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1、动词动词的分类动词的各种形式动词的时态动词的语态非谓语动词第1页/共35页动词的时态第2页/共35页1.一般现在时概念:表示现阶段经常或习惯发生的动作或存在的状态,或说明主语的特征。构成形式:am/is/are或实义动词的原形(主语是第三人称单数时,动词要用第三人称单数形式)。时间状语:always,often,usually,sometimes,once a week,every day等。(1)表示经常性、习惯性的动作;He always helps others.他总是帮助别人。(2)表示现在的情况或状态;He is a teacher.他是个老师。(3)表示客观事实和普遍真理。The
2、sun rises from the east.太阳从东边升起。(4)表示十分确定会发生(如安排好的事情)或按照时间表进行的事情,句子中可以有将来时间。如:The train for Haikou leaves at 8:00 in the morning.(开往汉口的列车上午8点开车)第3页/共35页(5)人的心理活动和感官动作一般用一般现在时而不用现在进行时表达,常见动词有:like,love,hate,dislike,want,wish,hope,think(认为),understand,remember,forget,mean,need,hear,feel,see.I think it
3、 is going to snow.(我想天要下雪了)I really hope you can enjoy your stay here.(我真的希望你愉快地呆在这儿)第4页/共35页2.一般过去时表示过去某时发生的动作或状态,这种动作或状态可能是一次性,也可能经常发生。表示过去具体时刻发生的一次性动作时I got up at 6:00 this morning.Little Tom broke the window at half past nine this morning.When he went into the room,he saw a stranger talking with
4、 his father.表示过去一段时间内不知何时发生的一次性动作时He came to our city in the year 2000.表示过去一个阶段中经常发生的事情时Mr.Jackson usually went to evening schools when he was young.Every day he went to the rich man and borrowed books from him.讲故事、对过去经历的回忆、双方都明白的过去事件等一般用过去时,而且经常省略时间状语。I happened to meet Rose in the street.第5页/共35页第
5、6页/共35页第7页/共35页go,leave,arrive,start等位移词用现在进行时表将来。The train is coming soon.火车一会就来了。当时间状语为now,these days等时或当句子中含有look,listen,can you see,cant you see之类的暗示词时,要使用现在进行时。注意下列这些动词一般不用于现在进行时态的句子中:表示感觉的动词。如:see,hear等。表示喜欢或厌恶的动词。如:like,love等。表示希望的动词。如:want,would like等。表示状态的动词。如:be等。表示归属的动词。如:have等。表示思维、知识或理解
6、能力的动词。如:know,think等。第8页/共35页5.过去进行式过去进行时表示过去某一时刻或某阶段正在进行的动作。结构:“was或were+现在分词”时间状语有:then,at that time,this time yesterday,at(eight)yesterday(morning),(a year)ago,以及由when引出的时间状语从句。He was cooking supper this time yesterday.(昨天这个时候他正在做晚饭)The little girl was playing with her toy when I saw her.(我看到小女孩的时
7、候她正在玩玩具)用于宾语从句或时间状语从句中,表示与主句动作同时进行而且是延续时间较长。句子中通常不用时间状语。She was it happen when she was walking past.(她路过时看到事情的发生)They sang a lot of songs while they were walking in the dark forest.(他们在黑暗的森林里走时唱了很多歌)也可以表示过去一个阶段频繁发生或反复进行的动作,常与always等频度副词连用,以表示赞扬、不满或讨厌等感情色彩。He was always borrowing money from me when h
8、e lived here.(他住在这里时老向我借钱)第9页/共35页(6)现在完成时现在完成时表示一个发生在过去的、对现在仍有影响的动作,或表示开始在过去,并且一直延续到现在,甚至还可能延续下去的动作。结构“have(has)+动词的过去分词”表示发生在过去的对现在仍有影响的动作时,时间状语有:already,yet,just,once,twice,ever,never,three times,before等。I have never seen such fine pictures before.(我以前从来没有看过这么好的画)He has just gone to England.(他刚去英
9、国)表示在过去开始一直延续到现在(可能延续下去)的动作或状态时,时间状语有:for(two years),since 1990,since(two weeks ago)和since引导的状语从句。I have been away from my hometown for thirty years.(我离开家乡有30年了)Uncle Wang has worked in the factory since it opened.(自从这家工厂开张,王叔叔一直在那儿工作)第10页/共35页口语中have got往往表示have(有)的意思。They have got thousands of boo
10、ks in their library.(他们图书馆有上万本书)have been to与have gone to的区别:have gone to(“已经去了”)表示人不在这里,have been to(“去过”)表示人在这里。-Where is Mr Li?He has gone to the UK.(李先生在哪里?他去了英国。)-Do you know something about Beijing?Yes,I have been to Beijing three times.(你知道北京的情况吗?是的,我去过那里三次。)第11页/共35页在完成时中,一个瞬间性动词(一次性动作)不能与表示
11、一段时间的状语连用,此时须将该瞬间动词改为延续性动词或状态动词。瞬间性动词的完成时延续性动词或状态动词的完成时have(already)gone tohavebeen in/at for(two years)hascome tohasbeen heresince(1990)(had)left(had)been away from arrivedbeen indiedbeen deadbegunbeen onendedbeen overbought.hadborrowedkeptjoinedbeen in 第12页/共35页 或者使用下面这个句型:It is/has been +(多久)+sin
12、ce+主语(人)+谓语(过去时)+过去时间状语She has gone to America ten years ago.It has been ten years since she has gone to America.第13页/共35页(7)过去完成时 过去完成时表示过去某一时间或某一动作发生之前已经完成的动作。简言之,过去完成时所表示的时间是“过去的过去”。结构:“had+过去分词”时间状语有:by(yesterday),by then,by the end of(last)或者由when,before等引出状语从句。有时句子中会有already,just,once,ever,nev
13、er等词语,也会有for 或since构成的时间状语。They had already finished cleaning the classroom when their teacher came.(当老师来的时候他们已经打扫完了教室)The woman had left before he realized she was a cheat.(在他发觉那个妇女是个骗子时她已经走掉了)过去完成时常用于宾语从句中、after引导的从句中,或者从句是before,when引导的主句中。After I had put on my shoes and hat,I walked into the dar
14、kness.(我穿上鞋子戴上帽子走进了黑暗之中)He said that he had never seen a kangaroo before.(他说他以前从来没有见过袋鼠)第14页/共35页(8)过去将来时过去将来时表示在过去预计将要发生的动作或存在的状态。结构:“should(第一人称)或would(第一、二、三人称)+动词原形”时间状语有:later,soon,the next(day).在时间状语从句和条件状语从句中不可以使用过去将来时,而应该使用一般过去时。(主将从现)If I had time,I would go to the party.表示纯粹的将来时用would或shou
15、ld,表示打算或主观认为的事情用was/were going to(+动词原形)。She told me she would be 18 the next month.She told me that she was going to have a walk with her pet dog.过去将来时还可以表示一个过去经常性的动作。When it rained in the day,he would bring an umbrella with himWhen he had time,he would sit down and read books.第15页/共35页动词的语态主动语态&被动
16、语态动词和主语的关系决定用主动语态还是用被动语态主动语态:主语是动作的执行者被动语态:主语是动作的承受着Eg:Lu Xun wrote the book.The book was written by Lu Xun.They took her to the hospital.She was taken to the hospital.第16页/共35页被动语态的用法 不知道谁是动作的执行者(即不知道谁做)时用被动语态,省略by短语。A man was killed in the accident.(一个人死于事故)This window was broken yesterday.(这扇窗子是昨
17、天被打破的)不说或者众所周知是谁做时,用被动语态,省略by短语。Rice is also grown in this place.(这个地方也种水稻)A railroad will be built here in three years.(三年之后这里将要修建一条铁路)强调动作的承受者,句尾加by短语引出执行者。It was written by Lu Xun.(它(书)是鲁迅写的)A pet dog is never killed by its owner.(宠物狗是不会被主人宰杀的)其他情况:出于客气或者圆通,避免说出执行者。也用于公告、通知、科技文章等。I am not suppose
18、d disclose the details of the plan.Visitors are requested not to tell anyone about it.第17页/共35页一些特殊结构的被动形式Be+过去分词+不定式He is said to pay less income tax than he should.据说他所得税交得不够。He was considered to be a genius.他被认为是一个天才。He is supposed to be at work at the moment.此刻他应当在工作。It+be+过去分词+从句It is said that
19、 there is plenty of oil off our coast.It was reported that the enemy had surrendered.There+be+过去分词There is said to be plenty of oil off our coast.There is bound to be someone who remembers him.(bound to do 一定做某事)第18页/共35页主动语态变被动语态“动词+间接宾语+直接宾语”改为被动时,可以用间接宾语做被动句的主语。His teacher gave him a dictionary.H
20、e was given a dictionary by his teacher.(老师给他一本字典他得到老师一本字典)也可以用直接宾语做被动句的主语,但是需用to或者for引出原句的间接宾语。His teacher gave him a dictionary.A dictionary was given to him by his teacher.(老师给他一本字典一本字典由老师送给了他)His father made him a kite.A kite was made for him by his father.(他的父亲给他做了一个风筝一个风筝由他的父亲做给了他)“动词+宾语+动词原形”
21、改为被动时,动词原形前要加to.The boss made the poor man work 12 hours a day.The poor man was made to work 12 hours a day.(老板让这个可怜的人一天工作12小时这个可怜人被迫一天工作12小时)第19页/共35页“动词+介词”改为被动时,介词一般在原位不动。The girl takes good care of her little brother.The girls little brother is taken good care of by her.(女孩照顾小弟弟女孩的小弟弟由她照顾着)“be+过
22、去分词”未必表示被动语态,而可能是系表结构。如:He is pleased/worried/tired/.(系表)(他高兴/焦虑/疲劳)He was hit/knocked down/told/shot/.(被动)(他被击中/撞倒/关照/射中)第20页/共35页非谓语动词动词不定式:to do动名词:doing分词:现在分词和过去分词(doing/done)它们在句子中不能单独作谓语。第21页/共35页动词不定式结构:to+动词原形否定形式:not to+动词原形疑问形式:wh-/h-+to+动词原形被动形式:to be+过去分词完成形式:to have+过去分词第22页/共35页动词不定式的
23、用法动词不定式具有名词、形容词和副词的特征,即可以在句子中作主语、宾语、定语、状语、表语和宾语补足语。主语:To talk to him is to talk to the wall.和他说话是对牛弹琴。宾语:动词+不定式一般形式 I would like to have a rest at the moment.相关动词:want/try/decide/would like/hope/love/learn/afford/agree/fail/mean/prefer help(to可以省略)begin/start/hate(也可跟动名词,意义变化不大)forget/remember/like(
24、也可跟动名词,意义变化较大)动词+疑问词+不定式He does not know which one to take.相关动词:tell /show/know /ask/find out/understand /wonder/learn/forget/remember/teach sb./discuss+where/what/how/who/which+动词不定式不定式作宾语而后面又有宾语补足语时,通常用it代替作形式宾语,而不定式则后置。I found it not very easy to learn to ride a bike.(我发现学骑车不很容易)第23页/共35页定语:放在名词或
25、代词后面Do you have anything to declare?在这种情况下,如果不定式动词是不及物动词,则后面必须加介词。They could not find a place to live in.状语:放在不及物动词后面(come,go,stop,finish,wait等词)。He came to see her yesterday.放在完整的谓语之后(即“谓语+宾语”、“谓语+宾语+补语”、“动词+表语”之后)。They went to West Africa to see the wild animals.有时表示目的的不定式短语可以放在句首。To arrive there
26、on time,I got up one hour earlier than usual.(为了按时到达,我们比平时早起了一个小时)(表示早起的目的)表语:说明主语的具体内容或目的。Marys task is to set the table.有时to可以省略:All I did was(to)press the button./what you have to do is(to)fill the questionnaire.第24页/共35页宾补:在句子中用作复合宾语中的宾语补足语Mum asked me to help her with the cooking.(妈妈叫我帮助她做饭)I w
27、ould like you to see my parents.(我想要你见见我的父母)The boss often made the workers work 14 hours a day.(老板常让工人们一天工作14小时)Now let me hear you play the violin.(现在让我来听你拉小提琴)省略to第25页/共35页不定式也保留动词的某些特征,即不定式后面可以跟宾语、表语和状语。动词不定式加上相关成分就构成不定式短语。接宾语:I asked him to tell me his name.接状语:Id prefer to do by bike.接表语:My dr
28、eam is to be a teacher.动词不定式可以放在谓语前句子作主语。但是通常将作主语的动词不定式或不定式短语放在谓语后面,而在主语位置用“it”作形式主语(有时在不定式的前面还会用for sb.表示不定式的逻辑主语)。To help animals is helping people.It is very difficult(for us)to learn Chinese well.It took me half an hour to work out this problem第26页/共35页动名词动词的-ing形式在起名词作用时,称为动名词。动名词有动词的特征,可以跟宾语,可
29、以被状语修饰She is found of collecting stamps.Excuse me for coming late.它可以用一个代词或名词所有格表示逻辑上的主语He doesnt like her(Janes)talking that way.有些动名词也变得接近名词,可有复数形式,前面可加冠词,也可有定语修饰。Dickens often gave readings of his work.Who did the recording?作为一种动词,它也有几种形式:主动形式被动形式一般式doingbeing done完成式having donehaving been done第2
30、7页/共35页它也有名词的特征,在句子中可以作主语、宾语(包括介词宾语)等。Walking in step is not easy.Washing his car seems to be his main hobby.有时也可用先行词it作形式主语,把动名词主语放到后面。Its nice seeing her again.Its been a lot of fun meeting you.动名词作宾语Your car needs repairing badly.My hair needs cutting.remember/forge/stop/finish之后用动名词时,与用不定式含义不同。I
31、 forgot writing a letter to him.They stopped looking back.enjoy/mind/keep/hate等词一般用动名词作宾语,与用不定式意思相近或相同Do you mind my closing the door?She hates travelling by air.第28页/共35页动名词可以作表语,此时特别注意不要与现在进行时混淆。My job is putting these parts together.(我的事情是把这些部件拼起来)I am putting these parts together.(我正在把这些部件拼起来)动名
32、词与现在分词构成相同,但是含义不同,动名词主要表示事情,而现在分词则主要表示进行着的动作。Eating too much is not good for your health.(动名词短语,作主语)Seeing is believing.(动名词短语,分别作主语和表语)He ran after a moving bus and got onto it.(现在分词,作定语)His father saw him sitting on some eggs.(现在分词,作宾补)第29页/共35页分词现在分词:构成各种进行时态和不定式的进行形式They are playing badminton.Il
33、l be leaving tomorrow.He pretended to be studing.作表语(特别是表现情绪状态的词)The result is hardly inspiring.The boy has been missing for three days.Some films are misleading.作定语(有很多现在分词已经成为形容词)He is a most amazing person.Its a rather boring book.What a disgusting smell!后置定语常可以改为定语从句The road joining(which joins)
34、the villages is very narrow.The woman running(who was running)after the thief shouted very loudly,“Stop the thief!”第30页/共35页现在分词作宾补:keep,make,see,hear,watch,hear,have 等Mum kept me working all the week.When I entered the room,I saw Jack eating a big pearIn the dark I felt something very cold moving o
35、n my foot.I saw him being taken away.区别:He saw her coming up the street.He saw two men enter the bar.现在分词作状语:They spending a lot of time watching TV.The boys are busy packing.时间状语:Be careful when crossing the road.Reading my newspaper,I heard the door bell ring.Having finished her work,she went home
36、.(完成形式)原因状语:Being so ill,she cant go back to work yet.表伴随:Following Tom,they started to climb.The teacher came into the classroom,holding a book in his hand.第31页/共35页独立结构:在绝大多数情况下,现在分词都表示句子主语的动作。如She was lying in bed reading.(she was reading.)但有时现在分词前可有一个代词或名词表示它的逻辑主语。It being holiday,all the shops
37、were shut.There being no further business,I declared the meeting closed.We explored the caves,Peter acting as a guide.独立结构修饰整个句子,也可称作句子状语。第32页/共35页过去分词 表示被动或完成构成谓语:和have一起构成完成时态及完成形式。Have you ever been abroad.He is said to have written another TV play.和be一起构成被动语态或被动形式。Smoking is mot permitted.What b
38、eing done?作表语:Be prepared!(表示状态,区别于被动表动作)作定语:The excited children are opening their gifts.(多是表情绪)作状语:Depressed,he went to see his elder brother.作宾补:We preferred the house painted white.第33页/共35页独立成分:分词前有一个逻辑上的主语Everyone helped,John not excepted.Everyone laughed,me included.Everything considered,his plan seems better.第34页/共35页感谢您的观看!第35页/共35页