高三英语 复习与训练十七十八十九二十一名词性从句定语从句状语从句 连词.doc

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1、高三英语复习与训练十七、十八、十九、二十一名词性从句、定语从句、状语从句 、连词17. 名词性从句 在句子中起名词作用的句子叫名词从句。名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。17.1 引导名词性从句的连接词引导名词性从句的连接词可分为三类: 连接词: that, whether ,if (不充当从句的任何成分) 连接代词:what, whatever, who, whoever, whom, whose, which 连接副词:when, where,

2、 how, why 不可省略的连词:1. 介词后的连词2. 引导主语从句和同位语从句的连词不可省略。例如:That she was chosen made us very happy. 她被选上了,我们很高兴。We heard the news that our team had won. 我们听到消息说我们队赢了。 比较:whether与if 均为是否的意思。 但在下列情况下,whether 不能被if 取代: 1. whether引导主语从句并在句首 2. 引导表语从句 3. whether从句作介词宾语 4. 从句后有or not 大部分连接词引导的主语从句都可以置于句末,用 it充当形

3、式主语。例如: It is not important who will go. 谁去,这不重要。 It is still unknown which team will win the match. 到底谁赢呢,形势尚不明朗。 17.2 名词性that-从句 1)由从属连词that引导的从句叫做名词性that-从句。That只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有词义。名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语。例如: 主语:That he is still alive is sheer luck. 他还活着全靠运气。 宾语:John said

4、that he was leaving for London on Wednesday.约翰说他星期三要到伦敦去。 表语:The fact is that he has not been seen recently. 事实是近来谁也没有见过他。同位语:The fact that he has not been seen recently disturbs everyone in his office. 近来谁也没有见过他,这一情况令办公室所有的人不安。 形容词宾语:I am glad that you are satisfied with your job. 你对工作满意我感到很高兴。 2)T

5、hat-从句作主语通常用it作先行词,而将that-从句置于句末。例如: It is quite clear that the whole project is doomed to failure.很清楚,整个计划注定要失败。 Its a pity that you should have to leave.你非走不可真是件憾事。 用it作形式主语的that-从句有以下四种不同的搭配关系: a. It + be +形容词+ that-从句It is necessary that 有必要It is important that 重要的是It is obvious that 很明显 b. It +

6、 be + -ed 分词+ that-从句It is believed that人们相信It is known to all that 从所周知It has been decided that 已决定 c. It + be +名词+ that-从句It is common knowledge that 是常识It is a surprise that 令人惊奇的是It is a fact that 事实是 d. It +不及物动词+ that-分句It appears that似乎It happens that碰巧It occurred to me that 我突然想起 17.3 名词性wh-

7、从句 1)由wh-词引导的名词从句叫做名词性wh-从句。Wh-词包括who, whom,. whose, whoever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。Wh-从句的语法功能除了和that-从句一样外,还可充当介词宾语、宾语补语和间接宾语等。例如:主语: How the book will sell depends on its author.书销售如何取决于作者本人。直接宾语:In ones own home one can do what one likes.在自己家里可以随心所欲。间接宾语

8、:The club will give whoever wins a prize.获胜者俱乐部将颁奖。表语: My question is who will take over president of the Foundation.我的问题是谁将接任该基金会主席职位。宾语补足语:She will name him whatever she wants to. 她高兴给他起什么名字就取什么名字。同位语:I have no idea when he will return. 我不知道他什么时候回来。形容词宾语:Im not sure why she refused their invitatio

9、n. 我尚不能肯定她为什么拒绝他们的邀请。介词宾语:That depends on where we shall go. 那取决于我们去哪儿。2)Wh-从句作主语也常用先行词it做形式主语,而将wh-从句置于句末。例如:It is not yet decided who will do that job. 还没决定谁做这项工作。It remains unknown when they are going to get married. 他们何时结婚依然不明。17.4 if, whether引导的名词从句 1)yes-no型疑问从句从属连词if, whether引导的名词从句是由一般疑问句或选择

10、疑问转化而来的,因此也分别被称为yes-no型疑问句从句和选择型疑问从句,其功能和wh-从句的功能相同。例如: 主语:Whether the plan is feasible remains to be proved. 这一计划是否可行还有等证实。 宾语:Let us know whether / if you can finish the article before Friday. 请让我们知道你是否能在星期五以前把文章写完。 表语:The point is whether we should lend him the money. 问题在于我们是否应该借钱给他。 同位语:They are

11、 investigating the question whether the man is trustworthy.他们调查他是否值得信赖。 形容词宾语: Shes doubtful whether we shall be able to come. 她怀疑我们是否能够前来。 介词宾语: I worry about whether he can pass through the crisis of his illness. 我担心他是否能度过疾病的危险期。2)选择性疑问从句 选择性疑问从句由关联词if/whetheror或whetheor not构成。例如: Please tell me w

12、hether / if they are Swedish or Danish. 请告诉我他们是瑞典人还是丹麦人。 I dont care whether you like the plan or not. 我不在乎你是否喜欢该计划。 17.5 否定转移 1)将think, believe, suppose, expect, fancy, imagine等动词后面宾语从句的否定词转移到主句中,即主句的谓语动词用否定式,而从句的谓语动词用肯定式。例如: I dont think I know you.我想我并不认识你。 I don t believe he will come.我相信他不回来。注意

13、:若谓语动词为hope,宾语从句中的否定词不能转移。例如: I hope you werent ill. 我想你没有生病吧。2)将seem, appear 等后的从句的否定转移到前面。例如: It doesnt seem that they know where to go. 看来他们不知道往哪去。 It doesnt appear that well have a sunny day tomorrow. 看来我们明天不会碰上好天气。3)有时将动名词,介词短语或整个从句的否定转变为对谓语动词的否定。例如: I dont remember having ever seen such a man.

14、我记得从未见过这样一个人。(not否定动名词短语 having) Its not a place where anyone would expect to see strange characters on the street. 在这里,人们不会想到在街上会碰上陌生的人。(anyone 作主语,从句中的谓语动词不能用否定形式。)4)有时状语或状语从句中否定可以转移到谓语动词前。例如: The ant is not gathering this for itself alone.(否定状语)蚂蚁不只是为自己采食。 He was not ready to believe something ju

15、st because Aristotle said so. (否定because状语) 他并不因亚里斯多德说过如何如何,就轻信此事。 She had not been married many weeks when that mans younger brother saw her and was struckby her beauty.(否定状语many weeks)她结婚还不到几个月,这个人的弟弟就看见她了,并对她的美貌着了迷。18. 定语从句 定语从句在句中做定语,修饰一个名词或代词,被修饰的名词词组或代词即先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出。关系代

16、词有:who, whom, whose, that, which等。关系副词有:when, where, why等。18.1 关系代词引导的定语从句 关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时,从句谓语动词的人称和数要和先行词保持一致。1)who, whom, that 这些词代替的先行词是人的名词或代词,在从句中作主语和宾语。例如: Is he the man who/that wants to see you? 他就是你想见的人吗?(who/that在从句中作主语) He is the man whom/ that I sa

17、w yesterday. 他就是我昨天见的那个人。(whom/that在从句中作宾语)2) whose 用来指人或物,(只用作定语, 若指物,它还可以同of which互换)。例如: They rushed over to help the man whose car had broken down.那人车坏了,大家都跑过去帮忙。 Please pass me the book whose (of which) cover is green.请递给我那本绿皮的书。3)which, that所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等。例如:A prosperity which /

18、 that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。(which / that在句中作宾语)The package (which / that)you are carrying is about to come unwrapped. 你拿的包快散了。(which / that在句中作宾语)18.2 关系副词引导的定语从句 关系副词可代替的先行词是时间、地点或理由的名词,在从句中作状语。1)关系副词when, where, why的含义相当于介词+ which结构,因此常常和介词+ which结构交替

19、使用。例如: There are occasions when (on which) one must yield.任何人都有不得不屈服的时候。 Beijing is the place where(in which) I was born.北京是我的出生地。 Is this the reason why (for which) he refused our offer?这就是他拒绝我们帮助他的理由吗?2)that代替关系副词,可以用于表示时间、地点、方式、理由的名词后取代when, where, why和介+which引导的定语从句,在口语中that常被省略。例如: His father d

20、ied the year (that / when / in which) he was born.他父亲在他出生那年逝世了。 He is unlikely to find the place (that / where / in which) he lived forty years ago. 他不大可能找到他四十年前居住过的地方。 18.3 判断关系代词与关系副词 方法一: 用关系代词,还是关系副词完全取决于从句中的谓语动词。及物动词后面无宾语,就必须要求用关系代词;而不及物动词则要求用关系副词。例如: This is the mountain village where I stayed

21、 last year. 这是我去年呆过的山村。 Ill never forget the days when I worked together with you.我永远不会忘记与你共事的日子。 判断改错: (错) This is the mountain village where I visited last year. (错) I will never forget the days when I spent in the countryside. (对) This is the mountain village (which) I visited last year. (对) Ill

22、never forget the days (which) I spent in the countryside.习惯上总把表地点或时间的名词与关系副词 where, when联系在一起。此两题错在关系词的误用上。 方法二: 准确判断先行词在定语从句中的成分(主、谓、宾、定、状),也能正确选择出关系代词/关系副词。例1. Is this museum _ you visited a few days age? A. whereB. that C. on which D. the one例2. Is this the museum _ the exhibition was held. A. wh

23、ereB. that C. on whichD. the one答案:例1 D,例2 A例1变为肯定句: This museum is _ you visited a few days ago.例2变为肯定句: This is the museum _ the exhibition was held. 在句1中,所缺部分为宾语,而where, that, on which都不能起到宾语的作用,只有the one既做了主句的表语,又可做从句的宾语,可以省略关系代词,所以应选D。 而句2中, 主、谓、宾俱全,从句部分为句子的状语表地点,既可用副词where,又因 in the museum词组,可

24、用介词in + which 引导地点状语。而此题中,介词on 用的不对,所以选A。关系词的选择依据在从句中所做的成分,先行词在从句中做主、定、宾语时,选择关系代词(who, whom, that, which, whose); 先行词在从句中做状语时,应选择关系副词 ( where 地点状语,when 时间状语,why 原因状语) 。 18.4 限制性和非限制性定语从句 1) 定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分,去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明,去掉了也不会影响主句的意思,它与主句之间通常用逗号分开。例如:This is the h

25、ouse which we bought last month. 这是我们上个月买的那幢房子。(限制性)The house, which we bought last month, is very nice.这幢房子很漂亮,是我们上个月买的。(非限制性)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. 查理史密斯去年退休了,他曾经是我的老师。My house, which I bought last year, has got a

26、lovely garden.我去年买的的那幢房子带着个漂亮的花园。This novel, which I have read three times, is very touching. 这本小说很动人,我已经读了三遍。3) 非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数。例如:He seems not to have grasped what I meant, which greatly upsets me. 他似乎没抓住我的意思,这使我心烦。Liquid water changes to vapor, which is called evapo

27、ration. 液态水变为蒸汽,这就叫做蒸发。说明:关系代词that和关系副词why不能引导非限制性定语从句。 18.5 介词+关系词 1)介词后面的关系词不能省略。2)that前不能有介词。3)某些在从句中充当时间,地点或原因状语的介词+关系词结构可以同关系副词when 和where 互换。例如: This is the house in which I lived two years ago. 这是我两年前住过的房子。 This is the house where I lived two years ago. Do you remember the day on which you jo

28、ined our club? 还记得你加入我们俱乐部的那一天吗? Do you remember the day when you joined our club? 18.6 as, which 非限定性定语从句 由as, which 引导的非限定性定语从句,as和which可代整个主句,相当于and this或and that。As一般放在句首,which在句中。例如:As we know, smoking is harmful to ones health. 如我们所知,吸烟有害健康。The sun heats the earth, which is very important to u

29、s. 太阳使地球暖起来,这对我们人类很重要。典型例题1)Alice received an invitation from her boss, _came as a surprise.A. it B. that C. whichD. he 答案C. 此为非限定性从句,不能用 that修饰,而用which.,it 和he 都使后句成为句子,两个独立的句子不能单以逗号连接。况且选he句意不通。2)The weather turned out to be very good, _ was more than we could expect. A. whatB. whichC. thatD. it 答

30、案B。which可代替句子,用于非限定性定语从句,而what不可。That 不能用于非限定性定语从句,it不为连词,使由逗号连接的两个句子并在一起在英语语法上行不通。3)It rained hard yesterday, _ prevented me from going to the park.A. thatB. whichC. as D. it 答案B. as 和which在引导非限制性定语从句时,这两个关系代词都指主句所表达的整个意思,且在定语从句中都可以作主语和宾语。但不同之处主要有两点:(1)as 引导的定语从句可置于句首,而which不可。(2) as 代表前面的整个主句并在从句中

31、作主语时,从句中的谓语必须是系动词;若为行为动词,则从句中的关系代词只能用which.。在本题中,prevent由于是行为动词,所以正确选项应为B。as 的用法例1. the sameas;suchas 中的as 是一种固定结构, 和一样。例如: I have got into the same trouble as he (has). 我碰到了跟他一样的麻烦。例2. as可引导非限制性从句,常带有正如。例如: As we know, smoking is harmful to ones health. 如我们所知,吸烟有害健康。 As is known, smoking is harmful

32、 to ones health. As是关系代词。例1中的as作know的宾语;例2中,它充当从句的主语,谓语动词know要用被动式。 18.7 先行词和关系词二合一 1) Whoever spits in public will be punished here. (Whoever 可以用 anyone who 代替)2) The parents will use what they have to send their son to technical school.(what 可以用all that代替) 18.8 what/whatever; that/what; who/whoeve

33、r 1)what = the thing which;whatever = anything。例如:What you want has been sent here. 你要的动词都送来了。Whatever you want makes no difference to me. 不管你要什么,跟我没什么关系。2) who= the person that whoever= anyone who。例如: (错)Who breaks the law will be punished. (错)Whoever robbed the bank is not clear. (对)Whoever breaks

34、 the law will be punished. 王子犯法,与庶民同罪。 (对)Who robbed the bank is not clear. 谁抢了银行还不清楚。3) that 和 what 当that引导定语从句时,通常用作关系代词,而引导名词性从句时,是个不充当任何成分的连接词。宾语从句和表语从句中的that常可省略。What只能引导名词性从句,用作连接代词,作从句的具体成分,且不能省略。例如:I think(that)you will like the stamps. 我想你会喜欢这些邮票的。What we need is more practice. 我们需要的是更多的实践。

35、 关系代词that 的用法 1)不用that的情况 a) 引导非限定性定语从句时。例如: (错)The tree, that is four hundred years old, is very famous here. b) 介词后不能用。例如: We depend on the land from which we get our food. 我们依赖土地获得食物。 We depend on the land that/which we get our food from.2) 只能用that作为定语从句的关系代词的情况 a)在there be 句型中,只用that,不用which。 b)

36、在不定代词,如:anything, nothing, the one, all, much, few, any, little等作先行词时,只用that,不用which。 c)先行词有the only, the very修饰时,只用that。 d)先行词为序数词、数词、形容词最高级时,只用that。. e)先行词既有人,又有物时。例如: All that is needed is a supply of oil. 所需的只是供油问题。 Finally, the thief handed everything that he had stolen to the police. 那贼最终把偷的全部

37、东西交给了警察。19. 状语从句 19.1 地点状语从句地点状语从句通常由where, wherever 引导。例如:Where I live there are plenty of trees. 我住的地方树很多。Wherever I am I will be thinking of you. 不管我在哪里我都会想到你。 19.2 方式状语从句 方式状语从句通常由as, (just) asso, as if, as though引导。1)as, (just) asso引导的方式状语从句通常位于主句后,但在(just) asso结构中位于句首,这时as从句带有比喻的含义,意思是正如,就像,多用

38、于正式文体。例如: Always do to the others as you would be done by. 你希望人家怎样待你,你就要怎样待人。As water is to fish, so air is to man. 我们离不开空气,犹如鱼儿离不开水。Just as we sweep our rooms, so we should sweep backward ideas from our minds. 正如打扫房屋一样,我们也要扫除我们头脑中落后的东西。2)as if, as though 两者的意义和用法相同,引出的状语从句谓语多用虚拟语气,表示与事实相反,有时也用陈述语气,

39、表示所说情况是事实或实现的可能性较大。汉译常作仿佛似的,好像似的。例如: They completely ignore these facts as if (as though) they never existed. 他们完全忽略了这些事实,就仿佛它不存在似的。(与事实相反,谓语用虚拟语气。)He looks as if (as though) he had been hit by lighting. 他那样子就像被雷击了似的。(与事实相反,谓语用虚拟语气。) It looks as if the weather may pick up very soon. 看来天气很快就会好起来。(实现的

40、可能性较大,谓语用陈述语气。) 说明:as if / as though也可以引导一个分词短语、不定式短语或无动词短语。例如: He stared at me as if seeing me for first time. 他目不转睛地看着我,就像第一次看见我似的。He cleared his throat as if to say something. 他清了清嗓子,像要说什么似的。The waves dashed on the rocks as if in anger. 波涛冲击着岩石,好像很愤怒。19.3 原因状语从句 比较because, since, as和for: 1)becaus

41、e语势最强,用来说明人所不知的原因,回答why提出的问题。当原因是显而易见的或已为人们所知,就用as或 since。例如: I didnt go, because I was afraid. 我不去是因为我怕。 Since /As the weather is so bad, we have to delay our journey. 天气那么糟,旅行推迟了。2)由because引导的从句如果放在句末,且前面有逗号,则可以用for来代替。但如果不是说明直接原因,而是多种情况加以推断,就只能用for。例如: He is absent today, because / for he is ill.

42、 他今天缺席,因为他病了。 He must be ill, for he is absent today. 他一定病了,所以今天缺席。19.4 目的状语从句 表示目的状语的从句可以由that, so that, in order that, lest, for fear that, in case等词引导。例如: You must speak louder so that /in order that you can be heard by all. 你必须大点声,别人就能听见了。 He wrote the name down for fear that(lest) he should for

43、get it. 他写下了这个名字以免以后忘记。 Better take more clothes in case the weather is cold. 最好多穿点衣服,以防天发冷。 19.5 结果状语从句 结果状语从句常由sothat 或 suchthat引导。sothat与suchthat之间可以转换。例如: The boy is so young that he cant go to school. 这男孩年龄太小,不能上学。 He is such a young boy that he cant go to school19.6 条件状语从句 连接词主要有 if, unless, a

44、s/so long as, on condition that 等。if 引导的条件句有真实条件句和非真实条件句两种。非真实条件句已在虚拟语气中阐述。 unless = if not. 例如: Lets go out for a walk unless you are too tired. 如果不太累,我们去散散步。 If you are not too tied, lets go out for a walk.典型例题You will be late _ you leave immediately. A. unless B. until C. ifD. or 答案A。句意:除非你立即走,否则

45、你就回迟到的。可转化为 If you dong leave immediately, you will be late。B、D句意不对,or表转折,句子如为 You leave immediately or you will be late. 19.7 让步状语从句 1)though, although引导的让步状语从句,后面的从句不能有but,但是 though 和yet可连用。例如:Although its raining, they are still working in the field.虽然在下雨,但他们仍在地里干活。 He is very old, but he still works very hard. 虽然他很老了,但仍然努力地工作。Though the sore be healed, yet a scar may remain. 伤口虽愈合,但伤疤留下了。(谚语)2) as, though 引导的让步从句必须表语或状语提前(形容词、副词、分词、实义动词提前)。例如:Child as /though he was,

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