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2011年大學英語六級動詞語法精要

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2011年大學英語六級動詞語法精要
  動詞(時態,語態,用法,省略,一致性等)
  時態
  1)現在完成進行時態 (have/has been + -ing 分詞構成): 動作或狀態從過去某時開始,繼續到現在,可能繼續下去,也可能剛剛結束.
  I’ve been writing letters for an hour.
  I’ve been sitting in the garden.
  2)過去完成進行時(由had been + ing分詞構成): 過去某個時刻以前一直在進行的動作
  I’d been working for some time when he called.
  We had been waiting for her for two hours by the time she came.
  3)將來完成進行時: 將來某個時刻以前一直在進行的動作.
  By next summer, he will have been working here for twenty years.
  In another month’s time she’ll have been studying here for three years.
  4)將來完成時(由shall/will have + 過去分詞構成): 將來某時會業已發生的事.
  I shall have finished this one before lunch.
  They’ll have hit the year’s target by the end of October.
  語態
  可以有兩種被動結構的類型,例如:
  He was said to be jealous of her success.
  It was said that he was jealous of her success.
  能同時適用于上述兩個句型的主動詞通常都是表示“估計”,“相信”等意義的動詞,常見的有assume,believe,expect,fear,feel,know,presume,report,say,suppose,understand等.
  It is supposed that the ship has been sunk.
  The ship is supposed to have been sunk.
  擔當be supposed to 與不定式的一般形式搭配時往往表示不同的意義.例如:
  Why are you driving so fast in this area? You are supposed to know the speed to know the speed limit. (你應該曉得速度限制)
  雙賓語及賓補結構的被動語態
  雙賓語結構的被動語態: 雙賓語結構變為被動語態時,可以把主動結構中的一個賓語變為主語,另一個賓語仍然保留在謂語后面,但多數是把間接賓語變為主語.
  He was asked a number of questions at the press conference.
  Two days were allowed them for making the necessary preparations.
  賓補結構的被動語態
  She was called Big Sister by everybody.
  Then he was made a squad leader.
  He was considered quite qualified for the job.
  The room was always kept clean and tidy.
  短語動詞
  Vi + adv
  The plane took off two hours late.
  Vi + prep
  They looked round the Cathedral.
  Vi + prep (有被動語態)
  She’s looking after her sister’s children.
  The children were always well looked after.
  Vi + adv + prep
  I began to look forward to their visits.
  Vt + O + adv
  Some women choose to stay at home and bring up their children.
  The children were brought up by their mother.
  They took him on.
  Vt + adv + O (無被動語態)
  I am trying to give up smoking.
  Vt + O + prep
  We talked Donald into agreement.
  省略
  在以as, than, when, if, unless等引導的從句中的省略: 在有些狀語從句中,如果謂語包含有動詞be,主語又和主句的主語一致a),或者主語是it b),就常常可以把從句中的主語和謂語的一部分(特別是動詞be)省略掉.
  Look out for cars when crossing the street.
  When taken according to the directions, the drug has no side effects.
  While there he joined in voluntary labour on a project.
  Although not yet six months old, she was able to walk without support.
  If not well managed, irrigation can be harmful.
  Though reduced in numbers, they gained in fighting capacity.
  This viewpoint, however understandable, is wrong.
  Enemies, once discovered, were tightly encircled and completely wiped out.
  She hurriedly left the room as though/if angry.
  She worked extremely hard though still rather poor in health.
  Fill in the application as instructed.
  Whenever known, such facts should be reported.
  The documents will be returned as soon as signed.
  He said that no acrobat could ever perform those daring feats unless trained very young.
  Once having made a promise, you should keep it.
  If necessary I’ll have the letter duplicated.
  Fill in the blanks with articles where(ver) necessary.
  If possible, I should like to have two copies of it.
  As scheduled, they met on January 20 at the Chinese Embassy.
  在以than a) 或 as b) 引起的從句中,常會有一些成分省略.
  He told me not to use more material than (it is) necessary.
  We should think more of the collective than of ourselves.
  They worked with as much enthusiasm as young people (did).
  He is now a vice-manager, but still often works in the kitchen as before.
  Their training is free, as is all education.
  We will, as always, stand on your side.

  相關推薦:四六級考試七大核心語法逐項解析
       2011年四六級備考之重要的不定式語法

  錯誤的省略
  His life is as fully committed to books as anyone I know.
  While standing there in her nightgown, two bullets struck the wall beside her.
  一致
  如果主語是單數,盡管后面跟有with, together with, as well as, as much as, no less than, more than等引導的短語,謂語動詞仍舊用單數形式.
  Terry, along with her friend, goes skating every Saturday.
  An expert, together with some assistants, was sent to help in this work.
  The captain, as well as the coaches, was disappointed in the team.
  代詞作主語時的一致
  each, either, neither和由some, any, no, every構成的復合代詞,都作單數看待.
  Each of us has something to say.
  Is everybody ready?
  Somebody is using the phone.
  Neither of us has gone through regular training.
  Has either of them told you?
  some, few, both, many 等作復數
  some 可后接復數,也可接單數,表示某一.
  none作復數看待時較多,但也有時作單數看待,主要看說話人腦中聯系想到的是復數還是單數概念, 但none 在代表不可數的東西時總是看作單數:
  None of the books are easy enough for us
  None of us seem to have thought of it.
  None (= not a single one) of us has got a camera.
  None (= nobody) has felt it more keenly than she did.
  None of this worries me.
  all 和most 可后接復數,也可接不可數名詞 (all of the…, most of the …), 動詞用單數.
  由and 或 both… and 連接名詞詞組時, 后用復數; 由not only…but (also), either…or, neither…nor或 or 連接的并列主語, 謂語通常和最鄰近的主語一致.
  Not only the switches but also the old writing has been changed.
  My sister or my brother is likely to be at home.
  Either you or Mr Yang is to do the work.
  Neither my wife nor I myself am able to persuade my daughter to change her mind.
  如果一個句子是由there 或here引導, 而主語又不止一個, 謂語通常也和最鄰近的那個主語一致.
  There was carved in the board a dragon and a phoenix.
  Here is a pen, a few envelopes and some paper for you.
  people, police, cattle, poultry (家禽), militia (民兵) 等通常都用作復數.
  Cattle are grazing on the pasture.
  The police are looking for him.
  有些集體名詞有時作單數看待, 有時作復數看待, 主要根據意思來決定.
  His family isn’t very large.
  His family are all music lovers.
  The committee meets twice a month.
  The committee are divided in opinion.
  The audience was enormous.
  The audience were greatly moved at the words.
  有些名詞單復數同形, 可根據意思決定謂語動詞的數:
  This new series is beginning next month.
  These new series are beginning next month.
  This species is now extinct.
  These species are now extinct.
  表示時間, 重量, 長度, 價值等的名詞, 盡管仍是復數形式, 如果作整體看待, 動詞也可用單數形式 (當然用復數動詞也是可以的):
  Three weeks was allowed for making the necessary preparations.
  One hundred li was covered in a single night.
  其他問題
  書名, 國家名用單數:
  Tales from Shakespeare is a book by Charles Lamb.
  學科名, 如mathematics, economics用單數.
  many a 或more than one 所修飾的詞作主語時, 謂語動詞多用單數形式:
  Many a person has had that kind of experience.
  More than one person has involved in the case.
  a number of 后接復數, the number of后接單數:
  A number of books have been published on the subject.
  The number of books published on the subject is simply amazing.
  one of those 后用單數. 在“one of + 復數名詞 +關系分句”結構中,關系分句中謂語動詞的單復數形式在一般情況下有兩形式,一是根據先行詞采用復數形式:
  Joan is one of those people who go out of their way to be helpful.
  當one 之前友the only 等限定詞和修飾語時,關系分句謂語動詞根據one 而定,即采用單數形式:
  He is the only one of those boys who is willing to take on another assignment.

  相關推薦:四六級考試七大核心語法逐項解析
       2011年四六級備考之重要的不定式語法

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