高考英语(课标版)一轮复习ppt课件：专题十-谓语动词

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1、专题十 谓语动词高考英语高考英语知识方法知识方法 清单一清单一 动词的时态和主谓一致动词的时态和主谓一致一、动词的时态一、动词的时态(一)一般体一般体中的一般现在时、一般过去时分别表示现在、过去的经常性、习惯性动作或状态;一般将来时表示将来某一时刻的动作或状态,或将来某一段时间内经常发生的动作或存在的状态;过去将来时表示从过去某一时间看将要发生的动作。所谓一般体,表示既不“进行”,又不“完成”。We have meals three times a day.我们一日吃三餐。(现在的习惯)知识方法知识方法He is always ready to help others.他总是乐于助人。(现在的

2、状态)When I was a boy,I often went to play in that park.我小时候常去那个公园玩。(过去的习惯)1.一般现在时(1)一般现在时的构成1)一般现在时主要用动词的原形表示,如果主语为第三人称单数,则一般在动词原形后加-s或-es,其变化规则如下表所示:2)be的变化:am,is,are。3)have的变化:has,have。(2)一般现在时的用法一般现在时除了可以表示现在的经常性、习惯性动作或状态外,还有以下两种用法:1)一般现在时表示客观真理、科学事实及自然现象。此用法即使出现在过去语境中,也用一般现在时。The sun rises in the

3、 east.太阳从东方升起。2)用于here,there开头的倒装句中,一般现在时表示现在正在发生的动作或存在的状态。There goes the bell.铃响了。Here comes the bus.公共汽车来了。2.一般过去时(1)一般过去时的构成1)一般过去时用动词的过去式表示,其规则动词变化方法如下表所示:2)was用于第一、三人称单数,were用于其他人称。3)注意以元音字母加y结尾的动词,一般直接加-ed。如:playplayed。(2)一般过去时的用法一般过去时除了可以表示过去经常性、习惯性的动作或状态外,还有下列用法:1)want,hope,think,intend等动词的一

4、般过去时往往表示“过去原”之意。I thought he was an honest man.我原以为他是个老实人。He didnt intend to hurt you.他没打算伤害你。2)wonder的一般过去时有时也可表示现在的行为,但口气要比用一般现在时更加委婉、客气。I wondered if you could do me a favour.我不知道你能否帮我一个忙。3)used to+动词原形,表示过去的习惯性动作而现在已经不再发生了。We used to spend our vacation in the mountains.我们以前常常在山里度假。(暗示现在不再在山里度假了)

5、3.一般将来时(1)一般将来时的构成1)shall+动词原形(第一人称)2)will+动词原形(各种人称)(2)一般将来时的用法一般将来时除了可以表示将来的动作或状态外,还有下列用法:1)will+动词原形will可用来表示事物的固有属性或必然趋势。Fish will die without water.离开水,鱼就会死。will表示将来,有时含偶然性、临时性决定的意思。Do you know Mr.Smith has come to our town?No.I will go and visit him right now.你知道史密斯先生来我们镇了吗?不知道。我现在就去看他。2)be go

6、ing to+动词原形“be going to+动词原形”多用在口语中,表示“计划、打算要做某事”,此外,be going to还可表示根据现在的迹象对未来进行推断。He is going to speak on TV this evening.他今晚要在电视上讲话。Look at the dark clouds.It is going to rain.看这些乌云,要下雨了。注意:was going to还可表示“过去本打算做某事,但未做”的意思。Tom,you didnt come to the party last night?I was going to,but I suddenly r

7、emembered I had homework to do.汤姆,你昨天晚上没来参加聚会吗?我本打算要来的,但是我突然记起来我有作业要做。3)be about to+动词原形/be on the point of+动名词“be about to+动词原形”及“be on the point of+动名词”表示“立即的将来(immediate future)”,因此,这两种结构不与表示将来的具体时间状语连用,但可以和并列连词when(=and at that time)引出的分句连用。The train is about to start.火车就要开了。The plane is on the

8、point of taking off.飞机马上就要起飞了。4)有些动词如come,go,arrive,leave,begin,start等,其现在进行时表示按计划、安排近期将要发生的动作。Im leaving for Beijing next month.下个月我要去北京。5)某些动词的一般现在时可以表示计划、安排将要做的事情,这种用法常常用于介绍火车时刻表、飞机时刻表、作息安排表等内容。We must hurry up.The first class begins at 8 oclock.我们必须快点。第一节课将在8点开始。6)be to+动词原形表示“按计划或安排要做的事”。When a

9、re you to leave for home?你什么时候回家?She is to get married next month.她将于下个月结婚。The Queen is to visit Japan in a weeks time.女王将于一周后访问日本。这种结构也可用于过去时。was/were to do sth.表示曾经计划要做的事,但不表明计划是否被执行,或表示命运(即命中注定要发生的事);was/were to have done sth.表示未曾实现的计划。I felt nervous because I was soon to leave home for the first

10、 time.我感到紧张,因为我很快就要首次离开家了。They said goodbye,little knowing that they were never to meet again.他们告了别,一点也没想到以后再也不会见面了。We were to have told you,but you were not in.我们本来想告诉你的,但是你不在家。表示“应该”,相当于should,ought to。You are to report it to the police.你应该报警。What is to be done?应该怎么办呢?表示“想,打算”,相当于intend,want。If we

11、 are to be there before ten,well have to go now.如果我们要在10点前到那儿,我们现在就得走。4.过去将来时(1)过去将来时的构成should/would+动词原形(2)过去将来时的用法过去将来时表示从过去某一时间看将要发生的事情。He said he would be here at eight oclock.他说他将在八点钟到这里。(二)进行体1.进行体的构成(1)考纲对进行体所要求掌握的时态包括:现在进行时、过去进行时、将来进行时,它们的形式分别为:现在进行时:am/is/are+现在分词过去进行时:was/were+现在分词将来进行时:wi

12、ll/shall+be+现在分词(2)现在分词的构成形式:2.进行体的用法(1)进行体表示某一时刻或阶段内正在进行的动作或存在的状态,具有暂时性和未完性的特点。I dont really work here;I am just helping out until the new secretary ar-rives.我并不在这里上班,我只是来帮忙,直到新秘书来了(我就走)。(暂时性)I am reading the book.I will finish it in a week.我正读那本书。一周后我就会读完了。(未完性)(2)表示某阶段正在进行的动作或发生的事,虽然说话时动作不一定正在进行,

13、常与these days,this week等时间状语连用。We are making model planes these days.这些天我们在做飞机模型。(此时此刻不一定在做)(3)表示反复出现的或习惯性的动作,往往含有赞赏、厌恶、遗憾等情绪,常与always,continually,constantly,forever,all the time等连用。He is always thinking of others first.他总是先想到他人。He is always making the same mistake.他总是犯同样的错误。(4)有些动词的进行体可以表示将来。(见“一般将来

14、时的用法”部分)(5)有些动词不用于进行时态,常见的有:1)感觉类:look,smell,feel,sound,taste,see,hear等。The soup tastes good.(不可说:The soup is tasting good.)这汤尝起来不错。Your hands feel cold.(不可说:Your hands are feeling cold.)你的手摸起来很凉。2)情感类:like,love,prefer,admire,hate,fear,adore等。I love my dad and mum.(不可说:I am loving my dad and mum.)我爱

15、爸爸妈妈。3)心态类:wish,hope,want,need,believe,understand,agree,know,remember,forget等。I dont believe my eyes.(不可说:I am not believing my eyes.)我不相信我的眼睛。4)存在状态类:appear,lie(位于),remain,belong,have等。Those books belong to Mr.Li.(不可说:Those books are belonging to Mr.Li.)那些书是李先生的。(三)完成体1.完成体的构成(1)考纲对完成体所要求掌握的时态包括:现在

16、完成时、过去完成时、将来完成时。其形式分别为:现在完成时:have/has+过去分词过去完成时:had+过去分词将来完成时:will/shall have done(2)规则动词的过去分词的构成方法同过去式的构成方法,详见一般过去时部分“规则动词变化方法”。(3)不规则动词的过去式和过去分词构成详见“附录二”。2.完成体的用法(1)现在完成时1)表示一个动作开始于过去,持续到现在(也许还将持续下去)。表示从过去延续到现在并包括现在在内的一段时间的状语有:lately,recently,in the last/past few days/years(在过去的几天/年里),since then,u

17、p to now,so far(至今)等。In the past few years,great changes have taken place in my hometown.在过去的几年里,我的家乡发生了巨大变化。He has written 8 books so far.到目前为止,他已经写了8本书了。2)表示发生在过去的事情对现在产生的影响,注意这时说话者说话的重心在过去的事情对现在产生的影响上。常用的状语有:already,just(刚刚),yet,before 等。He has turned off the light.(=The light is off now.)他已经关掉灯了

18、。The concert has started.(=The concert is on now.)音乐会已经开始了。I have already seen the film.(=I know the film now.)我已经看过那部电影了。3)在“最高级+名词”或“It/This is+the first/second.time”之后的定语从句中,谓语动词用现在完成时。This is the first time(that)I have come here.这是我第一次来这里。This is the best tea(that)I have ever drunk.这是我喝过的最好的茶了。4

19、)瞬间动词又叫非延续性动词、终止性动词。瞬间动词可以用于完成时态,但不可以接表示一段时间的状语;若要接表示一段时间的状语,需要做一些相应的变换。瞬间动词的否定式可以接表示一段时间的状语。()He has come to Beijing since last year.()He has lived in Beijing since last year.()He has joined the army for 3 years.()He has served in the army for 3 years.()He joined the army 3 years ago.()He has been

20、a soldier for 3 years.()It is 3 years since he joined the army.()He has joined the army.常见的瞬间动词(词组)有:come,go,get to/reach/arrive at/in,leave,buy,sell,open,close,get up,join/take part in,begin/start,return/give,borrow/lend,be-come/turn,bring/take,die,finish/end,receive/hear from,marry,break,lose,jump

21、 等。部分非延续性动词(短语)和延续性动词(短语)的转换:买buyhave借borrowkeep结婚get marriedbe married认识get to knowknow离开leavebe away回来come backbe back生病fall illbe ill死亡diebe dead关闭turn offbe off打开turn onbe on动身leave forbe off to变成becomebe返回returnbe back开始beginbe on睡觉go to bedsleep穿put onhave on/wear来/去come/gobe in/away参加joinbe a

22、 member of感冒take/get/catch a coldhave a cold入睡go to sleepbe asleep到达get to/arrive in(at)/reachbe in(2)过去完成时1)一件事情发生在过去,而另外一件事情先于它发生(即表“过去的过去”),那么发生在前的动词要用过去完成时。She had learned some English before she came to the institute.她在来这个机构前已学过一些英语了。He said that he had been abroad for 3 years.他说他在国外待了3年了。2)表示从

23、过去某一时间开始,一直延续到过去的另一时间的动作,常用的时间状语有:by/until/before/by the end of+“表过去的某一时间”。By then he had learned English for 3 years.到那时,他已学了3年英语了。Until then he had known nothing about it yet.到那时为止,他对此仍一无所知。3)表示愿望、打算的词,如:hope,expect,mean,intend,want,suppose 等,其过去完成时表示过去未曾实现的愿望或意图。I had hoped to see more of Shangha

24、i.我本希望在上海多看看。(但未能如愿)I had meant to help you,but I was too busy at that moment.我本打算帮你的,但当时我太忙了。I had thought you would come the next day.我原以为你第二天会来。4)用于某些固定句型中:Hardly/Scarcely/Barely.when.和No sooner.than.句型中,when和than 从句里用一般过去时,主句用过去完成时,且用倒装,表示“刚刚就”。Hardly/No sooner had I got home when/than the rain

25、poured down.我刚到家,雨就倾盆而下。Hardly had we started when the car got a flat tyre.我们才刚刚出发,汽车的一个轮胎就瘪了。It was/had been+一段时间+since 从句。since 从句的谓语用过去完成时。It was ten years since we had had such a wonderful time.我们有10年没那么高兴过了。That/It/This was the first/second.time+that 从句。that 从句的谓语要用过去完成时。It was the third time(t

26、hat)he had made the same mistake.那是他第三次犯同样的错误了。That was the first time that I had passed the exam.那是我第一次考试及格。(3)将来完成时将来完成时表示到将来某一时间某一动作将会完成,常用的时间状语为“by+将来的某个时间”。By this time of next year,all of you will have become college students.到明年的这个时候,你们大家就都成为大学生了。(四)完成进行体1.考纲对完成进行体所要求掌握的时态为现在完成进行时,其形式为:have/h

27、as+been+doing。2.现在完成进行时是现在完成时和现在进行时的组合,因此,它既具备现在完成时的特征,又具备现在进行时的特征,如:它具备进行体的“未完性、暂时性、感情色彩”的特点。He has been learning English for 6 years.他学英语已经6年了。(从过去某一时间开始学英语,)It has been raining for 3 days.已经下了三天雨了。(强调说话者“抱怨”的感情色彩)强调到现在还在学(五)动词时态的呼应1.主将从现所谓“主将从现”,即主句表将来(不一定为一般将来时,祈使句、“情态动词+动词原形”也可表将来),从句(包括时间、条件、让

28、步状语从句)用现在时(不一定是一般现在时,现在进行时、现在完成时也可在这类从句中表示将来)。Whatever you say,I will not change my mind.无论你说什么,我都不会改变主意。If she is still waiting,tell her to go home.如果她还在等,就让她回家。I will go with you as soon as I have finished my work.我干完了工作就和你一起去。2.含宾语从句的句子的时态一致问题宾语从句中的动词时态常受主句谓语时态的制约,如果主句谓语为现在时或将来时,宾语从句中的谓语可以不受影响。He

29、 says his father is/was/will be a teacher.他说他父亲现在是/过去是/将会成为老师。如果主句的谓语动词是过去时,宾语从句的谓语动词一般需用过去的某种时态,即一般过去时、过去进行时、过去完成时、过去完成进行时、过去将来时、过去将来进行时等。I was sure he was in bed.我确信他在床上睡觉。(be in bed与was sure同时发生)He thought he was working for the people.他认为他正在为人民工作。(表示thought发生时work正在进行)I wondered if she had got w

30、ell.我想知道她是否痊愈了。(get well先于wondered发生)He wanted to know what she had been doing.他想知道她一直在做什么。(do从过去发生,直至wanted且在wanted时还在进行)I hoped Id find a job soon.我希望我不久就会找到工作。(find在hoped之后发生)I thought shed be going by bus.我以为她会乘公交车去。(go by bus在thought之后发生)注意:(1)当主句为过去时,宾语从句有明确的表过去的时间状语时,可不必用过去完成时而用一般过去时。I knew h

31、e was born in 1991.我知道他生于1991年。(2)当宾语从句表达永恒的真理时,谓语动词不必变为过去时,而继续采用一般现在时态。This proved that the earth is round.这证明地球是圆的。The teacher told us that the Yangtze River originates in Qinghai.老师告诉我们长江发源于青海。3.含虚拟语气的句子中的时态一致问题(1)在“would(should/ought to/could/might/neednt/would like to等)have done sth.,but.”句型中,b

32、ut后面的谓语动词需用一般过去时或过去进行时。He should have turned up but he had an unexpected visitor.他本应该到场,但他那里来了一个不速之客。(2)在“But for the fact that从句”中,that从句的谓语动词时态要根据后面句子谓语动词所表示的时间而定。But for the fact that he is busy now,he would be here.要不是他现在很忙,他就在这里了。But for the fact that you were ill,I would have had you print the

33、 papers.要不是你生病了,我就让你去打印这些文件了。(3)It is time+that从句,that从句中谓语动词需用一般过去时或“should+动词原形”。It is time that we went to bed.我们该睡觉了。(六)易混时态的区别1.一般过去时和现在完成时的用法区别一般过去时所表示的一个或一段过去时间是可以具体确定的,与其他时间没有牵连,它所表示的事情纯属过去;现在完成时说的是现在的情况。比较下面几组句子,体会两种时态的不同:2.一般过去时和过去完成时的用法区别(1)一般过去时是指过去的动作或情况,而过去完成时指过去的一个动作或时间之前发生的事。He had l

34、earned 3,000 English words before he came to this school.他来这个学校之前就已经学了3,000个英语单词了。(2)过去完成时的时间状语常用by或before 引导的短语或句子表示,如by that time,by the end of,before 2010,by the time+句子(一般过去时)等。He had finished writing the book by the end of last month.到上个月月底为止,他已经写完这本书了。3.过去完成时与现在完成时的用法区别两种时态都常与表示一段时间的状语连用,但现在完成

35、时表示的是延续到现在或同现在有关的动作(句中不可有表示过去特定时间的状语),而过去完成时表示的是在过去某时之前已经完成或延续到过去某时的动作(句中可有表示过去特定时间的状语)。比较下面的说法:题组训练用所给动词的正确时态填空Jane cant attend the meeting at 3 oclock this afternoon because she will be teaching (teach)a class at that time.The reports went missing in 2012 and nobodyhas seen (see)them since.Hi,lets

36、 go skating.Sorry,Im busy right now.Iam filling (fill)in an application form for a new job.Im calling about the apartment you advertised (advertise)the other day.Could you tell me more about it?During the last three decades,the number of people participating in phys-ical fitness programs has increas

37、ed (increase)sharply.Writing out all the invitations by hand was more time-consuming than wehad expected (expect).They made up their mind that theywould buy (buy)a new house once Larry changed jobs.Sofia looked around at all the faces:she had the impression that she had seen (see)most of the guests

38、before.Close the door of fear behind you,and you will see (see)the door of faith open before you.The manager is said to have arrived back from Paris where he had met (meet)some European business partners.二、主谓一致二、主谓一致主谓一致即在句子中谓语动词的数必须和主语的数保持一致。一般可根据三个原则来确定:语法一致原则(主语的单复数决定谓语动词的单复数)、意义一致原则(形单意复的名词或形复意单

39、的名词,要根据其意义来决定谓语动词的单复数)、就近一致原则(谓语动词的单复数取决于离它最近的主语)。(一)语法一致1.主语是单数,谓语动词用单数;主语是复数,谓语动词用复数。The results of the research are to be published soon.研究结果不久将被发表。His suggestion has been accepted.他的建议被接受了。2.复合不定代词anyone,somebody,everything,nothing,each 等作主语,谓语动词用单数。If anyone sees Lisa,ask her to call me.如果有人看到莉

40、萨,让她给我打个电话。3.“we,you,they或名词复数+each”作主语时,谓语动词用复数形式。“each of+us,you,them或名词复数”作主语时,谓语动词用单数形式。Each of the students has an apple.这些学生每人有一个苹果。(不定代词each作主语)The students each have an apple.这些学生每人有一个苹果。(the stu-dents作主语,each作同位语)4.all 作主语:若指人,谓语用复数;若指事物或现象,谓语通常用单数。All are equal before the law.法律面前,人人平等。All

41、 is well that ends well.结局好就一切都好。注:若all修饰其他名词或接“of+名词”,则谓语动词与其中名词的数保持一致。All(of)the money is mine.所有这些钱都是我的。All(of)his friends are poor.他所有的朋友都很穷。5.不定式或动名词作主语时,谓语动词通常用单数。Having to change trains is a small inconvenience.换乘火车多少有些不便。To say you were ignorant of the rules is no excuse.说自己不知道规则是不能成为借口的。6.“

42、many a+单数名词”作主语,谓语动词用单数。Many a page in this book is missing.这本书缺了许多页。(二)意义一致1.形式为单数但意义为复数的police,cattle等作主语时,谓语动词用复数。The police have not made any arrests.警方未逮捕任何人。2.表示一类人的the poor/rich/dead/injured/wounded等作主语时,谓语动词用复数。The rich are to help the poor.富人应该帮助穷人。3.表示某国人的总称的the Chinese,the British,the Iri

43、sh等作主语时,谓语动词用复数。The Chinese are hard-working.中国人民是勤劳的。4.以-s结尾但意义为单数的news,maths,physics,politics等作主语时,谓语动词用单数。The news is exciting.这则消息激动人心。5.单复数同形的名词sheep,deer,means等作主语时,谓语动词的单复数与实际意义一致。Three sheep are eating grass there.三只羊正在那里吃草。A sheep is lying there.一只羊正躺在那里。Not every means is useful.不是每种方法都好使。

44、6.集体名词family,class,crew,team,group,audience,crowd,government,committee等作主语时,谓语动词的单复数形式要根据主语所指的意义而定。当把集体名词作为一个整体看待时,谓语动词常用单数形式;如果指其中各个成员时,谓语动词常用复数形式。The class consists of twenty-five boys and twenty girls.这个班由25个男生和20个女生组成。The class are doing experiments.全班学生正在做实验。(三)就近一致or,either.or.,neither.nor.,no

45、t only.but also.,not.but.在句子中连接并列主语的时候或者在there be句型中,谓语动词要和离它最近的主语保持一致。Not his parents but he doesnt want to go.不是他的父母不想去而是他不想去。Neither you nor I am wrong.你和我都没错。Does neither he nor his classmates know the secret?他和他的同学都不知道这个秘密吗?Not only the students but also the teacher wishes for a holiday.不仅是学生,老

46、师也盼望假期。There is a cup of tea and some apples on the table.桌上有一杯茶和一些苹果。(四)主谓一致的几个难点1.并列主语的主谓一致(1)两个单数名词或不可数名词用and连接,表示两个不同的概念时,谓语动词用复数。Steam and ice are different forms of water.蒸汽和冰是水的不同形式。(2)两个单数名词用and连接,表示同一人、同一物或同一个概念,或表示不可分的整体时,谓语动词仍用单数。Trial and error is the source of our knowledge.反复尝试是我们获得知识的

47、源泉。(3)被every,each,many a,no等限定的名词由and连接作主语时,谓语动词仍用单数。Each boy and each girl has an apple.每个男孩和每个女孩都有一个苹果。Many a teacher and many a student has seen the film.许多老师和学生都看过这部电影。(4)一个单数名词或不可数名词被几个用and连接的并列形容词修饰时,可以指一件事或几件事,这种名词作主语时,要根据意义一致的原则决定谓语动词的单复数形式。English and American literature are appealing to he

48、r.英国文学和美国文学都对她有吸引力。Simple and plain living is a fine quality.简朴生活是一种优良的品质。(5)“名词或代词+with,along with,together with,as well as,rather than,as much as,but,except或not等+名词或代词”作主语时,谓语动词应该和第一个名词或代词保持一致。Tom as well as two of his friends was invited to the party.汤姆以及他的两个朋友一起被邀请参加聚会了。Dr.Smith,together with hi

49、s wife,is to arrive on the evening flight.史密斯博士及其夫人将乘晚班飞机抵达。Nobody but one teacher and three students was in the laboratory.只有一个老师和三个学生在实验室里。题组训练用所给动词的适当形式填空Many a good man has (have)been destroyed by drink.The writer and translator is (be)delivering a speech in our school now.Mary,along with her si

50、sters,attends (attend)the conference regular-ly.Are (be)not only the students but also their teacher required to at-tend the meeting?2.由两部分构成的表示物体的名词,如trousers,pants,jeans,glasses,shoes等作主语时,谓语动词常用复数形式。但如果这类名词前用了a pair of/two(three).pairs of来修饰,谓语动词的单复数往往取决于pair的单复数形式。These trousers need cleaning.这些

51、裤子需要洗了。This pair of trousers is mine.这条裤子是我的。3.数词与量词作主语时的主谓一致(1)表示时间、重量、距离、价格、体积等名词的复数作主语时,通常作为整体看待,后接单数谓语动词。Twenty years is a long time in ones life.二十年在人的一生中是很长的一段时间。Forty miles was covered in a single night.一夜走了40英里。20,000 dollars is not a small sum of money.两万美元不是一笔小数目。(2)“分数/百分数/half/the rest/m

52、ost of+名词”作主语时,其谓语动词应与of后的名词保持一致。试比较:About one third of the books are worth reading.这些书中大约有三分之一值得一读。Half of the wheat crop was ruined by the flood.一半的麦类作物遭到洪水的毁坏。The rest of the students are going to play tennis.其余的学生要去打网球。但:Two thirds of the population in China are farmers.中国三分之二的人口是农民。(本句中populati

53、on相当于people)(3)由“kind(form,type,sort,species,portion,series)of”等修饰的主语,其谓语形式取决于这些词的单复数而不是它们后面所跟的名词。This new type of buses is now on show.现在正展出一种新型的公共汽车。All kinds of difficulties have to be overcome.必须克服各种各样的困难。Some new forms of art were discussed at the meeting.会上讨论了一些新的艺术形式。A substantial portion of

54、the reports is missing.那些报告里有相当一部分不见了。A series of debates between the lecturers is scheduled for the next week-end.讲演者之间一系列的辩论安排在下周末举行。(4)“a number of”(许多),“a variety of”(各种各样的)和“a group of”(一群,一组)修饰名词作主语,谓语要用复数形式。但是“the number of”(的数目)和“the variety of”(的种类)修饰名词作主语,谓语用单数形式。试比较:A number of students a

55、re from the south.不少学生来自南方。The number of students from the north is small.来自北方的学生人数很少。A variety of toys are on sale in that shop.那个商店出售各种各样的玩具。The variety of goods on sale in that shop is surprising.那个商店出售的货物的品种多得惊人。(5)如果主语由“more than one+名词”构成,尽管从意义上看是复数,但谓语动词用单数。More than one student has failed th

56、e exam.不止一个学生考试不及格。(6)a quantity of后接复数名词或不可数名词,谓语用单数形式;quantities of后接复数名词或不可数名词,后面的谓语都用复数形式。There is a large quantity of milk in the bottle.瓶子里有很多牛奶。A large quantity of books is on sale now.大量图书现在正在热销。Great quantities of fish were caught that day.那天抓了很多鱼。With more and more forests being destroyed,

57、huge quantities of good earth are being washed away each year.由于越来越多的森林被毁,每年有大量的沃土被冲走。题组训练用所给动词的适当形式填空Ten years is (be)a moment in history.A third of his composition has (have)been corrected.A third of his compositions have (have)been corrected.4.定语从句、强调句型中的主谓一致(1)定语从句的谓语动词在人称和数方面应该与其先行词保持一致。I am no

58、t the one who is afraid of difficulty.我不是害怕困难的人。Dont choose me,who am not fit for this job.别选择我,我不适合这个工作。This is one of the novels that have ever been written by Mo Yan.这是莫言所写的小说之一。She is the only one of the girls who sings well in class.她是在班里女生中唯一一个歌唱得很好的女生。(2)在强调句型“It is/was+被强调部分+that/who+其他成分”中,

59、当被强调部分是句子主语时,“其他成分”中的谓语动词应和被强调的主语保持一致。It is I who am a teacher.我才是老师。It is the boys who are responsible for the accident.是这些男孩儿应为这次事故负责。清单二动词的语态清单二动词的语态一、被动语态一、被动语态1.被动语态的构成英语中的及物动词一般都有主动语态和被动语态两种形式。主动语态是无标记的,而被动语态则是有标记的。被动语态由“助动词be+过去分词”构成。助动词be随着主语的人称、数和句子的时态、语气的不同而变化。几种常见时态的被动语态形式见下表:2.被动语态的用法(1)

60、不知道谁是动作的执行者,或没有必要指明谁是动作的执行者。The window is dirty.I know.It hasnt been cleaned for weeks.窗户脏了。我知道。好几周没擦了。(2)需要强调或突出动作的承受者或事件本身。All the employees except the manager are encouraged to work online at home.除了经理以外,所有的雇员都被鼓励在家网上办公。(3)在文章标题、广告、新闻中。Girls Wanted!招女工!Five-Year-Old Boy Kidnapped!五岁男童遭到绑架!(4)当动作的

61、执行者不是人时。The number of deaths from heart disease will be reduced greatly if people are persuaded to eat more fruit and vegetables.如果人们被说服了吃更多的水果和蔬菜,那么死于心脏病的人数将大大减少。3.注意动词短语的被动语态和含有情态动词的被动语态。That old man was often laughed at.那位老人常被人嘲笑。The plan will be given up.这项计划就要被放弃了。Bad habits have been done away

62、 with.坏习惯已经改掉了。(注意:在被动结构中,切不可丢掉后面的介词或副词)He must be prevented from going.必须阻止他去。The plan ought to be put into practice as soon as possible.这项计划应该尽早执行。(谓语结构是:情态动词+be+过去分词)4.“get+过去分词”可以表示被动,此结构比较口语化。The patient got treated once a week.那位病人一周接受一次治疗。He fell off the car and got killed.他从汽车上掉下来,摔死了。二、主动形式

63、表被动意义二、主动形式表被动意义1.“系动词look,sound,feel,smell,taste,appear,seem,go,turn,stay,become,get,grow,keep等+形容词/名词”构成系表结构。The steel feels cold.钢摸起来很凉。It has gone bad.它已经变质了。2.表示开始、结束、运动的动词,如begin,finish,start,open,close,stop,end,shut,run,move 等。Work began at 7 oclock this morning.今天早上7点钟开始工作的。The shop closes a

64、t 6 p.m.every day.这个商店每天下午6点关门。3.表示主语的某种属性特征的动词,如read,write,act,iron,cut,draw,drive,sell,wash,clean,wear,cook,lock,dry,eat,drink等。这类动词一般不单独使用,常有一个修饰语。This coat dries easily.这件外套容易干。Nylon cleans easily.尼龙容易洗干净。Your article reads very well.你的文章读起来很不错。This material has worn thin.这个材料已经磨薄了。The match won

65、t catch.这根火柴擦不着。The plan worked out wonderfully.这项计划进展得很好。4.少数动词用于进行时,其主动形式表示被动含义,如print,cook,sell等。The meat is cooking.肉正在炖着。5.“介词in,on,under 等+名词”构成介词短语表被动意义。表示方位或目的的介词与含动作意义的名词合用,表被动意义,其意义相当于该名词相应动词的被动形式,名词前一般不用冠词。常见的有:under control 受控制under treatment 在治疗中under repair 在修理中under discussion 在讨论中und

66、er construction 在施工中beyond belief 令人难以置信beyond ones reach 够不着beyond ones control 无法控制for sale 待售for rent 出租in print 已出版in sight 在视野范围内on sale 出售on show 展出on trial 受审out of control 控制不了out of sight 在视野范围外out of ones reach 够不着out of fashion 不流行The rumor is beyond belief(=cant be believed).那个谣言令人难以置信。Today some treasures are on show(=are being shown)in the museum.今天一些珍宝正在博物馆展出。6.不能用于被动语态的及物动词或动词短语:have(有),wish(希望),cost(花费),date back to(追溯到),agree with(同意),arrive at/in(到达),shake hands with(握手),succe