【知识讲解】2016考研英语语法精析:动词的时态和语态 知识讲解:2016考研英语语法指导——考研英语定语从句详解

作者&投稿:枝耿 (若有异议请与网页底部的电邮联系)
  【考点概述】
  动词的时态和语态是构成谓语的基础,在考试中对于文章的理解作用巨大,甚至有些考点就直击动词时态与语态。掌握的重点是动词的各种时态与语态的基本构成和意义,能够快速识别句中的时态和语态,并结合语境进行准确理解。
  【要点精析】
  一、时态和语态的基本形式
  动词在句子中最基本的两种变化形式即为时态的变化和被动语态。以动词do为例,其基本的时态的变化见下表:
时态 一般 进行 完成 完成进行
现在 does; do; am; is; are am/is/are +doing has/have + done has/have + been doing
过去 did; was; were was/were +doing had done had been doing
将来 shall/will +do shall/will be +doing shall/will have + done shall/will + have been doing
过去
  将来
should/would/+do would/should +be doing should/would + have done would/should + have been doing

  (注:两种特殊时态形式:used to do为一般过去时;be to do表示将来时)
  英语中被动语态的基本构成为“be+done”,在使用时,be可有自己的时态变化,只要结合上表进行相应的时态变化即可,如下表:
时态 一般 进行 完成 完成进行
现在 am/is/are +done am/is/are being +done has/have been +done has/have been being +done
过去 was/were +done was/were being +done had been +done had been being +done
将来 shall/will be +done shall/will be being +done shall/will have been +done shall/will have been being +done
过去将来 should/would be +done would/should be being+ done should/would have been + done would/should have been being +done
  (注:只有及物动词才可以有被动语态)
  二、时态和语态的意义和运用
  汉语中动作的发生不会因时间的改变而采用动词的不同形式,时间的不同只是借助于“昨天”、“去 年”等明显的时间名词或“了”、“过”、“要”等语气语,听众需要结合上下文的理解来判断时间。而英语动词有时态变化,不同的时间或动作发生的不同的状态 都可以通过改变时态来完成。所以在理解英文表达时,要加入对时态的理解。
  例1:I have finished my task。
  我已经完成了我的工作。(强调工作已完成的状态)
  例2:We used to exercise regularly。
  我们过去经常锻炼。(暗示现在不再经常锻炼了)

  英语句子中常见被动语态,通常不需要动作的发出者或表示委婉、客观的建议时,常用被动语态。比如在考研[微博]英语写作中通常需要就某个问题或不良现象提出建议措施,若不需要突出动作的发出者,就可以用被动语态代替主动语态。
  例:It is suggested that proper actions should be taken to response to such a problem。
  建议采取合适的措施以解决该问题。
  【真题体验】
  Japan was, and remains, the global leader in automotive-assembly productivity. [2009, text 3]
  分析:
  A、分析时态。本句中的谓语动词用了was和remains。was是过去时,译为“曾经是”,而remains是三单形式,表示“现在保持着”。通过不同动词形式的运用,表示了不同的时间。
  B、译文:在汽车装配生产力方面,日本曾经是,现在仍然是世界经济的领头羊。
  动词的时态和语态这部分就给大家分析这些,下一部分万学海文老师会给大家解析分词,感兴趣的要跟住啊!

万学【知识讲解】2016考研英语语法精析:分词~

 【考点概述】
  分词是非谓语动词的一种形式,在考研英语中是重点语法知识。分词学习的重点是分词的意义、语法功能;难点是分词的复合结构,也叫独立主格结构。
  分词的理解难点是和句子主干之间的逻辑关系,这种隐性的逻辑关系常成为阅读的考点。在写作中,分词的使用也可避免出现过多动词和从句,使文章更简洁、地道,提高分数档次。例如,写作首段常用“with+独立主格结构”来描述图画内容。
  【要点精析】
  一、分词的构成和意义
  分词是动词的一种非限定形式,分为现在分词和过去分词。现在分词由动词原形加ing构成。过去分词由动词原形加ed构成。
  从时态意义上理解,现在分词表示进行的状态,过去分词表示完成状态;从语态意义上理解,现在分词表示主动语态,过去分词表示被动语态。
  二、分词的语法功能
  分词主要起形容词和副词作用,在句中充当定语、表语、宾语(或主语)的补足语和状语。在考研英语中,分词的考查及运用较多的是分词做定语或状语。所以本文将重点讲解分词做定语和状语。
  (一)分词作定语
  分词作定语相当于形容词,可修饰名词。单个分词作定语通常置于被修饰词的前面;分词短语作定语则应置于被修饰词的后面,作用相当于一个省略的定语从句。
  例1:We are often attracted by enchanting music.
  我们经常被迷人的音乐所吸引。
  例2:We must adapt our thinking to the changed conditions.
  我们必须使我们的思想适应改变了的情况。
  (二)分词作状语
  分词作状语可以表示时间、原因、条件、结果、让步和方式等情况,一般放在句首或句尾,由逗号分开。为了使意义明确,分词之前可以有连词。当分词与其逻辑主语之间是主动关系时,选用现在分词;当分词与其逻辑主语之间是被动关系时,选用过去分词。在正常情况下,分词的逻辑主语就是主句的主语。
  例1:When talking to you, your could-be employer is deciding whether your education, your experience, and other qualifications will pay him to employ you.(分词做时间状语)
  在和你谈话的过程中,你的未来雇主在考虑你的学历、经验以及其它资质是否值得他雇佣你。
  例2:Working hard, you will succeed.(分词做条件状语)
  (=If you work hard you will succeed.)
  如果努力工作,你将会成功。
  例3:The fans waited for hours, hoping to see the movie star.(分词做伴随状语)
  追星族们等了几个小时,希望能见到那位电影明星。
  例4:Exhausted by the climb, he continued his journey.(分词做让步状语)
  (=Although he was exhausted by the climb, he continued his journey.)
  他虽然爬得很累,但他仍继续前进。
  三、分词的复合结构
  在有些情况下,分词的逻辑主语不是句子的主语,为了明确施动者,使意义完整,必须在分词前加上逻辑主语,从而构成分词的复合结构,也叫独立主格结构。分词的复合结构和
  作状语的分词用法相同,只是加上了逻辑主语。
  (一)逻辑主语+分词
  例1:Night falling, we hurried home.
  夜幕降临,我们匆忙往家里赶。
  例2:Jim climbed slowly up the creaking steps, his courage slipping away at every step.
  吉姆缓慢地爬上咯吱作响的台阶,每上一个台阶他的胆量就减少一些。
  (二)with+逻辑主语+分词
  分词的复合结构之前加上介词with,通常表示伴随状态。
  例:With the guide leading the way, we set off on foot into the dark night.
  向导引路,我们步行出发,走进黑夜。
  【真题体验】
  But the human mind can glimpse a rapidly changing scene and immediately disregard the 98 percent that is irrelevant, instantaneously focusing on the monkey at the side of a winding forest road or the single suspicious face in a big crowd. [2002, text 2]
  分析:
  A.句子结构拆分:But the human mind can glimpse a rapidly changing scene and immediately disregard the 98 percent that is irrelevant, //instantaneously focusing on the monkey at the side of a winding forest road or the single suspicious face in a big crowd.
  B.分析句子结构:该句的主干是the human mind can glimpse a scene and disregard the 98 percent,其中现在分词changing作定语修饰scene。that is irrelevant是由that引导的定语从句修饰限定先行词the 98 percent。现在分词短语focusing on the monkey at the side…作状语。
  C.词汇点拨:glimpse意思是“瞥见”;scene意思是“场面,情景”;disregard意思是“忽视”;instantaneously意思是“即刻”;suspicious意思是“可疑的”。
  D.参考译文:但是人类的头脑可以只迅速地瞟一眼一个快速改变的场面,然后立即放弃98%不相关部分,马上聚焦于一条崎岖森林道路边的一只猴子,或者在茫茫人海中的一张可疑的脸。

定语从句
一、【知识网络】
用来说明主句中某一名词或代词(有时也可说明整个主句或主句中一部分)而起定语作用的句子叫作定语从句。
一、关系代词引导的定语从句
1. 关系代词用来指代先行词是人或物的名词或代词
句子成分  用于限制从句或非限制性从句   只用于限制性从句
代替人 代替物      代替人或物
主语  Who        which        that
主语  Whom       which        that
宾语  Whose(=of whom) whose(=of which)
This is the detective who came from London. The book which I am reading is written by Tomas Hardy.
The desk whose leg is broken is very old. This is the room that Shakespeare was born in.
2.关系代词的用法
(1)如果先行词是all,much,anything,something,nothing,everything,little,none等不定代词,关系代词一般只用that,不用which.例如:
All the people that are present burst into tears.
(2)如果先等词被形容词最高级以及first,last,any,only,few,mush,no,some,very等词修饰,关系代词常用that,不用which,who,或whom.例如:
(3)非限制性定语从句中,不能用关系代词that,作宾语用的关系代词也不能省略。例如:
There are about seven million people taking part in the election,most of whom、are well educated.
(4)which还有一种特殊用法,它可以引导从句修饰前面的整个主句,代替主句所表示的整体概念或部分概念。在这种从句中,which可以作主语,也可以作宾语或表语,多数情况下意思是与and this 相似,并可以指人。例如:
He succeeded in the competition,which made his parents very happy.
(5)that可指人或物,在从句中作表语,(指人作主语时多用who)仅用于限制性定语从句中。
(6)which可作表语,既可指人,以可指物。指人时,一般指从事某种职业或是有种特征。品性或才能的人。Which引导的定语从句可以限制性的,也可以是非限制性的。
(7)如果作先作词的集体名词着眼于集体的整体,关系代词用which;若是指集体中的各个成员,则用who.
(8)先行词有两个,一个指人,一个指物,关系代词应该用that.例如:
The boy and the dog that are in the picture are very lovely.
(9)如果先行词是anyone,anybody,everyone,everybody,someone,somebody,关系代词应该用 who 或whom,不用which.例如:
Is there anyone here who will go with you?
3.“介词+关系代词”是一个普遍使用的结构
(1)“介词+关系代词”可以引导限制性定语从句,也可以引导非限制性定语从句。“介词+关系代词”结构中的介词可以是
in,on,about,from,for,with,to at,of,without 等,关系代词只可用whom或
which,不可用that .
(2)from where为“介词+关系副词”结构,但也可以引导定语从句。例如:
We stood at the top of the hill,from where we can see the town…
(3)像listen to,look at,depend on,pay attention to,take care
of等固定短语动词,在定语从句中一般不宜将介词与动词分开。例如:
This is the boy whom she has taken care of.
二、关系副词引导的定语从句
1.关系副词也可以引导定语从句
关系副词在从句中分别表示时间。地点或原因。关系副词when在从句中充当时间状语,where 充当地点状语,why充当原因状语。
2. that可引导定语从句表示时间。地点或原因
That有时可以代替关系副词 when,where 或者why引导定语从句表示时间。地点或原因,在that引导的这种定语从句中,that也可以省去。
三、限制性定语从句与非限制性定语从句
1.二者差异比较
限制定语从句紧跟先行词,同先行词这间一般不加逗号,仅修饰先行词,可以由关系代词。关系副词或that来引导。非限制性定语从句仅作补充或说明,用逗号与主句隔开,既可修饰先行词,又可修饰整个主句,不可用that引导。
2.关系代词和关系副词的选择依据
(1) 弄清代替先行词的关系词在从句中作什么成分,作状语的应选用关系副词,作主语。宾语或表语的可选用关系代词。
3.先行词与定语从句隔离
定语从句一般紧跟在先行词之后,但定语从句与先行词之间有时也会插入别的成分,构成先行词与定语从句的隔离。例如:
1)This is the article written by him that Is poke to you about……
2)He was the only person in this country who was invited
四、as在定语从句中的用法
1. 引导限制性定语从句和非限制性定语从句
(1)as多与such 或the same连用,可以代替先行词是人或物的名词。
(2)as 也可单独使用,引导非限制性定语从句,作用相当于which.例如:
The elephant's nose is like a snake,as anybody can see.
(3)the same--- that与 the same ---as在意思上是不同的。
2.as引导的非限制性定语从句的位置
as引导的非限制性定语从句位置较灵活,可以位于主句前面。中间或后面,一般用逗号与主句隔开,但which所引导的非限制性定语从句只能放在主句之后。例如:
(1)As is expected,the England team won the football match.
(2)The earth runs around the sun,as is known by everyone.
3.as, which的比较
1).在非限制性定语从句中,均可替代整个主句或句中某个部分,在从句中作主语,宾语,表语.如从句在主句之后,两者皆可用
They failed in the exam, as/which is natural.
She seems a scientist, as/which in fact she is.
Grammar is not a set of dead rules, which/as I have said before.
2).如从句在主句之前,用as
As we all know, his parents were killed in this war.
As is known to all, the earth travels around the sun.
3).如关系代词代表主句全句意思,有“正如...”“就象...”之意时,用as
We won the match, as we had expected. He agreed to the plan, as was to be expected.
4). 当先行项被the same, such, so修饰时,用as
This is the same book as you bought yesterday.同类书 (比较:This is the
same book that you bought yesterday.同一本书)
Don’t believe in such men as praise you to your face.
I never give my students so difficult a question as no one can work out.
5). 当从句内容对主句内容起消极作用,则用which
The young man cheated his friend out of much money, which was disgraced.
6). as 也可以用来引导非限制性定语从句, 用来指待一件事,这时它的位置可以放在句首、句中和句尾。
He is an American, as/which we know from his accent. As we know from his accent, he is an American.
He, as we know from his accent, is an American. As has been said above, grammar is not a set of dead rules.
Grammar, as has been said above, is not a set of rules.
Grammar is not a set of dead rules, as/which has been said above.
正如: As everyone knows, as you may still remember, as you said, as I
can see, as has been mentioned above, as you may have heard, and etc.
【主要考点】
考点一:that 与which 的区别
只用that的情况:
1. 先行词为all, little, much, everything, nothing, something, anything等不定代词
2.先行词被all, little, much, every, no, 等修饰时。
3.先行词被序数词或最高级修饰先行词前有序数词(the first),形容词最高级(the best), the
Last,the very, the only 等时。
4. 先行词为人和物的组合
5.若主句中有疑问代词 who 或者 which,为了避免重复, 关系代词不要再用 who, which,而用 that。
只用which的情况:
1,逗号后面 2,介词后面
考点二:介词+关系代词
提醒: 介词﹢关系代词引导的定语从句, 关键是判断介词的选择.
方法一:根据从句中动词与先行词习惯搭配 方法二:根据从句中动词与先行词的逻辑关系
注意:关系代词在定语从句中作介词宾语时,从句常常由“介词+关系代词”引出。此时关
系代词只能用which 或 whom; 不可用that 或who 代替,但遇固定词组时,介词一般紧跟词组主体,不作前置 ,Is this the book (which/that) you are looking for ?
考点三 Whose 用法及转换形式
1. whose引导定语从句,其后应紧跟名词,构成名词短语。
That’s the child whose father is a teacher
2.whose引导定语从句,其先行词不仅可以指人,还可以指物。
Do you know the woman whose husband is a doctor? This is a book whose cover is green.
3. whose的先行词指物时, 可用of which代替, 但词序不同,
即whose+名词=the +n + of which
=of which + the + n.
He lives in the room whose window faces south.
= He lives in the room, the window of which faces south.
= He lives in the room, of which the window faces south
考点四:as与which引导的定语从句
两者均可引导非限制性定语从句,有时可以互换,但下列情况多用as。
1. 当与such或as 连用时,一般用as。
2. as 引导的从句可以放在句首, as 本身有“正如…..正象…”之意,与之连用的词有 know, see, expect, announce, point out 等。e.g. As we all know, the earth is round.
考点五: that 与who的区别
在anyone, those, he/she/I / they作先行词时, 用”who” 代替 “that”.
Anyone _____breaks the law is punished. Those _____ break the law are punished.
He _____ breaks the law is punished.
考点六:如何判断用关系副词还是关系代词?
I will never forget the day when I first went to school. I will never forget the day that we spent in Beijing.
The house which we visited is being repaired now. The house where Luxun once lived is being repaired now.
考点七:定语从句中主谓一致问题
定语从句中的动词在人称和数方面应该与它的先行词保持一致。
1.I am not one who __is____afraid of difficulty. 2.Don‘t choose me, who ____am___not fit for this job.
考点八:以抽象地点(mark, situation, case, point, scene, business,occasion等)作先行词的定语从句中关系词一般用where,occasion作先行词时也可以用when.

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