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1、Unit3 Looking good，feeling good定语从句（3）非限制性定语从句 非限制性定语从句起补充附带说明的作用，缺少它也不会影响全句的理解，译为汉语时常常不译作定语，而根据句意翻译为相应的其他形式的从句。它与主语的关系不像限定性定语从句的关系那样密切。在非限定性定语从句的前面往往有逗号隔开，如果把非限定性定语从句放在句子中间，其前后都要用逗号与主句隔开。1. 引导非限定性定语从句的关系代词如下表所示：指代对象指代人指代物主格who宾语whomwhich, as所有格whom, of whom, whosewhich, of which, whose注意：关系代词that不能
2、引导非限定性定语从句。 引导非限定性定语从句的关系副词主要有when, where。不可用why。2. 运用非限定性定语从句的情况：（1）关系代词指代整个主句内容 e.g. Our new house has a lovely garden, which makes us very happy.（2）当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限制性的。例如：Charles Smith, who was my former teacher, retired last year.（3）当出现some, many, few, a few, little, much, mo
3、st, two of which, whom等结构时 e.g. Youve made many mistakes, most of which were due to your carelessness.3. 限制性定语从句与非限制性定语从句的区别：类别语法意义及特征例句限制性定语从句对先行词起修饰限制作用，如果去掉，主句意思就不完整明确，这种从句与主句的关系十分密切，写时不用逗号分开。The accident happened at the time when I left.非限制性定语从句对先行词作附加的说明，与主句的关系不十分密切，较松散。从句和主句之间用逗号分开，相当于一个插入语，不能
4、用that引导，关系代词做宾语时也不能省略。His mother, whom he loved deeply, died ten years ago.非限制性定语从句主要在以下方面不同于限制性定语从句： 非限制性定语从句和主句的关系不十分密切，它不是对先行词进行修饰或确定，只是对先行词作些附加的说明。专有名词通常被非限制性定语从句所修饰。例如：地名，人名，国家名等。 非限制性定语从句不是先行词必不可少的修饰语，因此如果去掉从句，主句的意思仍然清楚。 从句和主句之间往往用逗号分开，翻译时复合句通常译成两句话。 与限制性定语从句一样，非限制性定语从句也可用关系代词who, which, whom,
5、 whose, as和关系副词when, where, why 引导。that不引导非限制性定语从句。例如： We will fly to Xian first, where we plan to stay for a couple of days.我们将先飞往西安，在那里我们打算停留两天。 My wife, who is a doctor, is working abroad this year.我的妻子是位医生，她今年在国外工作。 As is known to all, ice is water in its solid state.众所周知，冰是水的固态。非限制性定语从句中值得注意的几个
6、问题 在which引导的非限制性定语从句，先行词可以是一个名词或代词，也可以是句子的一部分，甚至整个句子。例如： My new car, which I paid several thousand dollars for, isnt running well. 先行词是car He said that he had never seen her before, which was not true. 先行词是he had never seen her before which和as引导的非限制性定语从句比较which和as都可引导非限制性定语从句，并且先行词都可以是一句句子，但which通常指
7、代上文提到的情况，而as则可以指代上文或下文。 as 在这类句子中经常有“正如”的意思。另外，as还经常与such, the same 等连用。（见第一讲中as 引导的定语从句）例如： He has to work on Sundays, which he doesnt like. As we expected, he gave a wonderful performance. Mike is late, as is often the case. I never heard such stories as he told. She knew he felt just the same as
8、she did. 在从句中作宾语的关系代词which, who, whom一般不省略。例如： Jeanne was her old friend, from whom she borrowed a necklace. He built a telescope, through which he could study the skies.4. as与which的区别：定语从句区别例句限制性定语从句中名词前有such和the same修饰时，关系代词用as,不能用whichHe is not such a fool as he looks.Dont read such books as you
9、cant understand. 非限制性定语从句中as和which都可以指代前面整个主句。如果有“正如，象”的含义，并可以放在主句前，也可以放在后面，那么用as；而which引导的从句只能放主句后，并无“正如”的意思。They won the game, as we had expected.They won the game, which we hadnt expected.As is well known, he is a famous film star in the 1980s.关系代词as引导的定语从句 和such连用，这时的as相当于who, which。有时such和as连在一
10、起例如： Wendy is not such a fool as she looks. Such cars as I saw were too expensive to me. We had hoped to give you a chance such as nobody else ever had.注意：这种用法和such that 的区别在such as 中，as是关系代词，它在从句中充当成分。例中作looks的表语，在例和中分别作saw和had的宾语。而在such that 中that引导的结果状语从句，解释为“以至于”。that不充当任何成分，只起语法上的连接作用。例如： She g
11、ave me such a surprise that I couldnt say anything at that moment. His idea was such a good one that we all agreed to use it. 和same连用例如： You must show my friend the same respect as you show me. She wears the same kind of clothes as her sister usually does. 引导非限制性定语从句例如： She was the one I met at the
12、party, as you know. As was natural, she married Robin.5. 定语从句和其它从句的区分很多高三的同学在解题时发现，有时难以区分定语从句，表语从句，时间、地点状语从句和强调句。解决这一问题的关键在于牢记： 定语从句一定有先行词 定语从句的关系代词和关系副词在从句中一定充当成分。我们来看具体的从句的比较：（一）定语从句和表语从句例 1) This is where your father worked when he was young.此句没有先行词，where 引导的是表语从句，where相当于“the place where”，解释为“的地
13、方”。2) This is the shop where my brother once worked.此句中where引导的是定语从句， 先行词是：the shop。（二）定语从句和状语从句例 1) Lets do it when we are free.此句中没有先行词，when引导的是状语从句。2) Lets do it next month, when we are free.这里when引导的是定语从句，先行词是next month。又如：1) Put it where it was. where引导的是地点状语从句，无先行词。2) Put it in the drawer wher
14、e I keep documents. where引导的是定语从句。（三）定语从句和强调句例 1) Where did you interview the composer?It was in the hotel _ he stayed.A. where B. that此句看上去很像强调句型，很多同学因而错选B。但选B后意思是：他住在宾馆里。不能回答上文中提出的问题。而应该选A，句子的意思是：是在他住的宾馆。所以，正确地解这一题除了要求对定语从句和强调句型有很好的掌握以外，还考查了对题目所给出的语境的理解。（四）定语从句和并列句例 1) There are 45 students in our
15、 class, of whom two fifths are girls. of whom/which +分数/百分数/ both / all / none / some / many 这样的结构常出现在定语从句中，尤其是在较正式的文体中。更常见的是：分数/百分数/ both / all +of whom/which， 此句是定语从句。2) There are 45 students in our class, and two fifths of them are girls.此句中的第二分句由并列连词and引起，因此，不是定语从句。反意疑问句一、基本用法与结构 反意疑问句由“陈述句+简单疑问
16、句”两部分组成，第一部分提出一种看法，第二部分用来质疑或表示证实。陈述部分与疑问部分的动词时态和动词性质应保持一致，而且肯定和否定形式彼此相反，即陈述部分为肯定式时，疑问部分用否定式，陈述部分为否定式时，疑问部分用肯定式： He likes English, doesnt he? 他喜欢英语，不是吗？ He doesnt like English, does he? 他不喜欢英语，是吗？二、反意疑问句的用法：（一）具体用法整理如下：用 法例 句1. 肯定陈述句后反意疑问句用否定形式，否定陈述句后反意疑问句用肯定形式1. We can still be friends, cant we?2. H
17、e doesnt like ice cream, does he?2. 陈述句中的主语是名词，反意疑问句中用相应的代词来代替陈述句中的主语。 1）当主语是someone, somebody, anybody, anyone, everybody, everyone, nobody, no one等不定代词时， 反意疑问句中的代词用they或者he. 2）当主语是this, that, something, nothing, anything, 不定式，动名词，或从句时，反意疑问句中的代词用it 1. His father cant name the plant, can he?2. Every
18、one has advised you not to go on a diet, havent they/hasnt he?3. This is a lovely clock, isnt it?4. Something is shining, isnt it?5. To swim in such cold water is crazy, isnt it?6. What he did really scared me, didnt it?7. Shopping isnt what you want to do, is it?3. 陈述句中动词是情态动词时，一般用情态动词+代词的形式。情态动词mu
19、st用法如下： 1）作“禁止”讲时，用must 2）作“必须”讲时，用 mustnt / neednt 3）作“肯定”讲时，根据动作发生的时间，选用不同的时态。1. He dare not cross the street alone, dare he?2. We neednt finish it today, need/must we?3. Students mustnt be late, must they?4. He must be in his room now, isnt he?5. They must have come back, havent they?6. You must
20、have got the letter when you were in the office, didnt you?4. 陈述句中用了表示否定意思的neither, none, nobody, nothing, few, little, never, hardly, seldom等词后，反意疑问句用肯定形式。但陈述句中否定意义前缀或后缀的词，不影响反意疑问句的形式。 1. Neither of you will have coffee, will you?2. She seldom argues with others, does she?3. No one has found my CD,
21、 have they?4. Its unfair, isnt it?5. They are hopeless, arent they?5. 在祈使句后的反意疑问句中， 一般用will you，但在Lets 开头的祈使句后，一般用shall we。1. Post a letter for me, will you?2. Dont tell him about it, will you?3. Lets go, shall we?4. Let him go, will you?6. 在主从复合句中，一般与主句的谓语动词一致，但在主句主语是第一人称，并且谓语部分为think, believe, ima
22、gine, suppose等时，疑问句一般与从句的谓语一致。1. They told me it was not true, didnt they?2. I believe he can make it, cant he?3. We dont believe we were defeated, were we?7. 反意疑问句的回答方式是根据事实情况回答，而不受提问方式影响。1. We havent been informed, have we?Yes, we have. （不，我们接到通知了。）No, we havent. （对，还没有。）（二）常见句型的反意疑问句 1. 当陈述部分是the
23、re be 存在句型时，反意疑问句的主语也用there。 e.g. There was nothing in the room, was there? 房间里什么也没有，是吗？2. 感叹句的反意疑问句，其谓语要求用否定句。 e.g. What a beautiful day, isnt it? 多好的天气啊，不是吗？3. 祈使句后面的反意疑问句问题 A) 祈使句是否定形式，反意疑问句用will you。 e.g. Dont forget to post the letter, will you? 请别忘了寄信。B) 祈使句是肯定形式，反意疑问句用肯定、否定均可。 e.g. Please hel
24、p us, will you/wont you? 请帮帮我们，好吗？C) Let开头的祈使句要注意： 1. Lets 在意义上包含谈话的对方在内，表示提出建议或征求对方意见，其反 意疑问句往往用shall we。 e.g. Lets go there together, shall we? 我们一起去，好吗?2. Let us 在意义上一般不包含谈话的对方在内，表示请求对方允许做某事的含义，let 有allow的意思。附加疑问部分用will you。 e.g. Let us go swimming together, shall we? 我们一起去游泳好吗?3. Let me 开头表示请求，反
25、意疑问句用will you，或用may I。 e.g. Let me carry the box for you, may I? 我帮你搬箱子好吗？（三）复合句的反意疑问句 1. 当陈述部分是一个（带that引导宾语从句的）主从复合句时，反意疑问句的主谓要和主句的主谓保持对应关系。但是，当陈述部分的主语是：I suppose, I think, I believe, I imagine, I expect等结构时，反意疑问句的主语和谓语要和从句的主语，谓语保持一致关系。而且要注意到否定的转移问题。 e.g. I think she is right, isnt she? 我认为她是对的，是吗？
26、2. 当陈述部分是Im sure that,；we are sure；Im afraid that；We are sure that；I feel sure that 等后面跟宾语从句时，反意疑问句与后面的宾语从句一致。 e.g. Im afraid it is going to rain, isnt it? 恐怕要下雨了，不是吗？ （四）关于情态动词的反意疑问句 1. 陈述部分中有have一词，且表示“所有”含义时，反意疑问句部分既可用have也可用do。 e.g. You have a bike, havent you/dont you? 你有一辆自行车，不是吗？2. 陈述部分中有have
27、 to，反意疑问句部分用do。 e.g. He had to go to work when he was very young, didnt he? 他年轻的时候不得不出去工作，不是吗？3. 含有ought to 的反意疑问句，陈述部分是肯定的，疑问部分用shouldnt/oughtnt +主语。 e.g. He ought to know what to do, oughtnt he/shouldnt he? 4. 陈述部分有used to，反意疑问句部分可用used 也可以用did 。 e.g. He used to get up early, usednt he/didnt he? 他
28、习惯早起，不是吗？5. 陈述部分有neednt时，反意疑问句部分用need但有时也可用must。 e.g. We neednt do it again, need we ? 我们不必要再做一遍了，是吗？6. 陈述部分有must，且表示“必须”时，反意疑问句部分用mustnt，如果表示“必要”则用neednt。 e.g. You must leave at once, mustnt you?你必须马上离开，是吗?You must leave at once, neednt you?你有必要马上离开，是吗?7. 陈述部分中是mustnt表示“禁止”时，反意疑问句部分用must。 陈述部分中的mus
29、t表示“一定”、“想必”等推测意义时，反意疑问句部分而是根据陈述部分的谓语动词或其助动词来定。 e.g. You musts smoke here, must you? 你不能在这里抽烟，是吧？He must be there now, isnt he? 他现在一定在那里，不是吗？8. 陈述部分是I wish，表示询问或征求意见，反意疑问部分用may I。 e.g. I wish to go with them, may I? 我想同他们一起去，可以吗？9. 陈述部分的主语是each of.结构时，反意疑问句在强调整体时用they，当作个别时用he。 e.g. Each of the boys
30、 has a map, dont they? 每个男孩都有一张地图，不是吗？10. 陈述部分有neither. nor.(either.or.)做并列主语，反意疑问部分根据其实际逻辑意义而定。 e.g. Neither you nor I am engineer, are we? 我和你都不是工程师，是吧？11. 陈述部分是：Im .结构，反意疑问句一般用arent I? e.g. Im wrong, arent I? 我错了，是吗?12.陈述部分有had better + v. 疑问句部分用hadnt you? e.g. Youd better read it by yourself, ha
31、dnt you? 你最好自己看，是吧？13. 陈述部分有would rather +v.，疑问部分多用 wouldnt +主语。 e.g. He would rather read it ten times than recite it, wouldnt he? 他宁愿读十遍也不愿意背，是吗？14. 陈述部分有Youd like to +v. 疑问部分用wouldnt +主语。 e.g. Youd like to go with me, wouldnt you? 你想和我一起去，不是吗？15. 带情态动词dare或need的反意疑问句，疑问部分常用 need (dare ) +主语。 e.g.
32、 We need not do it again, need we ? 我们不需要再做一遍，是吧？ He dare not say so, dare he? 他不敢那样说，是吧？当dare, need 为实义动词时，疑问部分用助动词do + 主语。 e.g. She doesnt dare to go home alone, does she? 她不敢一个人回家，是吗？语法知识拓展（一）选择适当的关系代词或关系副词把下列句子补充完整。1. We should read such books _ will make us better and wiser.2. He failed in the
33、exam, _ proves that he wasnt working hard enough. 3. Is it that factory _ this car is produced?4. _ is often the case, we have worked out the production plan.5. She was very kind towards the children, _ her husband seldom was.6. In the office I never seem to have time until after 5.00 p.m., _ many p
34、eople have gone home.7. He called on another girl, _ he believed was more suitable for the job.8. The clever boy made a hole in the wall, through _ he could see what was going on inside the house.9. I intended to compare notes with a friend, _ unfortunately couldnt spare me even one minute.10. Last
35、week, only two people came to look at the same house _ Mr. Black is trying to sell. （二）用定语从句合并下列句子1. Dont do such things. You are not sure about the things. _2. The weather turned out to be very good.It was more than we could expect. _3. Myunclehadthreesons.Twoofthemdiedduringthelastearthquake._4. T
36、here were dirty marks on her trousers.She had wiped her hands there. _5. He visited the primary school. He once studied for four years there. _（三）单项填空1. These houses are sold at such a low price _ people didnt expect. A. likeB. as C. that D. which2. I bought a book written in _ easy English _ beginn
37、ers can understand. A. such an, as B. such, that C. so, that D. such, as3. This is so difficult a question _. A. that many students cant answer B. which many students cant answer it C. as no one can answer it D. as nobody can answer4. He tore all my letters and _didnt upset me at all. A. this B. it
38、C. which D. as5. John said hed been working in the office for an hour, _ was true. A. he B. this C. which D. who6. You should make it a rule to leave things _ you can find them again. A. when B. where C. then D. there 7. The manager decided to give the job to _ he believed had a sense of duty. A. wh
39、o B. whom C. whoever D. whomever 8. _ I had expected, the number of the audience was well over two thousand. A. As B. Which C. Whom D. That9. After five hours drive, they reached _ they thought was the place they had been dreaming of. A. that B. where C. which D. what10. Do you like any of the music
40、 _ youve listened? A. which B. that C. for which D. to which11. Whenever I met her, _ was fairly often, I liked her sweet and hopeful smile. A. who B. that C. when D. which12. Nowadays, more and more students are working directly on the Internet _ different types of courses are supplied. A. that B.
41、which C. where D. whose13. Is there a supermarket around _ I can get some food? A. where B. that C. which D. from it 14. It was on the farm _ he grown up _ he told me about his childhood. A. where, that B. that, that C. where, when D. that, when15. That was the young man, I think, _ I saw the other
42、day help to catch the thief. A. who B. one C. the one D. which16. You must show my wife the same respect _ you show me.A. as B. that C. who D. what17. _ is known to all, China will be an advanced and powerful country in 20 or 30 years.A. Which B. That C. As D. It18. New York, _last year, is a nice o
43、ld city.A. that I visited B. which I visited C. where I visited D. in which I visited19. _ is reported in the newspapers that talks between the two countries are making progress.A. It B. As C. That D. What20. He invited ten friends to his home, _ are foreigners.A. six of whom B. the six of whomC. six of them D. the six of them21. She was _I met at the party, _you knew.A. the one, as B. who, that C. the one what, whichD. that, as22. He tore up my photo and _ upset me.A. this B. i