

19、till remember the day when /on which my brother joined the army. （作状语）Next month, when you will be in your hometown, is just around the corner.2. I still remember the days which/that we spent together. （作宾语）Next winter which/that youll spend in Harbin, Im sure, will be exciting.3. I shall never forg

20、et the day when Shen Zhou was launched, which has a great effect on my life.There are occasions when joking is not permissible.Where 指地点， 在定语从句中作地点状语。 其先行词是表示地点的名词， 如： place, school, factory, room,etc. 如:1. This is the place where I was born.2. I live in the room where /in which he used to live.注意：先

21、行词是地点名词，定语从句可用 where 引导，还可用 which 或 that 引导，which/that 在从句中作主语或宾语。比较: 1. This is the factory where /in which he worked last year. （作状语）The treatment will continue until the patient reaches the point where he can walk correctly andsafely.I think you have got to the point where a change is needed, or

22、you would fail.Government reports, legal papers and most business letters are the main situations where Englishis used.Hes got himself into a dangerous situation where hes likely to lose control of the plane.The small mountain village where we spent our holiday last month lies in what /the place whi

23、ch isnow part of Hubei.2. This is the park which/that they visited last year. （作宾语）Not having been there before, he simply had no idea about the place, which everyone says is worthvisiting.Why 指原因，在定语从句中作原因状语。先行词为reason 时，可用 for which 指代；当关系词在从句中作主语或宾语时，则用 which 或 that 引导。如：1. The reason why / for w

24、hich / (that) he didnt attend the meeting was that he was ill. （作状语）2. I dont believe the reason (that/which) he gave me. （作宾语）Have you asked him the reason that may explain his success? （作主语）Ex.) He was late .Thats because he got up late.He got up late. Thats why he was late.(表语从句)(the reason) why/

25、for which he was late. (定语从句)当先行词为 way 时，定语从句常用 that, in which,或 how 引导，that 常可以省略。way 后的定语从句 的引导词不用时较多。但如果关系词在句中作主语或宾语时，则用 which 或 that 引导。如:1. This is the way (that) /in which I do such things.比较: Please do the experiment in the way （that/which）I have shown you. 限制性定语从句与非限制性定语从句的区别：1. 形式上，非限制性定语从句

26、往往用逗号隔开。2. 语法上，非限制性定语从句一般不用that.3. 语义上，限制性定语从句与先行词关系紧密，起限定作用，如果去掉了这个定语从句，整个句子就不完整或者会改变意思；而非限制性定语从句与先行词关系不是很紧密，对先行词起补充说明或描述的作用。1).This is the book I like best. 这就是我最喜欢的那本书。2).Beijing, which has been Chinas capital for more than 800 years , is rich in cultural and historicrelics. 北京是中国八百年之久的古都，它有着丰富的文

27、化和历史遗产。4. 翻译时，限制性定语从句可译为一句（较短的一般译为的字结构）；而非限制性定语从句可译为两句。（见上句翻译）比较: He has a sister, who is a musician.He has a sister who is a musician.引导非限制性定语从句的关系代词，指人时用who, whom, whose , 指物时用 which , whose; 关系副词 when，where, why, etc.1. He studied hard at school when he was young, which leads to his success in hi

28、s later life.2. Toms father, who arrived just now, is a famous scientist.3. They set up a separate state of their own, where they would be free to keep Negroes as slaves.4. He was proud, which his brother never was. 几个易混淆的关系代词的比较:(A) that & which:在定语从句中，which 和 that 在指代事物时，一般可以互换使用，但并非在任何情况下都是这样，这里介

29、绍宜用 that, 而不宜用 which 的情况.(1) 先行词为不定代词，如all, much, something, everything, anything, nothing, none, the one等。如：1.We should do all that is useful to the people .2.Theres nothing that can be said about it .3.Do you mean the one that was bought yesterday?(2) 先行词被 only, any, few, little, no, just, very, o

30、ne of等词修饰时。如：1.The only thing that we could do was to wait.2.Thats the very word that is wrongly used.3.The last place (that) we visited was the chemical works.4. You can take any (=whichever) seat that is free.5. I hope the little that I can will be of some help to them.6.比较 *This is one of the bes

31、t novels that were published last year.*This is the only one of the best novels that was published last year.(3) 先行词是序数词时或被序数词修饰时。如：1.When we talk about Wuxi, the first that comes into mind is Tai Lake.2.This is the third film that has been shown in our school this term.(4) 先行词是最高级或被最高级修饰时。如：1.This

32、is the best that can be done now.2.The most important thing that should be done right now is how to stop him from going on.(5) 先行词既有人又有物，用which 和 who 都不适合，这时宜用 that. 如：1.The writer and his novel that you have just talked about is really well known .2.The rider and his bike that had run over an old w

33、oman were held up by the police.(6) 被修饰词为数词时. 如：1.Yesterday I caught two fish and put them in a basin of water .Now you can see the two that arestill alive .(7) 如果有两个从句，其中一个关系代词已用which ,另一个关系代词宜用 that，以避免语言的单调或重复。如：1.Edison built up a factory which produced things that had never been seen before.(8)

34、 疑问词是 who 或 which，关系代词宜用 that，以避免重复。如：1. Which is the book that you like best?2. Who is the man that is standing at the gate?(9) 主句是 There be 结构，修饰其主句的定语从句宜用that 作关系代词. 如：1. There is still a seat in the corner that is still free.(10) 被修饰成分为表语时，或者关系代词本身是定语从句的表语时，该关系代词宜用that . 如：1. Thats a good book t

35、hat will help you a lot.2. My home village is no longer the place ( that ) it used to be .定语从句中宜用 which 而不宜用 that 的情况:(1) 当关系代词的前面有介词时. 如：1.A zoo is a park in which many kinds of animals are kept for exhibition.2.Is this the room in which Mr. White lives?(2) 在非限制性定语从句中. 如：1.Crusoes dog, which was ar

36、e now very old, became ill and died .2.More and more people are beginning to learn English, which is becoming very popular in our country.(which 指代主句)(3) 在一个句子中有两个定语从句，其中一个定语从句的关系代词用了that, 另一个宜用 which . 如：1. Let me show you the novel，that I borrowed from the library which was newly open to us.2. At

37、the station I bought some magazines that might help me to pass the time on the train and whichI could pass on to others when I finished them.(4) 当关系代词后面带有插入语时. 如：1. Heres the English grammar which, as I have told you, will help improve your English.(5) 先行词本身是 that, 宜用 which . 如：Whats that which she

38、is looking at?(6) 先行词是 those+复数名词. 如：A shop should keep a stock of those goods which sell best.(B) who & that:who 和 that 指代人时，有些情况宜用 who, 而不宜用 that(1) 先行词为 anyone, anybody, those, all, one, ones, they, he, people时. 如：1.The person I want to learn from is the one who studies hard and works well.2.Anyo

39、ne who (=Whoever) failed to come to the meeting yesterday must give his reason .3.Those who are not fit for their work should leave office at once4.I dont like the ones (= those ) who talk big.5.Persons who are quarrelsome are despised.(2) 在 There be 结构中，修饰主语的定语从句宜用关系代词who 指代人. 如：1.There is a gentle

40、man who wants to see you .2.There are several students in our class who are still not sure about the us e of attributive clauses.(3) 当先行词有较长的后置定语时. 如：1. I met a foreigner in the park yesterday afternoon who could speak Chinese very well.(4) 一个句子中带有两个定语从句，其中一个定语从句的关系代词是that ,另一个则宜用 who, 以免重复.如：1. The student that waspraised at yesterdays meeting is the monitor who is very modest and worksvery hard .(C) as & which:as & which 引导非限制性定语从句的区别