四级语法讲座2:非谓语动词.ppt
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1、,四级英语语法讲座重点二 非谓语动词,重点二 非谓语动词,非谓语动词既是四级考试的重点也是难点,在每年的考试中都占有相当大的比例。其中最为重要的是分词作状语和独立主格结构。,一、知识点,非谓语动词包括现在分词、过去分词、不定式和动名词。非谓语动词既是四级考试的重点也是难点。因为非谓语动词的用法很复杂,它既含有时态语态的变化、又有否定形式。例如:He seemed to have waited there for a long time.(不定式的完成时态)He seemed to be waiting for someone.(不定式的正在进行时)He seemed to have not k
2、nown the place very well.(不定式的完成时态的否定形式)He seemed to have been told about it.(不定式的被动语态),现在分词,现在分词可以用作状语、定语和表语,表主动的含义。例如:The film is exciting.(表语)The exciting film attracted the children very much.(定语)Having finishing the homework,children went to the playground to play basketball.(状语)The problem bei
3、ng discussed is what they are concerned with.(定语),过去分词,过去分词的用法与现在分词大体相当,可以用作状语、定语和表语,只是表示被动的意义。例如:Children are excited at the film.(表语)The excited children sang and danced to the midnight.(定语)Excited at the news,children went to the playground to play basketball.(状语)This was the problem discussed at
4、 the meeting yesterday.(定语),不定式,不定式有两种形式:带to的不定式和不带to的不定式,不定式有进行体、完成体和被动语态。不定式在句中可以作主语、宾语、补语、定语和状语等。It is of Importance to have good friends.(逻辑主语)To see is to believe.(主语)I expect him to come back soon.(宾语补语)I dont know how to get there.(宾语)We need someone to help us.(定语)To get there earlier,we sta
5、rted at 6 oclock.(状语)The room seemed to have been cleaned.(表语),动名词,动名词具有动词的特征(可有自己的状语、宾语等)和名词的功能(在句中可以作主语、宾语、补语)。I dont liking talking with her.(宾语)Smoking is dangerous for health.(主语)Her hobby is collecting coins.(表语),二、四级考试中的非谓语动词考点,非谓语动词的时态和语态The two buildings being repaired now are the students
6、dormitories.(正在进行时表示动作正在发生,被动语态表示被动)The two buildings repaired during the summer vacations are the students dormitories.(过去分词作定语,表示动作完成)The two buildings to be repaired are the students dormitories.(不定式表示动做未发生,将要发生,非谓语动词的否定形式和物主代词的用法,Not knowing what to do next,he asked me for help.(分词作状语的否定形式)I reg
7、ret not telling her the news earlier.(动名词作宾语的否定形式)I dont mind your being late.(动名词作宾语的物主形式)I persuade him not to stay there too long.(不定式作补语的否定形式),现在分词和过去分词区别,现在分词表示现在和主动的意思;过去分词含有被动和完成的意思。例如;Originally cultivated In India,the banana brought to the Americas by the Portuguese who found it In Africa.句
8、中主语the banana和cultivate的关系应属被动关系,用过去分词Originally cultivated。The lost child was found hiding in the cave.句中hiding in the cave与其主语the child是主动关系,用现在分词。,不定式和动名词的区别,不定式和动名词都可以作宾语,但在英语中不同的动词要求后边的宾语形式不同。有些动词要求动名词所宾语,有些动词要求不定式所宾语,还有些动词既可以用动名词又可以用不定式作宾语,但所表达的意思却不同。所以大家要记住这些特殊的动词。,不定式和动名词的区别,要求不定式作宾语的动词有:exp
9、ect,urge,intend,persuade,prefer,cause,encourage,tell,ask,make,let,要求动名词作宾语的动词有:mind,quit,resent,mention,appreciate,postpone,consider,enjoy,deserve,delay,avoid,escape,deny,resist,admit,fancy,give up,cannot but,need,want,feel like下列动词既可以用动名词又可以用不定式作宾语:remember,forget,regret,mean,like,hate,love,stop,不定
10、式和动名词的区别,remember,forget,regret后接不定式表示动作尚未发生;接动名词表示动作已经发生。like,hate,love 后接不定式表示具体的或一次性的动作;接动名词表示习惯性或抽象性的动作。stop 后接不定式表示停下现在动作去做另一件事;接动名词表示停下现在所进行的动作。mean 后接不定式表示打算去做一件事;接动名词表示意思是什么。,几种特殊的句型,It is no good(use)+doing sth.It is no use arguing with her about the matter.There is no _ doing sth.There is
11、no telling when to start.But+(to)do:介词前动词若是实义动词do,省略to;介词前动词若不是实义动词do,则不能省略to。Our parents required us of nothing but to study hard.He said nothing but to cry.He did nothing but cry.,分词的固定搭配,分词的固定搭配词组:judging from,generally speaking,considering,takinginto consideration,compared to(with),分词作状语,过去分词和现在
12、分词(包括一些形容词)短语皆能作状语,其作用相当于状语从句,只不过是何种状语从句要根据句子的内容而确定。如:Having(=As/Because I had)no money,I borrowed some from John.(表原因)Walking(=When I was walking)along the bank,I met a friend.(表时间)Turning(=If you turn)to the right,you will see the shop.(表条件)注意有时分词状语的前面可以加连词。如:Although defeated(=although he has bee
13、n defeated)many times,he still challenges me.When cursed(=when she was cursed)by the witch,the princess felt very weak.,独立主格结构,独立主格结构是带有逻辑主语的分词短语,有以下形式:主语分词The problem being solved,he went back home.Time permitting,we will go outing this weekend.The report having been read a lively discussion began.
14、With+逻辑主语+分词(形容词、副词或介词短语等)The old man came in with a book under his arm.They went home with the lights on.,分词作状语与独立主格结构,要注意区分分词作状语与独立主格结构,前者的逻辑主语是与句子的主语是一致的,而后者有自己的主语,即分词的前面有名词/代词,否则句子的意义就不通。如:Getting dark,I left in a hurry.这是个错句。正确的形式是在分词前加上它的主语it.再如:Stepping on the platform,the audience gave John
15、a thunderous applause.这个句子的真正意思是想说:当John登上舞台的时候,观众爆发出雷鸣般的掌声。正确的说法应是:Stepping on the platform,John received/was given a thunderous applause.,三、非谓语动词考点例题,时态1.As a public relations officer,he is said _some very influential people.(01/6/34)A)to know B)to be knowing C)to have been knowing D)to have known
16、 2.The ancient Egyptians are supposed _rockets to the moon.(96/6/37)A)to send B)to be sending C)to have sent D)to have been sending,【A】,【C】,语态,1.Sir Denis,who is 78,has made it known that much of his collection _to the nation.(96/6/24)A)has left B)is to leave C)leaves D)is to be left2.If I correct s
17、omeone,I will do it with as much good humor and self-restraint as if I were the one _.(96/6/28)A)to correct B)correcting C)having corrected D)being corrected3.Corn originated in the New World and thus was not known in Europe until Columbus found it _ in Cuba.(00/1/45)A)having cultivated B)being cult
18、ivated C)been cultivated D)cultivating,【D】,【D】,【B】,作状语(不定式,分词),1.Could you find someone _.(94/4/63)A)for me to play tennis with B)for me to play tennis C)play tennis with D)playing tennis with2._a teacher in a university,it is necessary to have at least a masters degree.(95/1/48)A)To become B)Become
19、 C)One become D)On becoming3.This programme will examine the writers books in detail _an introduction to her life.(94/4/70)A)following B)having followed C)being followed D)to be followed 4.The house was very quiet_ as it was on the side of a mountain.(99/6/48)A)isolated B)being isolated C)isolating
20、D)having been isolated,【A】,【A】,【A】,【A】,作宾补(分词),1.In Australia the Asians make their influence _in businesses large and small.(94/4/67)A)feeling B)feel C)felt D)to be felt2.Dont get your schedule _;stay with us in this class.(96/1/42)A)to change B)changing C)changed D)change,【C】,【C】,作后置定语(分词),1.Homew
21、ork _ on time will lead to better grades.(95/1/44)A)doneB)be done C)having done D)to have been done2.As early as 1647 Ohio made a decision that free,tax-supported school must be established in every town _50 household or more.(98/1/36)A)having B)to have C)to have had D)having had,【A】,【A】,作宾语(动名词),1.
22、Ann never dreams of _for her to be sent abroad very soon.(98/6/43)A)there being a chance B)there to be a chance C)there be a chance D)being a chance2.He gives people the impression _all his life broad.(98/6/46)A)of having spent B)to have spent C)of being spent D)to spend,【A】,【A】,特殊动词后接不定式作宾语,1.I wou
23、ld appreciate _ it a secret.(95/6/41)A)your keeping B)you to keep C)that you keep D)that you will keep2.Mark often attempts to escape _ whenever he breaks traffic regulations.(95/6/42)A)having been fined B)to be fined C)to have been fined D)being fined3.If I had remembered _ the window,the thief wou
24、ld not have got in.(96/1/40)A)to close B)closing C)to have closed D)having closed4.The man in the corner confessed to _ a lie to the manager of the company.(97/6/58)A)have told B)be told C)being told D)having told,【A】,【D】,【A】,【D】,四、四级真题非谓语动词,1._the earth to be flat,many feared that Columbus would fa
25、ll of the edge of the earth.(96/6/22)A)Having believed B)BelievingC)Believed D)Being believed B)题意:由于人们认为地球是扁平的,所以人们担心哥伦布会走到在地球的边缘。解析:句中many是动作believe的发出者,主语many和believe的关系应属主动关系,用现在分词。2.The traditional approach _with complex problems is to break them down into smaller,more easily managed problems.(
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